87_meters for Distribution Transformer Energy

8/13/2019 87_meters for Distribution Transformer Energy

1/38

STANDARD TECHNICAL SPECIFICATION OF 3 PHASE 4 WIRE CT OPERATED FULLY STATIC AMRCOMPATIBLE TRI-VECTOR ENERGY METERS FOR DISTRIBUTION TRANSFORMER ENERGY

1.0 SCOPE:

This specification covers design, manufacturing, testing, supply and

delivery of LT AC, 3 Phase, 4 Wire, CT operated fully Static and AMR

compatible Tri-Vector Energy Meters for measurement of different

electrical parameters listed elsewhere in the document including Active

Energy (KWH), Reactive Energy (KVARH), Apparent Energy (KVAH) etc.The detail scope is given below.

2.0 APPLICATION:For use on Distribution Transformer Centers for Energy Accounting andAudit purposes.

3.0 STANDARDS TO WHICH METERS SHALL COMPLY:

Data Exchange for Electricity Meter Reading, Tariff and Load Control Companion Specification enclosed with this document as annexure.

IS: 14697 /1999 (reaffirmed 2004) Specification & CBIP Tech-Report-88amended up to date for AC Static Transformer operated Watt Hour & VAR-

Hour meters (class 0.5S);

IS-15707 / 2006: Specification for Testing, evaluation, installation &maintenance of AC Electricity Meters-Code of Practice

The equipment meeting with the requirements of other authoritative

standards, which ensure equal or better quality than the standard

mentioned above, also shall be considered; in case of conflict related

with communication protocol, the Data Exchange for Electricity Meter

Reading, Tariff and Load Control Companion Specification enclosed

with this document as annexure shall prevail upon. For conflict related

with other parts of the specification, the order of priority shall be i) This

technical specification ii) IS: 14697 /1999 (reaffirmed 2004).

The document Data Exchange for Electricity Meter Reading, Tariff and

Load Control Companion Specification covers the minimum

requirements for building the intelligent meter data collection system

based on the DLMS/COSEM protocol which is adopted as a standard by

IEC 620564.0 WORKING ENVIRONMENT :

As per IS: 14697-1999 (reaffirmed 2004), the meter to perform satisfactorilyunder Non-Air Conditioned environment (within stipulations of IS)

Meter body shall conform to IP - 51 degree of protection.

The meter shall be suitably designed for satisfactory operation under thehot and hazardous tropical climate conditions and shall be dust and vermin

proof. All the parts and surface, which are subject to corrosion, shall either

be made of such material or shall be provided with such protective finish,

which provided suitable protection to them from any injurious effect of

excessive humidity.

The meters to be supplied against this specification shall be suitable forsatisfactory continuous operation under the following tropical conditions.

Category A DTC EA Meter Specs. Page 1 of 29


2/38


Environmental Conditionsa) Maximum ambient temperature 550Cb) Maximum ambient temperature in shade 450Cc) Minimum temperature of air in shade 350Cd) Maximum daily average temperature 400Ce) Maximum yearly weighted average temperature 320Cf) Relative Humidity 10 to 95%g) Maximum Annual rainfall 1450 mmh) Maximum wind pressure 150 kg/m2i) Maximum altitude above mean sea level 1000 metersj) Isoceraunic level 50 days/yeark) Seismic level (Horizontal acceleration) 0.3gl) Climate: - Moderately hot and humid tropical climate conducive to rust

and fungus growth.5.0 GENERAL TECHNICAL REQUIREMENTS:

AMR Compatible LT AC Static, 3 Ph, 4 Wire 1 TYPE Static Tri - Vector Energy Meter for use at

Distribution Transformer Centers for EnergyAccounting and Audit purposes.

2 FREQUENCY 50 Hz 5%3 ACCURACY 0.5S

CLASS4 RATED Suitable for operation for 415 V Ph-Ph or 240

VOLTAGE V Ph-N.5 BASIC 5 Amps

CURRENT (Ib)MAXIMUM

The maximum continuous current Imaxof the6 NTINUOUS

meter shall be 2 times (200 %) of Ib.CURRENT (Imax)

7 SHORT TIME As per IS: 14697/ 1999.CURRENT

8 STARTING The Starting current shall be 0.1% of Ib.Category A DTC EA Meter Specs. Page 2 of 29


3/38


CURRENTThe active and apparent power consumption,in each voltage circuit, at reference voltage,reference temperature and reference frequency

9 POWER shall not exceed 1.5 W and 8 VA.CONSUMPTION The apparent power taken by each current

circuit, at basic current Ib, reference frequencyand reference temperature shall not exceed 1VA.

10 POWER 0.0 Lag Unity - 0.0 LeadFACTOR

Meter shall be designed with applicationspecific integrated circuit (ASIC) or microcontroller; shall have no moving part;

11 DESIGN electronic components shall be assembled onprinted circuit board using surface mountingtechnology; factory calibration using highaccuracy (0.05 class) software based testbench.

12 POWER SUPPLY SMPS13 ISI MARK

The meters so supplied shall bear ISI Markbefore commencement of supply.

14 CURRENT - / 5 Amps or 100 / 5 Amps or 50 / 5 AmpsRATIO as per requirement

15 VOLTAGE The voltage range shall be +15% to 30% of RANGE rated voltage.

The standard reference temperature for16 TEMPERATURE performance shall be 270 C. The mean

temperature co - efficient shall not exceed0.03%.

17 The Meter shall confirm to requirements of IEC 62056 (amendedup to date).



4/38


6.0 CONSTRUCTIONAL REQUIREMENT / METER COVER & SEALINGARRANGEMENT:

6.1 The poly carbonate body of the meter shall conform to IS 11731 (FH-1category) besides meeting the test requirement of heat deflection test asper ISO 75, glow wire test as per the IS: 11000 (part 2/SEC-1) 1984 OR

IEC PUB 60695-2-12, Ball pressure test as per IEC--60695-10-2 andFlammability Test as per UL 94 or as per IS 11731(Part-2) 1986.

6.2 The meter shall be projection type, dust and moisture proof. The covershall be made of Polycarbonate material so as to give it tough and non-

breakable qualities. The meter body shall be type tested for IP - 51 degreeof protection.

6.3 Moulded single terminal block for current & voltage connections as per IS:14697/1999 (amended up to date) to meet the requirement of terminal

connection arrangement shall be provided. The termination arrangementshall be with an extended type transparent terminal cover and shall be

sealable independently to prevent unauthorized tampering. The Terminal

cover shall be transparent with one side hinge with sealing arrangement.

Proper size of grooves shall be provided at bottom of this terminal cover

for incoming & outgoing service wires.

6.4 All insulating materials used in the construction of the meter shall besubstantially non-hygroscopic, non ageing and of tested quality.

6.5 All parts that are likely to develop corrosion under normal workingcondition shall be effectively protected against corrosion by suitable

method to achieve durable results.

6.6 Independent sealing provision shall be made against opening of theterminal cover and front cover. It is necessary to provide unidirectionalscrews with two holes for sealing purpose. The meter shall be pilfer-proof

& tamper-proof.

6.7 The meter shall have base and cover of transparent Poly-carbonatematerial, which shall be ultra-sonically welded (continuous welding) so that

once the meter is manufactured and tested at factory; it shall not be

possible to open the cover at site except the terminal cover. The thickness

of material for meter cover and base shall be 2 mm (minimum).

6.8 The terminal block, the terminal cover and the meter case shall ensurereasonable safety against the spread of fire. They shall not be ignited bythermal overload of live parts in contact with them.

6.9 The meter shall be completely factory sealed except the terminal blockcover. The provision shall be made on the Meter for at least two seals to beput by utility user.

6.10 The Push buttons shall be provided for display parameters as well as MD



5/38


resetting separately.6.11 OUTPUT DEVICE:

Energy Meter shall have a suitable test output device for testing of meter,

accessible from the front, and be capable of being monitored with suitable

testing equipment while in operation at site. The operation indicator mustbe visible from the front and test output device shall be provided in the

form of LED or other similar device like blinking LCD. Resolution of the test

output device shall be sufficient to enable the starting current test in less

than 10 minutes. The test output device shall have constant pulse rate i.e.

