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INSTRUCTIONS

TYPE 195 (Big Look Styling)

TYPE 195 AND 196

METER RELAYS

198 Supersedes

and

4556K52-001F 4556K52-001E

GEI-88935

TYPE 196 (Horizon Line Styling)

Fig. 1. GENERAL ELECTRIC METER RELAYS

INTRODUCTION

These instructions cover the in­stallation of General Electric Type 195 (Big Look) Meter Relays in three sizes and Type 196 (Horizon Line) Meter Relays in two sizes.

General Electric Meter Relays consist of two separate units; an indicator set­point unit and a control unit. The in­dicator set-point unit is basically an electric indicating panel instrument, �o which has been added control point in­dication and initiation. The indicator

set-point unit has a control point adjust­ment knob(s), control point indication pointer(s), light switch(es), lamp and light shield. The control unit consists of load relay(s) and supplies power to the lamp and light switch(es) in the indicator set-point unit.

In addition to DC and AC (rectifier) models, pyrometer models can be supplied. Pyrometer models have bi-metal, cold junction compensation and may be supplied with or without a thermocouple break protecting circuit.

These instructions do not purport to cover all details or variations in equipment nor to provide for every possible contingency to be met in connection with installation, operation or maintenance. Should further information be desired or should particular problems arise which are not covered sufficiently for the purchaser's purposes, the matter should be referred to the General Electric Company.

As a measurement, control or protection device or system, customer should note that a failure of this instrument or system for whatever reason, may leave the monitored process unprotected. It is suggested that the customer review the need for further redundant or other alternate me�ms of protection.

GENERAL . ELECTRIC

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Page 2 4556K52-001 Type 195 and rype 196 Meter Relay

SPECIFICATIONS (CONTROL FUNCTION)

ACCURACY: 0

(at 77 F)

Set Point; ± 2% F.S. (referred to indicating pointer)

REPEATABILITY 0. 3% F. S.

VOLTAGE INFLUENCE 0.75% max. change with 10 volt change (from 117V reference)

INDICATING POINTER TRAVEL The indicating pointer will indicate accurately above or below either set-point.

LOAD RELAY

a. Double pole-double throw for each set-point.

b. Rating; S.amps AC non-inductive at 120V; 5 amps DC non-inductive at 28V.

MOUNTING POSITION Indicator Set-Point Unit;

Standard; scale vertical Optional; Any-with special calibration

Control Unit; no position influence

POWER SUPPLY FOR CONTROL UNIT (See note A) Nominal:- 1 17V, 50/60 cps, 7.0 V. A. max for either single or double set-point unit.

Max.: Min. :

127V, 50/60 cps 107V, 50/60 cps

NOTE A: If the load being controlled causes

a voltage drop of more than 2 volts in the voltage supply for the controller, this supply sho�ld come from a different source to eliminate "hunting".

DEAD BAND ±0. 5% F . S.

FREQUENCY INFLUENCE 0. 3% max. change, 60 cps to 45 cps or 60 cps to 65 cps.

CONTROL ACTION

LAMP

Automatic On-Off action (Automatic Reset). If Alarm Action (Manual Reseq is desired the user can con­vert to this by removing jumper wire and add momentary contact or pushbutton switches as shown in fig. 2.

Expected life 5 years.

DIELECTRIC TEST Live parts to face and panel-2600V RMS.

INSTALLATION

MOUNTING

NOTE: All drilling of the panel should be completed before the unit is mounted.

The General Electric Meter Relays are sturdily constructed and will with­stand reasonable amounts of vibration and handling.

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Type 195 and Type 196 Meter Relay Page 3

4556K52-001

The 3 1/2 and 4 1/2 inch sizes may be mounted as a unit (see Fig. 5, 6, 8 and 9) or the control unit may be mounted separately from the indicator set-point unit (see Fig. 7 for separate mounting of the control unit). The 2 1/2 inch size (Big Look Only) re­quires separate mounting of the control unit with a bracket and a connection cable, which are furnished with this size (see Fig. 7).

The indicator set-point unit is of self-shielded construction and may be mounted in magnetic or non-magnetic panels without special calibration.

In cases where panel vibration is of a magnitude to cause false pointer indication, this can usually be elimi­nated by mounting the control unit separately.

CONNECTIONS

Indicator Set-Point Unit

Connections to the circuit being measured ar'e made to terminal studs on the back of the case of the indicator set-point unit (see Fig. 4). The left hand stud (rear view) is always posi­tive. The contact surface of nuts, washers, and cab!

'e terminals must be

thoroughly clean to insure good contact.

Connections between the indicator set-point unit and the control unit are made through a built-in connector and socket as the control unit is mounted to the indicator set-point unit (3 1/2 and 4 1/2 inch size) or by a pre- wired cable assembly for the 2 1/2 inch size.

Control Unit

Terminals for the 117V, 60 cps power supply, for the double pole -double throw relay (one per set point), and for the alarm control action are on the back of the control unit. Each terminal is supplied with a #6-32 pan head machine screw. (See Fig. 3 for terminal layout).

Rev. 9/66

The relay terminals are entirely passive and are completely isolated from either the measured circuit or the power supply circuit. (See Table A and Fig. 2 for relay operation).

ADJUSTMENTS

Adjustment of Indicating Pointer with Zero Adjuster

The following adjustment may be necessary in some cases due to a shift in zero position because of shock in transportation.

The Meter Relay should be in its operating position when any such adjust­ment is made.

A. Electric Quantity Meter Relay

1. Zero on scale - adjust pointer to zero with no power applied.

2. Suppressed Zero - apply end scale power and adjust pointer to correct indica­tion.

B. Pyrometer Meter Relays

1. Without Thermocouple Break Protection - pointer should indicate ambient temper­ature, adjust zero set as required.

2. With Thermocouple Break Protection

a. Control unit unenergized - with or without T/C: - pointer is off scale below zero - do not adjust zero set.

b. Control unit energized without T/C: - pointer is off scale above full scale - do not adjust zero set.