Pulse / kWh and pulse /kVArh and its value (meter constant) shall be

indelibly printed on the name plate.

6.12 The meter accuracy shall not be affected by AC / DC magnetic field upto 0.2

Tesla on all the sides of meter, i.e. front, sides, top and bottom of the meter

as per CBIP-88 Technical Report with latest amendments. If the accuracy of

meter gets affected under influence of any magnetic field (AC / DC /Permanent) above 0.2 Tesla, the meter shall record energy considering

maximum value current Imaxand reference voltage at unity power factor.

6.13 CTs are to be provided with magnetic shielding and they shall be testedseparately prior to Assembly.

6.14 The meter shall also be capable to withstand and shall not get damaged ifphase to phase voltage is applied between phases & neutral for fiveminutes.

6.15 In meter, power supply unit shall be micro control type instead of providingtransformer and then conversion to avoid magnetic influence.

6.16 Non specified display parameter in the meter shall be blocked and it shallnot be accessible for reprogramming at site.

6.17 Complete metering system shall not be affected by externalelectromagnetic interference such as electrical discharge of cables and

capacitors, harmonics, electrostatic discharges, external magnetic fields

and DC current in AC supply etc. The Meter shall meet the requirement of

CBIP Tech-report 88 (amended up to date).

6.18 The meter shall withstand any type of High Voltage and High Frequency

surges which are similar to the surges produced by induction coil type

instruments without affecting the accuracy of the meter. The accuracy of

the meter shall not be affected with the application of abnormal voltage /

frequency generating device such as spark discharge of approximately 35

KV. The meter shall be tested by feeding the output of this device to meter

in any of the following manner for 10 minutes:

i) On any of the phases or neutral terminals



6/38


On any connecting wires of the meter (Voltage discharge with 0-10 mm

spark gap) At any place in load circuit.

The accuracy of meter shall be checked before and after the applicationof above device.

6.19 COMMUNICATION CAPABILITY:

The meter shall be provided with two ports for communication of the

measured / collected data as per Data Exchange for Electricity Meter

Reading, Tariff and Load Control - Companion Specification document

enclosed in the annexure, i.e. a hardware port compatible with RS 232

specifications which shall be used for remote access through suitable

Modem (GPRS / GSM / EDGE / CDMA / PSTN / LPR) and an Optical port

complying with hardware specifications detailed in IEC -62056-21. The

optical port shall be used for local data downloading through a DLMS

compliant HHU. RS 232 port on terminal block is also acceptable. Sealing

arrangement for Optical & RS 232 port shall be provided. Both ports shall

support the default and minimum baud rate of 9600 bps. Necessary cord

for optical port in the ratio 50:1 shall be provided free of cost. RS 232 port

shall be used at Distribution transformer meters capable to transfer &

export data to the remote end server through suitable communication

mediums. Both ports shall support the default and minimum baud rate of

9600bps.

6.20 Self Diagnostic Features.

6.20.1 The meter shall keep log in its memory for unsatisfactory functioning or

nonfunctioning of Real Time Clock battery, also it shall be recorded and

indicated in reading file at base computer software computer or to remotereading system.

6.20.2 All display segments: "LCD Test" display shall be provided for thispurpose.

6.21 The meter shall have facility to read the default parameters during power

supply failure. An internal maintenance free battery (Ni-mh or Li-ion or

NICD) of long life of 15 years shall be provided for the same. A suitable

push button arrangement for activation of battery shall be provided. This

battery may be of external type with inductive coupling arrangement.

External battery is to be provided with inbuilt charger, in the ratio of one

battery pack per 50 Nos. meters.

6.22 The RTC battery & the battery for display in case of power failure shall beseparate.

6.23 Wire / Cable less design: The meter PCB shall be wire less to avoidimproper and loose connections/ contacts.

6.24 PCB used in meter shall be made by Surface Mounting Technology.6.25 The data stored in the meters shall not be lost in the event of power

Category A DTC EA Meter Specs. Pe 6 of 29


7/38


failure. The meter shall have Non Volatile Memory (NVM), which does notneed any battery backup. The NVM shall have a minimum retention periodof 10 years.

7.0 DEMAND INTEGRATION PERIOD:

The Data stored in the array shall be the average value for the capturedtime block and stored at the end of that block, except for the energy values.The energy entries are the capture time block and posted at the end of thatblock. The array data shall be retained inside the meter memory fro the last22 days for a capture period of 15 minutes or last 45 days for a captureperiod of 30 minutes. It is assumed that the number of load surveyparameters is 5 which can be selected from the respective tables by theutilities. The storage days can be expanded by choosing less number ofparameters

8.0 MD RESET:

It shall be possible to reset MD by the following options:

Auto reset at 24:00 hrs at the end of each billing cycle: Automatic reset

at the end of certain predefined period (say, end of the month).

Manual reset.

9.0 REAL TIME INTERNAL CLOCK (RTC):

RTC shall be pre-programmed for 30 Years Day / date without anynecessity for correction. The maximum drift shall not exceed +/- 300Seconds per year.

The clock day / date setting and synchronization shall only be possible

through password / Key code command from one of the following:a) Hand Held Unit (HHU) or Meter testing work bench and this shall need

password enabling for meter;

b) From remote server through suitable communication network or Sub -station data logger PC.

10.0 TAMPER & FRAUD MONITORING FEATURES (ANTI TAMPER FEATURES):10.1 The meter shall work satisfactorily under presence of various influencing

conditions like External Magnetic Field, Electromagnetic Field, Radio

Frequency Interference, Harmonic Distortion, Voltage / FrequencyFluctuations and Electromagnetic High Frequency Fields, etc. The meter

shall be immune to abnormal voltage / frequency generating devices. Shall

record the occurrence and restoration of tamper events along



8/38


with parameters such as current, voltages, kWh, power factor, event code,date & time etc. (listed in Annexure A6.1 to A6.6 in enclosed document).-(tables 32 to 39 as per latest document enclosed.)Tamper details shall be stored in internal memory for retrieval byauthorized personnel through either of the following:i) HHU.

ii) Remote access through suitable communication network.

Minimum 200 numbers of events (occurrences & restoration with date &time) shall be available in the meter memory.

10.2 The meter shall detect and correctly register energy (Active + Reactive)only in forward direction under following tamper conditions:

10.2.1 Change of phase sequence:

The meter accuracy shall not be affected by change of phase sequence. It

shall maintain the desired accuracy in case of reversal of phase sequence.

10.2.2 Reversal of line and load terminals:

Even on interchanging the load and line wires, the meter shall registercorrect energy passing through the meter.

Drawing of current through local Earth:

The meter shall register accurate energy even if load is drawn partially orfully through a local earth.

10.2.3 Without neutral:

The three phase meter shall continue to work even without neutral.

10.2.4 Any one phase wire and neutral:

The three phase meter shall work in absence of any two phases i.e. it shallwork on any one phase wire and neutral, to record relevant energy.

10.2.5 Without earth

10.2.6 The meter shall work without earth.

Potential link shall not be provided.

Visual indication shall be provided to safeguard against wrongconnections to the meter terminals.

10.3 The meter shall be immune to the external magnetic field (AC / DC /

Permanent) upto 0.2 Tesla. If the accuracy of meter gets affected under

influence of any external magnetic field more than 0.2 Tesla, then the same

shall be recorded as magnetic tamper event with date & time stamping and

the meter shall record Energy considering the maximum



9/38


value current (Imax) at reference voltage and unity Power Factor in all thethree phases.

11.0 TAMPER EVENTS:

The detection of the tamper event shall be registered in the tamper eventregister. The no. of times the tampering has been done shall also beregistered in the meter. It is the responsibility of the meter manufacturernot to use manufacturer specific codes where standard codes areavailable. The meter shall log the tamper event as per annexure A6.1 toA6.6 (tables 32 to 39 as per latest document enclosed.) of DataExchange for Electricity Meter Reading Companion Specificationdocument.

The meter shall have features to detect the occurrence and restoration ofthe following abnormal events.

11.1 Missing potential and potential imbalance

The meter shall be capable of detecting and recording occurrence and

restoration with date and time the cases of potential failure and low

potential, which could happen due to disconnection of potential leads (one

or two). Meter shall also detect and log cases of voltage unbalance (10% or

more for 5 Minutes.) Higher of the 3 phase voltages shall be considered as

reference for this purpose.

11.2 Current unbalance


restoration with date and time of current unbalance (30% or more for 15

minutes) Higher of the 3 phase currents shall be considered as referencefor this purpose.

11.3 Current Reversal


restoration with date and time of reversal of current with phase

identification for persistence time of 5 minutes. It should also possess a

current reversal counter.

11.4 Current circuit short

The meter shall be capable of detecting and recording occurrences and

restoration of shorting of any one or two phases of current, with date &time of occurrence and restoration.

11.5 Power ON / OFF

The meter shall be capable to record power ON/OFF events in the metermemory. All potential failure should record as power off event.

The meter shall keep records for the minimum 200 events. (Occurrence +Restoration). For above abnormal conditions the recording of events shall

be on FIFO basis. It shall be possible to retrieve the abnormal event dataCategory A DTC EA Meter Specs. Page 9 of 29


10/38


along with all related snap shots data through the meter optical port with

the help of HHU / CMRI / Remote access through suitable communication

network & downloaded the same to the base computer. All the information

shall be made available in simple & easy to understand format12.0 DISPLAYS:

The meter shall have 7 digits (with +/- indication), parameter identifier,

backlit Liquid Crystal Display (LCD) of minimum 10 mm height and wide

viewing angle. Auto display cycling push button required with persistence

time of 10 Seconds. LCD shall be suitable for temperature withstand of 700

C; Sequence of display of various instantaneous electrical parameters

shall be as below. The adequate back up arrangement for storing of energy

registered at the time of power interruption shall be provided.

The permanently backlit display shall show relevant information about theparameters to be displayed. The corresponding non volatile memory shall

have minimum retention time of 10 years. In case of multiple values

presented by single display, it shall be possible to display the contents of

all relevant memories. When displaying the memory, the identification of

each parameter applied shall be possible. The principle unit for measured

values shall be the kilowatt-hour (kWh) for active energy, kVArh for

reactive energy & kVAh for apparent energy.

The meters shall be pre-programmed for following details. Display otherthan specified below shall be blocked.

a) P. T. Ratio: 415 V ph.to ph.or 3X240V

b) C.T. Ratio: - / 5 Amps or 100 / 5 Amps or 50 / 5 Amps as per requirement

c) M.D. resetting shall be auto. The meter shall auto reset at 2400 hrs. atthe end of month.

d) MD Integration Period is 30 Minutes.

e) Average power factor with 2 decimal digits shall be displayed.

f) The array of data to be retained inside the meter memory shall be for

the last 45 days for a capture period of 30 minutes for parameter nos. 5,6, 7, 10 & 13 of table A2.2 (table23) Block Load profile Parameters of

Annexure A2 of Data Exchange for Electricity Meter Reading, Tariff and

Load Control Companion Specification and are enumerated as below.

Voltage - VRNVoltage VYNVoltage VBN



11/38


Block Energy kWhBlock Energy kVAh

The load survey data shall be first in first out basis (FIFO).g) The audit parameters to be displayed presently shall be as per table

A2.1 (Table22)(except 8 & 9) of Annexure A2 of Data Exchange for

Electricity Meter Reading, Tariff and Load Control Companion

Specification of the A/T in the sequence as below.

NORMAL DISPLAYSr. No Parameter

1. LCD Test2. Real Time Clock Date and Time3. Cumulative Energy kWh4. Cumulative Energy kVArh Lag5. Cumulative Energy kVArh Lead6. Cumulative Energy kVAh7. Maximum Demand kVA8. Three Phase Power Factor PF9. Number of power failures10. Cumulative power failure duration11. Cumulative tamper count

ON DEMAND DISPLAY (ALTERNATE MODE)1. Real Time Clock Date and Time2. Current IR3. Current IY4. Current IB5. Voltage VRN6. Voltage VYN



12/38


7. Voltage VBN8. Maximum Demand kVA9. Signed Power Factor - R phase10. Signed Power Factor - Y phase11. Signed Power Factor - B phase12. Frequency13. Cumulative Energy kWh14. Cumulative Energy kVArh lag15. Cumulative Energy kVArh lead16. Cumulative Energy kVAh17. Cumulative programming count18. No of MD reset

Other kVA MD values shall be available in reset backup data for 6months.NOTE: The meter display shall return to Default Display mode (mentionedabove) if the 'Push button' is not operated for more than 15

seconds.h) Load survey data for every 30 minutes and for previous 45 days for

specified parameters as below. Load survey data shall be first in firstout basis (FIFO).

LOAD SURVEY PARAMETERS

1. Real Time Clock Date and Time

2. Current - IR

3. Current - IY

4. Current IB

5. Voltage - VRN



13/38


6. Voltage VYN

7. Voltage VBN

8. Block Energy kWh

9. Block Energy kVArh Lag

10. Block Energy kVArh Lead

11. Block Energy kVAh

i) Tamper data shall be stored in memory and retrieved by HHU / CMRI

/ Laptop or from remote server through suitable communicationnetwork or Sub-station data logger PC with necessary software.

j) It shall be possible to upload the HHU / CMRI data to any PC having

HHU / CMRI software. The software for HHU / CMRI as well as the

software on PC is to be provided by Vendors which hshould create a file

in XML format

k) The data stored in the meters shall not be lost in the event of power

failure. The meter shall have Non Volatile Memory (NVM), which does

not need any battery backup. The NVM shall have a minimum retention

period of 10 years.

l) The meter shall measure & record total energy (Active + Reactive)consisting of energy due to harmonics.

m) The meter shall be capable of recording and displaying automatically

the parameters as shown in Data Exchange for Electricity Meter

Reading, Tariff and Load Control Companion Specification enclosed

with this document as annexure.

n) The meter shall cover all the parameters given in table A2.1 (table 22)ofAnnexure A2 of Data Exchange for Electricity Meter Reading, Tariff andLoad Control Companion Specification of the A/T.



14/38


13.0 PERFORMANCE UNDER INFLUENCE QUANTITIES:

The meters performance under influence quantities shall be governed byIS 14697-1999 (reaffirmed 2004) and CBIP - 88. The accuracy of meter shallnot exceed the accuracy as per standard IS: 14697 (latest version).

14.0 QUANTITIES TO BE MEASURED & DISPLAYED:

The meter shall be capable of measuring and displaying the followingelectrical quantities within specified accuracy limits for polyphasebalanced or unbalanced loads:

a) Instantaneous Parameters such as phase and line voltages, currents,power factor, overall kVA, kW, kVAr, frequency etc as per details givenin the enclosed annexure. The sequence of display of these parametersis already indicated in clause 11.0 (g).

b) Block Load Profile Parameters such as kVAh / kWh / kVArh (lag / lead) /Maximum Demand (MD) in kW / kVA /power factor /phase and linevoltages/currents etc. as per details given in the enclosed annexure.

In addition to above the meter shall also record the Name plate details;programmable parameters (readable as profile), occurrence and restorationof tamper events along with the parameters (Table A5.1, A5.2 and A6.1 toA6.6 respectively of enclosed Data Exchange for Electricity Meter Reading,Tariff and Load Control - Companion Specification.

Detail of category wise parameters requirement suitable for DTC meteringis given in following tables of Data Exchange for Electricity Meter Reading,Tariff and Load Control - Companion Specification document enclosed asannexure:

Category Parameter group Annexure Table No.

Instantaneous parameters C 4 table22

DistributionBlock Load Profile parameters C 5 Table 23

TransformerName Plate details F 1 table 30Centre Energy

Audit MeterProgrammable Parameters F 2 table 31

Event Conditions Table 32 to 37

All logging

parameters for Capture parameters for event A6.4 Table 39

Each of the(Event Log Profile)event condition

for 3 / 4W

Category A DTC EA MeterSpecs.

Page 14 of 29


15/38


15.0 MARKING OF METERS:

The marking of meters shall be in accordance with IS: 14697 /1999

(reaffirmed 2004). The meters shall bear marking Purchased under R-

APDRP scheme. The meter shall also store name plate details as given in

the table A5.1 of annexure. These shall be readable as a profile as and

when required.

16.0 HAND HELD UNIT (HHU):

To enable local reading of meters data, a DLMS compliant HHU shall be

used. The HHU shall be as per specification given in the enclosed Data

Exchange for Electricity Meter Reading, Tariff and Load Control -

Companion Specification document. It shall be compatible to the DLMS

compliant energy meters that are to be procured / supplied on the basis of

this specification. The HHU shall be supplied by the meter manufacturer

along with the meter. One number of HHU shall be provided for every lot of100 meters.

17.0 TESTS:

17.1 Type Tests:

The meter offered shall have successfully passed all type tests described

in the IS: 14697 and the meter Data Transfer and Communication capability

as per enclosed Data Exchange for Electricity Meter Reading, Tariff and

Load Control - Companion Specification document. Type test certificate

shall be submitted before commencement of supply and the same shall not

be more than 36 months old at the time of submission. Make & type of

major components used in the type-tested meter shall be indicated in the

QAP. All the Type Tests specified in the technical specifications and as per

IS: 14697 shall be carried out at laboratories which are accredited by the

National Board of Testing and Calibration Laboratories (NABL) of Govt. of

India such as CPRI Bangalore / Bhopal, ERDA Baroda, ERTL. Type Test

Reports conducted in manufacturers own laboratory and certified by

testing institute shall not be acceptable.

The type test reports shall clearly indicate the constructional features ofthe type tested meters. The type test reports for each offered type ofmeters shall be submitted separately

Further Purchaser shall reserve the right to pick up energy meters at

random from the lots offered and get the meter tested at third party lab i.e.

CPRI / agencies listed at Appendix-C of Latest standardization of AC

static electrical energy meters CBIP publication NO.-304/ NPL / CQAL/

ERTL / ERDA at the sole discretion of the Purchaser. The supplier has no

right to contest the test results of the third party lab or for additional test

and has to replace / take corrective action at the cost of the supplier.



16/38


It shall be the responsibility of the supplier to arrange such tests and

Purchaser shall be informed of the date and time of conduction of tests

well in advance to enable him to witness such tests. Test charges of the

testing authority, for such successful repeat type tests, shall be

reimbursed at actual by the Purchaser.17.2 Acceptance & Routine Tests:

Criteria for selection for such tests and performance requirements shall beas per IS 14697-1999 (reaffirmed 2004).

Additional acceptance shall include Surge withstand (SWC) for 6 kVp as

per IEC 62052-11, Lightning impulse test and HF disturbance test as per IS

14697. One sample meter per order from one of the offered lot shall be

subjected to these specific tests. Meters subjected to these tests shall not

be used after tests.

Accuracy tests shall be performed at the beginning and at the end of theacceptance tests specified.

All acceptance tests as per IS:11731 (FH-1 category) shall be carried out on

the meter body, heat deflection test as per ISO:75, glow wire test as per the

IS:11000 (part 2/SEC-1) 1984 OR IEC PUB 60695-2-12, Ball pressure test as

per IEC--60695-10-2 and Flammability Test as per UL 94 or as per IS

11731(Part-2) 1986.

17.3 Transportation Test:

At least 50% of the samples of the meters be tested for error at Imax, Iband

5% Ib at unity power factor and 50% Imax and 10% Ib at 0.5 lagging PowerFactor besides checking them for starting current. This test shall be

conducted on ready to install meter i.e. meter cover ultrasonically welded &

sealed. After recording these errors, the meters be put in their normal

packing and transported for at least 50 km in any transport vehicle such as

pick up van, Jeep, etc. on uneven rural roads and then re-tested at all these

loads after the transportation. The variation in errors recorded before and

after transportation shall not exceed 1% at higher loads and 1.5% at loads

below Ib.

17.4 Other Acceptance Test

i) The meter shall withstand continuously for a period of at least 5 minutesat a voltage of 440 V between phase and neutral withoutdamage/problems.

ii) Meters shall be tested for tamper conditions as stated in thisspecification.

iii) Glow wire testing for poly-carbonate body.

iv) Power consumption tests shall be carried out.



17/38


v) The meter shall comply all the tests for external AC / DC magnetic field

as per CBIP Tech Report 88 with latest amendments. Moreover, the

magnetic influence test for permanent magnet of 0.5 T for minimum

period of 15 minutes shall be carried out by putting the magnet on the

meter body. If the accuracy of the meter gets affected during the test,then the same shall be recorded as magnetic tamper event with date &

time stamping and the meter shall record energy considering maximum

value current Imax and reference voltage at unity power factor. After

removal of magnet, meter shall be subjected to accuracy test as per IS:

14697 / 1999 (amended up to date). No deviation in error is allowed in

the class index as per IS: 14697/ 1999 (amended up to date) & this

specification.

vi) The meter shall withstand impulse voltage at 10 kV.

The tests 16.4, (i) to (iv) shall be carried out at factory for each inspected

lot at the time of pre dispatch inspection.The tests 16.4 (v) to (vi) shall be carried out on one sample from first lot as

per procedure laid down in IS: 14697/1999 (amended up to date), CBIP

Tech-Report 88 (with latest amendments). The test report shall be got

approved from Chief Engineer (APDRP) before commencement of supply.17.5 For influence quantities like, voltage variation, frequency variation, voltage

unbalance etc. the limits of variation in percentage error shall be as perIS:14697/1999.( amended up to date)

17.6 GUARANTEED TECHNICAL PARTICULARS:

The tenderer shall also furnish the particulars giving specific requireddetails of Meters in schedule `A' attached. The offers without the details inSchedule `A' stand rejected.

18.0 CONNECTION DIAGRAM AND TERMINAL MARKINGS:

The connection diagram of the meter shall be clearly shown on inside

portion of the terminal cover and shall be of permanent nature. Meter

terminals shall also be marked and this marking shall appear in the above

diagram. The diagram & terminal marking on sticker shall not be allowed.

19.0 PRE-DESPATCH INSPECTION:

All Acceptance tests and inspection shall be carried out at the place of

manufacturer unless otherwise specially agreed upon by the manufacturer

and purchaser at the time of purchases. The manufacturer shall offer to the

inspector representing the purchaser all the reasonable facilities, free of

charge, for inspection and testing, to satisfy him that the material is being

supplied in accordance with this specification. The MSEDCLs

representative / Engineer attending the above testing shall



18/38


carry out testing as per IS: 14697 / 1999 & this specification and issue test

certificate approval to the manufacturer and give clearance for dispatch.

The first lot of meter may be jointly inspected by the representative of the

Chief Engineer (Distribution) and the Executive Engineer (Inspection Wing).20.0 JOINT INSPECTION AFTER RECEIPT AT STORES (Random Sample

Testing):

From each lot (lot means the total number of meters received in a Store

out of inspected and approved lot by purchaser's representative under one

approval letter) of meters received at Stores, Random Sample testing will

be done as per IS 14697 amended upto date .The meters will be tested

by Our Testing Engineer in presence of Supplier's representative jointly

for the test as per the above mentioned IS 14697. The advance intimation

will be given to the supplier and if the suppliers fail to attend the joint

inspection on the date informed, the Testing will be carried out by our

Testing Engineer in absence of suppliers representative. The meters will

be accepted /rejected as per Conditions mentioned in IS 14697 .

QUALITY ASSURANCE:

The manufacturer shall have a comprehensive quality assurance program

at all stages of manufacture for ensuring products giving reliable, trouble

free performance. Details of the bidders quality assurance and test set up

shall be furnished with the bid. A detailed quality assurance program shall

be finalized with the successful bidder during the award stage. Bidder

shall furnish following information along with his bid:

i) Organization structure of the manufacturer and his main sub-suppliers

(PCBs, SMT cards, CT/PT) with details of QA setup, overall workflow;

ii) Copy of system manual showing QAP (Quality Assurance Plan) asactually practiced during manufacturing and final testing.

iii) List of raw materials and critical components (ASIC chip, crystal clock,memory register Chip, transformers, optical ports etc.) with theirsuppliers;

iv) Stage inspection of product before final testing;

v) Procedure adopted for In-situ testing of PCBs, after placement ofsurface mounted component, for quantitative parametric variation oftolerance by self or sub-contractor.



19/38


vi) Testing and calibration facility, date of calibration of test bench,manpower data of bench operators;

vii) Sample copies of test certificate of bought out components.

22.0 QUALIFYING REQUIREMENTS:i) Bidder shall be a manufacturer;

ii) The bidder shall have all the facility in his works for design, assembly,

quality assurance, burn-in test (Fully assembled Energy Meter), testing

(all routine and acceptance tests), automatic calibration of Energy Meter

on software based test bench, qualified team of technical and software

engineers;

iii) The Bidder / Manufacturer should have Turnover of Rs 80 Crs , duringany one of the last three Financial years.

iv) Bidder should have minimum experience of three years of supply ormanufacturing of meters up to the end of last financial year.

v) The Bidder / Manufacturer should have supplied at least 12.5 Lakhs Nosof all type of Meters during the last three financial years.

The offer of Indian Subsidiary company, whose parent company locatedabroad fulfilling the Qualifying requirements shall be consideredprovided the Indian participant Subsidiary company fulfils the minimum

experience of three years supply or manufacturing for static energymeters up to end of the last Financial year. However, the condition ofturnover of Rs 80 Crs during any one of the last three three financialyears and supply of minimum quantity of 12.50 Lakhs static energymeters during last three financial years can be fulfilled by the parentcompany located in abroad on behalf of the Indian subsidiary company.The parent company shall furnish undertaking for acceptingresponsibility for supplying quality meters as per specification andexecution of the contract on behalf of its Indian based subsidiary unitwho has participated in the tender.

vi) Notwithstanding anything stated herein under, the Purchaser reserves

the right to assess the capacity and capability of the bidder to execute

the work, shall the circumstances warrant such assessment in the

overall interest of the Purchaser.


20/38

23.0 GUARANTEE:

Equipment (Meter) supplied shall be guaranteed for a period of 66 months

from the date of supply or 60 months from the date of installation,

whichever ends earlier . Bidders shall guarantee to repair or replace the

meters which are found to be defective/ inoperative at the time of

installation, or become inoperative/ defective during guarantee period.

Replacements shall be effected within 1 month from the date of intimation.

The bidder shall extend the guarantee of 5 years. However the backup bankguarantee provided by the bidders shall be valid for 2 years only.

24.0 MANUFACTURING PROCESS, ASSEMBLY AND TESTING:

Meters shall be manufactured using latest and state of the art technology

and methods prevalent in electronics industry. The meter shall be made

from high accuracy and reliable surface mount technology (SMT)

components. All inward flow of major components and sub assembly parts

(CT, PT, RTCs/Crystal, LCDs, LEDs, power circuit electronic components

etc.) shall have batch and source identification. Multilayer PCB assemblywith PTH (Plated through Hole) using surface mounted component shall

have adequate track clearance for power circuits. SMT component shall be

assembled using automatic pick-and-place machines, Reflow Soldering



21/38


oven, for stabilized setting of the components on PCB. For soldered

PCBs, cleaning and washing of cards, after wave soldering process is to be

carried out as a standard practice. Assembly line of the manufacturing

system shall have provision for testing of sub-assembled cards. Manual

placing of components and soldering, to be minimized to items, whichcannot be handled by automatic machine. Handling of PCB with ICs / C-

MOS components, to be restricted to bare minimum and precautions to

prevent ESD failure to be provided. Complete assembled and soldered

PCB shall undergo functional testing using computerized Automatic Test

Equipment.Fully assembled and finished meter shall undergo burn-in test process for 12hrs at 55 deg celcius under base current (Ib) load condition.Test point shall be provided to check the performance of each block / stage

of the meter circuitry. RTC shall be synchronized with NPL time at the time

of manufacture. Meters testing at intermediate and final stage shall be

carried out with testing instruments, duly calibrated with reference

standard, with traceability of source and date.A) MANUFACTURING ACTIVITIES:

a) Prior to final testing and calibration, all meters shall be subjected to aging test (i.e. Meters shall be kept in ovens for 72 hours at 55 0C temperature and atmospheric humidity under real life condition at it's full load current. After 72 hours meters shall work

satisfactory to eliminate infant mortality.b) The calibration of meters shall be done in-house.

c) The bidders shall submit the list of all imported & indigenouscomponents separately used in meter along with the offer.

d) Bought out items:- A detailed list of bought out items which are used

in the manufacture of the meter shall be furnished indicating the

name of firms from whom these items are procured. The bidder shall

also give the details of quality assurance procedures followed by

him in respect of the bought out items.

e) List of Plant and Machinery:

No.

Sr.

List of Plant and Machinery used for Energy meter Production 1 Fully automatic testing Bench with Routine Testing and

ICT for testing link less meters Calibration of Meters2 Semi automatic testing Bench with Routine Testing and

MSVT Calibration of Meters3 IR Tester Insulation testing



22/38


4 HV Tester Insulation testing5 Error calculators Error testing6

Long duration Running test set ups

Reliability Testing

7 Reference Meters Class 0.01 accuracy Error calculation8 Ultrasonic welding Machines Welding of meters9 Automatic Pick and Place Machines Automatic placing of SMT

components10 Solder Paste Printing Machine SMT soldering11 Soldering Furnace IR reflow SMT soldering12 PCB Scanner For testing of PCBs13 ATE functional tester For testing of Components14 Programmers and Program Loaders Chip Programming Tools15 CAD PCB designing setups PCB designing16 Furnace IR type for Hybrid Micro resistance network and

Circuits HMC manufacturingtrimming of resistances for

17 Laser Trimming Machines higher accuracy measurement

18 Wave Soldering Machines Wave soldering of PCBs19 Humidity Chamber Accelerated testing for Life

cycle20 Dry Heat Test Chamber Accelerated testing for Life

cycle21 Thermal Shock Chamber Accelerated testing for Lifecycle22 PRO -E Mechanical Design Stations Mechanical CAD stations23 Spark Erosion Tool fabricating Tool fabrication and Die

Machine manufacturing24 CNC wire Cut Tool Fabrication Tool fabrication and Die machine manufacturing



23/38


25 CNC Milling Machine for composite Tool fabrication and Dietool fabrication manufacturing

26 Injection Moulding Machine Moulding of plastic parts27 Vibration testing Machine Vibration testing of Meters28 Glow Wire Test machine Testing of Plastic Material29 Fast transient burst testing setup Type testing of Meters30 Short term over Current testing setup Type testing of Meters31 Magnetic and other tamper testing Tamper Testingsetups32

Impulse Voltage Testing Setup

Type testing of Meters

33 Compositechambers Environmental testing Type testing of Meters

B) MINIMUM TESTING FACILITIES:

Manufacturer shall posses fully automatic computerized Meter Test

Bench System having inbuilt source and load adjustment for carrying

out routine and acceptance Tests as per IEC: 687 or CBIP-88. In addition

this facility shall produce Test Reports for each and every Meter. The

tenderer shall have the necessary minimum testing facilities for

carrying out the following tests.

Sr. No. Name of Test1 A.C. Voltage test2 Insulation Resistance Test3 Test on limits of errors4 Test on meter constant5 Test of starting condition6 Test of no-load condition7 Repeatability of error test8 Test of power Consumption



24/38


9 Vibration test10 Shock Test11 Tamper conditions - as per MSEDCL, specification12 The manufacturer shall have duly calibrated RSS meter of

class 0.05 accuracy

25.0 COMPONENT SPECIFICATION: As per Annexure - I enclosed.26.0 FIXING & CONNECTION ARRANGEMENT

Manufacturer shall ensure following technical points:

i) Meter shall be suitable for Projection mountingii) Energy Meter terminals block shall be adequately sized with regard to

maximum conductor dimension, commensurate with current rating of

Energy Meter.

27.0 SCHEDULES:

The tenderer shall fill in the following schedules which are part of tenderspecification and offer. If the schedules are not submitted duly filled inwith the offer, the offer shall be liable for rejection.

Schedule `A' ... Guaranteed and technical particulars (As indicated in GTPparameters on E-Tendering)

Schedule `C ... Tenderer's ExperienceThe discrepancies if any between the specification and the catalogs and/or

literatures submitted as part of the offer by the bidders, the same shall not

be considered and representations in this regard shall not be entertained.

Category A DTC EA Meter Specs. page 24 of 29


25/38


SCHEDULE - "C"

Sr. No. Order number Number of Meters supplied

NAME OF FIRM _____________________________________________NAME & SIGNATURE OF TENDERER _________________________DESIGNATION _______________________________________________DATE _______________________________________________________



26/38


ANNEXURE ISr. Component

Requirement Makes and OriginNo. function

The Meters shall be withthe current transformers The current transformer

as measuring elements. shall withstand for the

1 Current The current transformer clauses under5&9 of IS Transformers14697/1999shall withstand for the

clauses under 5&9 of IS-14697/1999

USA: Analog Devices,

Cyrus Logic, Atmel,

Philips, Teridian. Dallas, ST, Texas Instruments,

Motorola, Maxim,

The measurement or National Semiconductors,Measurement or computing chips used in Freescale,2 the Meter shall be with Onsemiconductorscomputing chips

the Surface mount type Germany: Siemens.along with the ASICs. South Africa: SAMES.

Japan: NEC, Toshiba,

Renasas, Hitachi.Austria: AMSHolland: Philips (N X P )

The memory chips shallnot be affected by externalparameters like sparking,

USA: Atmel, Teridian,high voltage spikes orelectrostatic discharges. National Semiconductors,Meter shall have non Philips, Texas

3 Memory chips volatile memory (NVM). No Instruments, ST, other type of memory shall Microchip, Spanson be used for data recording (Fujitsu), Ramtronand programming. (The life Japan: Hitachi, Renasasof the NVM is highest)

Germany: SiemensThere shall be securityisolation betweenmetering circuit,



27/38


communication circuit,and power circuit.

a) The display modulesshall be well protectedfrom the external UVradiations.b) The display visibilityshall be sufficient toread the Meter mountedat height of 0.5 meter aswell as at the height of 2 Hongkong : Gendameters (refer 3.2 d forviewing angle). Singapore: Bonafiedc) The construction of Technologies, E-smart Display Tech,the modules shall besuch that the displayed Korea: Advantek, Jebon,

4 Display modules quantity shall not Union Display Inc.,disturbed with the life of China: Successdisplay (PIN Type).

Japan: Hitachi, Sony, d) It shall be trans- L&G.reflective HTN (HTN

Malaysia: Crystal ClearHyper Twisted Nematic(120)) or STN (STN Technology.Super Twisted Nematic(160)) type industrialgrade with extendedtemperature range.HTN Hyper TwistedNematic (120)STN Super TwistedNematic (160)

Communication modulesshall

be

compatible

for USA: National

the two ports (one optical Semiconductors, HP,

Communication port for communication Optonica5 with meter readingModules Holland/Korea: Phillipsinstruments & the other

hardwired RS 232 port to Japan: Hitachicommunicate with various Taiwan: Ligitekmodems for AMR)



28/38


Optical port shall be usedto transfer the meter data USA: Nationalto meter reading Semiconductors, HPinstrument.

p ca por The mechanical o an orea: psconstruction of the port Japan: Hitachishall be such to facilitate Taiwan: Ligitekthe data transfer easily.The power supply shall bewith the Capabilities asper the relevant standards. The powersupply unit of the meter

7 Power supply shall not be affected in SMPS Typecase the maximumvoltage of the systemappears to the terminalsdue to faults or due towrong connections

USA: NationalThe active & passive Semiconductors, Atmel,components shall be of Philips, Taxas

8Electronic the surface mount type & Instrumentscomponents are to be handled &

Japan: Hitachi, Oki, AVZsoldered by the state ofart assembly processes. or Ricon

Korea; Samsunga) The internal electricalcomponents shall be ofelectrolytic copper & shallbe protected from

Mechanical corrosion, rust etc.9

parts b) The other mechanicalcomponents shall be

protected from rust,corrosion etc. by suitableplating/paintingmethods.

10 Battery Chargeable maintenanceVarta, Tedirun, Sanyo orfree guaranteed life of 10



29/38


years. National.

The accuracy of RTC shall USA: Philips, DallasRTC & Micro Atmel, Motorola,

11 controller. be as er relevant IEC / MicrochipIS standards.Japan: NEC or Oki.

Glass Epoxy, fire12 P.C.B. resistance grade FR4,

with minimum thickness1.6 mm.



30/38


ANNEXURE U-IINDEMNITY BOND

UNDERTAKING TO BE SUBMITTED BY THE PARENT COMPANY SITUATED

ABROAD IN CASE OF THE PARTICIPANT BIDDER WHO IS AN INDIAN BASEDSUBSIDIARY ON GENERAL STAMP OF RUPEES 200/-

The Executive Director (Stores),Maharashtra State Electricity Distribution Co. Ltd.,Prakashgad, Bandra (E),Mumbai 400 051.Dear Sir:Sub: Undertaking against Tender _________ for procurement of _________We, M/s. ___ having registered office at ___ are the Parent Company of M/s. ___

who have participated against your Tender No. _ for procurement of _____. We have carefully read and have thoroughly understood and agree to the termsand conditions of the subject tender.We hereby undertake that in case of placement of order against the subject

tender on our subsidiary company, M/s._______, in the event of we accept all the

responsibilities and liabilities for supply of quality meters as per specification of

the tender and execution of the contract. We further hereby undertake that we

shall be responsible for any liability arising out of the contract placed on

M/s._____ and to pay MSEDCL on demand the sum of rupees as per agreement in

the event of any breach of condition of the purchase order, loss and damage ofthe material till expiry of guarantee period as stipulated in the order.Our liability here under shall not be impaired or discharged by extension of time

or variation or alteration made with or without our knowledge or consent by or

between the parties to the said contract. This undertaking shall be valid and

binding on us upto and including the execution and guarantee period of the order

and shall not be terminable by notice or change in the constitution of any of the

companies. In case of any dispute arising out of or in connection with this tender

or contract, if concluded, the same shall be subject to the exclusive jurisdiction

of the Court in Mumbai (India).

Yours faithfully,

(Authorised Signatory)FOR _________________



31/38

1. MANUFACTURERS / SUPPLIERS NAME AND ADDRESS WITH WORKS

ADDRESS

TEXT

2. MAKE AND TYPE OF METER TEXT

3. APPLICABLE STANDARD IS AS PER GUIDELINES DOCUMENTS ENCLOSED,

IS: 14697 /1999 (RE AFFIRMED 2004),CBIP TECH REPORT 88 AMENDED UPTO

DATE & IS:15707/2006

BOOLEAN

4. METER PROTOCOL IS AS PER GUIDELINES DOCUMENTS ENCLOSED BOOLEAN

5. SUBMISSION OF PROTOCOL CERTIFICATION OF METER AS PER

GUIDELINES DOCUMENTS ENCLOSED BEFORE COMMENCEMENT OF

SUPPLY

BOOLEAN

6. ENERGY METER IS AMR COMPATIBLE THROUGH SUITABLE MODEM GPRS

/ GSM / EDGE / CDMA /PSTN / LPR), STATIC, 3 PH, 4 WIRE TRIVECTOR

ENERGYMETER

BOOLEAN

7. FREQUENCY 50HZ5% BOOLEAN

8. ACCURACY CLASS OF METER 0.5 S BOOLEAN

9.RATED VOLTAGE TEXT

10. VOLTAGE RANGE TEXT

11. BASIC CURRENT (IB) OF METER TEXT

12. MAXIMUM CONTINUOUS CURRENT(IMAX) TEXT

13. SHORTTIME OVER CURRENT TEXT

14. STARTING CURRENT OF METER TEXT

15. POWER CONSUMPTION IN EACH VOLTAGE CIRCUIT TEXT

16. APPARENT POWER CONSUMPTION IN EACH CURRENT TEXT

17. KVA MD PROVIDED (YES/NO) BOOLEAN

18. DISPLAY PARAMETERS AS PER SPECIFICATIONS BOOLEAN


32/38

19. CT RATIO OF METER (100 /5 Amp or 50/ 5 Amp or -/5 A TEXT

20. POWER FACTOR IS 0.0 LAG - UNITY - 0.0 LEAD. BOOLEAN

21. POWER SUPPLY IS SMPS BOOLEAN

22. METER BEARS ISI MARK AT THE TIME OF SUPPLY BOOLEAN

23. P.T.VOLTAGE OF METER IS 3 X 240 V BOOLEAN

24. STANDARD REFERENCE TEMPERATURE OF METER TEXT

25. MEAN TEMPERATURE COEFFICIENT TEXT

26. METER BODY IS MADE OF TRANSPARENT POLYCARBONATE BASE AND

COVER

BOOLEAN

27. POLY CARBONATE BODY OF THE METER CONFORMS TO IS:11731 (FH1

CATEGORY)

BOOLEAN

28. DEGREE OF PROTECTION OF METER BODY TEXT

29. POLY CARBONATE BODY MEETS THE TEST REQUIREMENT OF HEAT

DEFLECTION TEST AS PER ISO 75-150 C & TYPE TEST REPORT IS

ENCLOSED

BOOLEAN

30. POLY CARBONATE BODY MEETS THE TEST REQUIREMENT OF GLOW

WIRE TEST AS PER IS: 11000 (PART2 / SEC1) 1984 ORIE CPU B60695212 AT

900 C & TYPE TEST REPORT IS ENCLOSED.

BOOLEAN

31. POLY CARBONATE BODY MEETS THE TEST REQUIREMENT OF BALL

PRESSURE TEST AS PER IEC 60695102 & TYPE TEST REPORT IS ENCLOSED

BOOLEAN

32. POLY CARBONATE BODY MEETS THE TEST REQUIREMENT OF

FLAMMABILITY TEST AS PER UL 94 OR IS 11731 (PART2) 1986 & TYPE TEST

REPORT IS ENCLOSED.

BOOLEAN

33. THE METER BASE AND COVER DOES NOT CHANGE IN COLOUR, SHAPE ,

SIZE , AND DIMENSION WHEN SUBJECTED TO 200 HOUR SUN UV AGEING

TEST & TYPE TEST REPORT IS ENCLOSED.

BOOLEAN

34. PHYSICALWATER ABSORPTION VALUE OF METER BODY TEXT


33/38

35. THERMAL HDDT VALUE OF METER BODY TEXT

36. TENSILE STRENGTH OF METER BODY TEXT

37. FLEXURE STRENGTH OF METER BODY TEXT

38. MODULUS OF ELASTICITY OF METER BODY TEXT

39. IZOD IMPACT STRENGTH OF METER BODY NOTCHED AT 23C TEXT

40. TERMINAL COVER OF METER IS EXTENDED TYPE,TRANSPARENT AND

SEALABLE INDEPENDENTLY

BOOLEAN

41. PROPER SIZE OF GROOVES ARE PROVIDED AT BOTTOM OFTERMINAL

COVER FOR INCOMING & OUTGOING SERVICE WIRES

BOOLEAN

42. MOULDED SINGLE TERMINAL BLOCK FOR CURRENT &VOLTAGE

CONNECTIONS IS PROVIDED AS PER IS:14697/1999(AMENDEDUPTODATE)

BOOLEAN

43. INDEPENDENT SEALING PROVISION IS MADE AGAINST OPENING OF THE

TERMINAL COVER AND FRONT COVER.

BOOLEAN

44. UNIDIRECTIONAL SCREWS WITH TWO HOLES FOR SEALING PURPOSE ARE

PROVIDED ON METER BODY

BOOLEAN

45. POLYCARBONATE TRANSPARENT BASE AND COVER IS

ULTRASONICALLY WELDED (CONTINUOUSWELDING)

BOOLEAN

46. THICKNESS OF MATERIAL FOR METER COVER AND BASE IS MINIMUM

2MM

BOOLEAN

47. TERMINAL COVER IS TRANSPARENT WITH ONE SIDE HINGEWITH

SEALING ARRANGEMENT

BOOLEAN

48. SEPARATE PUSH BUTTONS ARE PROVIDED FOR DISPLAY PARAMETERS BOOLEAN


34/38

AS WELL AS MD RESETTING

49. OUTPUTDEVICE FOR TESTING OF METER IS BLINKING LED BOOLEAN

50. OR OTHER SIMILAR DEVICE WITHCONSTANT PULSE RATE METER

CONSTANT IS INDELIBLY PRINTED ON THE NAME PLATEOFTHEMETER

BOOLEAN

51. METER IS IMMUNE UPTO AC / DC/ PERMANENT MAGNETIC FIELD UPTO 0.2

TESLA ON ALL THE SIDES OF METER AS PER CBIP 88 TECHNICAL REPORT

WITH LATEST AMENDMENTS.

BOOLEAN

52. UNDER INFLUENCE OF ANY MAGNETIC FIELD (AC /DC / PERMANENT)

ABOVE 0.2 TESLA, IF THE ERRORS ARE BEYOND PERMISSIBLE LIMITS AS

PER CBIP 88 TECHNICAL REPORT WITH LATEST AMENDMENTS, THE

METER RECORDS THE ENERGY CONSIDERING IMAX AND REFERENCE

VOLTAGE AT UNITY POWER FACTOR

BOOLEAN

53. METER ACCURACY IS NOT AFFECTED AFTER REMOVAL OF PERMANENT

MAGNET OF 0.2 TESLA APPLIED FOR 15 MIN

BOOLEAN

54. CTS ARE PROVIDED WITH MAGNETIC SHIELDING AND ARE TESTED

SEPARATELY PRIOR TO ASSEMBLY

BOOLEAN

55. METER IS CAPABLE OF MEASURING TOTAL ENERGY CONSISTING OF 50HZ

ENERGY AND HARMONICS ENERGY

BOOLEAN

56. METER IS CAPABLE TO WITHSTAND AND NOT GET DAMAGED IF PHASE

TO PHASE VOLTAGE IS APPLIED BETWEEN PHASES & NEUTRAL FOR FIVE

MINUTES

BOOLEAN

57. KVA MD IN RESET BACKUP DATA PROVIDED FOR 6 MONTHS BOOLEAN

58. ACCURACY OF METER IS NOT AFFECTED WITH APPLICATION OF

ABNORMAL VOLTAGE / FREQUENCY GENERATING DEVICE SUCH AS

SPARK DISCHARGE OF APPROXIMATELY 35KV.

BOOLEAN

59. OPTICAL PORT IS PROVIDED WITH SEALING ARRANGEMENT BOOLEAN


35/38

60. WIRED RS232 COMMUNICATION PORT IS PROVIDED WITH SEALING

ARRANGEMENT

BOOLEAN

61. INTERNAL MAINTENANCE FREE BATTERY(NIMH OR LIION OR NICD) OF

LONG LIFE OF 15YEARS IS PROVIDED

BOOLEAN

62. A SUITABLE PUSH BUTTON ARRANGEMENT FOR ACTIVATION OF

BATTERY IS PROVIDED

BOOLEAN

63. THE METER PCB IS WIRE LESS & IS MADE BY SURFACE MOUNTING

TECHNOLOGY

BOOLEAN

64. RTC BATTERY & BATTERY FOR DISPLAY ARE SEPARATE.NON VOLATILE

MEMORY (NVM) WITH MINIMUM RETENTION PERIOD OF 10 YEARS IS

PROVIDED

BOOLEAN

65. PROVISION TO RESET MD THROUGH HAND HELD TERMINAL (HHU) IS

PROVIDED.

BOOLEAN

66. PROVISION TO RESET MD THROUGH LOCAL PUSH BUTTON IS PROVIDED. BOOLEAN

67. PROVISION FOR AUTO RESET OF MD AT 24:00 HRS AT THE END OF THE

MONTH IS PROVIDED.

BOOLEAN

68. RTC PREPROGRAMMED FOR 30 YEARS DAY/DATE WITHOUT ANY

NECESSITY FOR CORRECTION.

BOOLEAN

69. THE MAXIMUM DRIFT TIME OF RTC PER YEAR ALL ANTI TAMPER

FEATURES ARE INCORPORATED IN METER AS PER SPECIFICATIONS

BOOLEAN

70. THE TAMPER NO. & TAMPER EVENT IS REGISTERED IN TAMPER EVENT

REGISTER

BOOLEAN

71. THE METER LOGS THE TAMPER EVENT AS PER ANNEXURE A6.1 TO A6.7

OF GUIDELINES OF DATA EXCHANGE FOR ELECTRICITY METER

READING.

BOOLEAN

72. METER DETECTS THE OCCURRENCE AND RESTORATION OF THE

ABNORMAL EVENTS AS PER SPECIFICATIONS.

BOOLEAN

73. THE METER DOES NOT GET AFFECTED BY THE ACTION OF ANY REMOTE

CONTROL DEVICES

BOOLEAN

74. BACK LIT LIQUID CRYSTAL DISPLAY (LCD) OF MINIMUM 7 DIGITS (WITH

INDICATION) AND MINIMUM 10 MM HEIGHT AND WIDE VIEWING ANGLE

IS PROVIDED

BOOLEAN

75. AUTO DISPLAY CYCLING PUSH BUTTON REQUIRED WITH PERSISTENCE

TIME OF 10 SECONDS IS PROVIDED.

BOOLEAN


36/38

76. THE BACK LIT LIQUID CRYSTAL DISPLAY(LCD) IS SUITABLE FOR

TEMPERATURE WITHSTAND OF 70 C

BOOLEAN

77. MD INTEGRATION PERIOD IS 30 MINUTES BOOLEAN

78. AVERAGE POWER FACTOR WITH 2 DECIMAL DIGITS IS DISPLAYED BOOLEAN

79. PROVISION FOR LOAD SURVEY DATA FOR EVERY 30 MINUTES AND FOR

PREVIOUS 60 DAYS FOR SPECIFIED PARAMETERSISMADE.

BOOLEAN

80. PROVISION OF LOAD SURVEY DATA IS ON FIRST IN FIRST OUT BASIS

(FIFO)

BOOLEAN

81. THE MARKING OF METERS IS IN ACCORDANCE WITH IS:14697 /1999

(REAFFIRMED 2004) & BEARS MARKING PURCHASED UNDER R APDRP

SCHEME.

BOOLEAN

82. METER STORES THE NAME PLATE DETAILS AS GIVEN IN THE TABLE

ANNEXURE A5.1 OF GUIDELINE DOCUMENTS

BOOLEAN

83. HAND HELD UNIT (HHU) COMPATIBLE TO THE DLMS COMPLIANT

ENERGY METERS IS PROVIDED

BOOLEAN

84. HAND HELD UNIT(HHU) IS FOR EVERY LOT OF 100 METERS BOOLEAN

85. WHETHER similar typeMETER IS TYPE TESTED BOOLEAN

86. TYPE TEST REPORT NOS TEXT

87. ALL ACCEPTANCE & ROUTINE TESTS AS PER IS146971999 (REAFFIRMED

2004) ARE CARRIED OUT ON THE METER.

BOOLEAN

88. TRANSPORTATION TEST IS CARRIED OUT ON THE METER. BOOLEAN

89. QUALITY ASSURANCE PLAN AS PER SPECIFICATIONS IS ENCLOSED BOOLEAN

90. QUALIFYING REQUIREMENTS BOOLEAN

91. WHETHER BIDDER IS A MANUFACTURER BOOLEAN

92. WHETHER THE BIDDER HAVE ALL THE FACILITY IN HIS WORKS FOR

DESIGN, ASSEMBLY, QUALITY ASSURANCE,BURNING TEST (FULLY

ASSEMBLED ENERGY METER),TESTING (ALL ROUTINE AND ACCEPTANCE

TESTS),AUTOMATIC CALIBRATION OF ENERGY METER ON SOFTWARE

BASED TEST BENCH, QUALIFIED TEAM OF TECHNICAL AND SOFTWARE

ENGINEERS;

BOOLEAN

93. AVERAGE ANNUAL TURNOVER OF THE MANUFACTURER FOR ENERGY

METERS FOR THE THREE (3) BEST FINANCIAL YEARS OUT OF LAST

BOOLEAN


37/38

FIVE(5) YEARS,

94. METER IS GUARANTEED FOR A PERIOD OF 66 MONTHSFROM THE DATE

OF SUPPLY OR 60 MONTHS FROM THE DATE OF INSTALLATION,

WHICHEVER is earlier.

BOOLEAN

95. INHOUSE TESTING FACILITY FOR

A A.C.VOLTAGE TEST BOOLEAN

B INSULATION RESISTANCE TEST BOOLEAN

C ACCURACY REQUIREMENT BOOLEAN

D TEST ON LIMITS OF ERRORS BOOLEAN

E TEST ON METER CONSTANT BOOLEAN

F TEST OF STARTING CONDITION BOOLEAN

G TEST OF NO LOAD CONDITION BOOLEAN

H REPEATABILITY OF ERROR TEST BOOLEAN

I TEST OF POWER CONSUMPTION BOOLEAN

J VIBRATION TEST BOOLEAN

K SHOCK TEST BOOLEAN

L TRANSPORTATION TEST AS PER RELEVANT IS BOOLEAN

M TAMPER CONDITIONSAS PER MSEDCL SPECIFICATION BOOLEAN

N GLOW WIRE TEST BOOLEAN

O LONG DURATION TEST BOOLEAN

P FLAMABILITY TEST BOOLEAN

96. MANUFACTURER HAVE DULY CALIBRATED RSS METER OFCLASS 0.01

ACCURACY.

BOOLEAN

97. TYPE OF BATTERY PROVIDED TEXT

98. PUSH BUTTON ARRANGEMENT FOR ACTIVATION OF INTERNAL

MAINTAINANCE FREE BATTERY IS PROVIDED

BOOLEAN

99. EXTERNAL POWER PACK UNIT PROVIDED IN THE RATIO OF ONE

BATTERY SET PER 50 NOS. METERS.

BOOLEAN

100. FURNISH PRINCIPLE OF OPERATION OF METER OUTLINING THE METHODS

AND STAGES OF COMPUTATIONS OF VARIOUS PARAMETES STARTING

FROM INPUT VOLTAGE AND CURRENT SIGNALS INCLUDING SAMPLING

RATE IF APPLICABLE

TEXT

101. MANUFACTURING ACTIVITIES AS PER TECHNICAL SPECIFICATION

(YES/NO) (DETAILS SHALL BE SUBMITTED SEPARATELY IN A SEALED

BOOLEAN


38/38

COVER ALONG WITH OFFER.)

Documents

87_meters for Distribution Transformer Energy