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Page 4 4556K52-001 Type 195 and Type 196 Meter Relay

c. Control unit energized -with adjusted T/C con­nected but at ambient temperature:-· pointer should indicate ambient temperature (after 1/2 hour warm-up) adjust zero set as required.

Adjustment of Thermocouple Resistance

Note: Total thermocouple re­sistance may be equal to or less than the lead resistance printed on the scale of the indicator set-point unit.

A small resistor is mounted on the back of the case of the indicator set­point unit. This resistor is connected in series with the thermocouple and its resistance is adjusted until the re­sistance of the thermocouple plus re­sistor is equal to the lead resistance printed on the scale of the indicator set-point unit. (See Fig. 4. )

A. Method of Adjustment

Connect negative (-) thermo­couple wire to the smaller of the t',.,O. terminals which support the resistor. Connect an ohmmeter to the larger of the two terminals, which support the resistor, and to the positive (+) thermocouple wire.

DO NOT connect the positive (+) thermocouple wire to the instru­ment until resistance adjust­ment is complete.

The resistor is a double wound, pull off style of approximately 10 ohms. Wire can be removed from the body of the resistor without unsoldering. Re­sistance of the thermocouple-resistor combination is reduced by unwrapping t�e looped end of wire from the re­sistor and shorting between the wires. Continue to remove wire and shorting between the wires until the resistance of the thermocouple and resistor equa,ls the resistance specified on the scale.

Connect the positive (+) thermo­couple wire to the positive (+) terminal

of the indicator set-point unit.

ADJUSTMENT OF CONTROL POINT

This adjustment is made using the knob(s) mounted on the cover of the indi­cator set-point unit. The setting of the control point(s) is indicated by the position of the set pointer. Control will occur as the indicating pointer matches the set pointer(s).

The set pointer(s) may be adjusted to any position, from zero to full scale, and do not interfere in any way with the movement of the indicating pointer. Double set-pointers may be positioned to within two angular degrees of each other which is approximately 2% of full scale. Unless otherwise specified on the order,, the operation of the set-points may over­lap when the set points are brought to their minimum mechanical distance apart.

For best accuracy, allow at least 10 minutes warm-up (with lamp energized) before making final set-point adjust­ment. This improves the accuracy ap­proximately 0. 5%. To check set-point accuracy; a ll7V, 60 cps supply must be used.

MAINTENANCE

To clean the plastic window, wash it with soap and water. To remove grease or oil, use kerosene sparingly. DO NOT use acetone, benzene, carbon tetrachloride, fire-extinguisher fluids, lacquer thinners, or window �prays con­taining these solvents, since they will smear or soften the window.

It is recommended that the window be wiped or blotted periodically with a clean damp chamois. Do not rub the window with a dry cloth as this is like­ly to cause scratches and to build up an undesirable electrostatic charge which wlll cause erroneous readings. After cleaning, an antistatic agent, such as GE Spec. No. ASOW321, should be applied to the window to neutralize any electro­static charges present.

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Type 195 and Typ� 196 Meter Relay Page 5

4556K52-001

PARTS REPLACEMENT

Lamp - Cat. No. 4868K32-001 (See below)

In the event of lamp failure, the lamp may be removed by removing control unit, loosening the two screws at the rear of the indicator set-point unit, then rotate the lamp cover and pull out the lamp holder. (See Fig. 4.) Re­place the lamp with GE Cat. No. 4868K32-001 (Purchase from Instrument Dept., General Electric Company, 40 Federal Street, W. Lynn, Mass. only) .

To arrange for other repairs, con­sult the nearest General Electric sales office.

TABLE A MODE OF OPERATION OF RELAY( a)

lnst. Pointer Relative to High Set Low Set Set Points Point Relay Point Relay

Downscale from Energized De-energized Set Point

Between Set Energized Energized Pointers

Upscale from De-energized Energized Set Point

**As a general rule select conductor size so that resistance of each con­ductor is 0.1-ohm or less. The fol­lowing table lists some possibilities.

AWG. SIZE MAX . CABLE LENGTH

18 19 feet 20 12 feet 22 7 feet 24 4.5 feet 26 3.0 feet

Rev. 10/68

ACCESSORY FOR REMOTE MOUNTING OF CONTROL UNIT

Cat. No. 1012Kl0G700** Includ es plug, socket, connection d iagram, bracket and hardware-­customer can make cable of any desired length by sold ering in­sulated wires to plug and socket.

Cat. No. 1012Kl0G701* Includes 6 ft. cable with plug and socket connectors attached, plus bracket and hardware.

*Cable assembly, br�cket and hardware (Cat. No. 1012Kl0G701) is furnished as standard equipment with the 2 1/2" meter relay.

l«lKNTARI' OOHTACT SWITCHES

j_ _l_ ' ,-o o-,-o � HICH SET POINT! __ J___ iww SET POINT

\

RE�U -:� ' Jl.tt'ER

__ ...__ __ ��ANDR�;�'!tu

I ZOV AC

ADDED fOR ALAIUI CONTROL

Fig. 2. External Connections (Cont. Unit)

NOTE: Relays shown de-energized (no power to instrument) www .

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Page 6 4556K52-001 Type 195 and Type 196 Meter Relay

t--.!50 typ,

No.S-32 pan hd. scr.

Fig. 3. Rear view of control unit show· ing spacing of screw- type connections

l ,.-.s73"'mo• -1. j si'•o2"'

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I /tt•J8 lilf2A THO. FOJI; J 1/2" MD It 1/Z" MI:T£RS

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(05.-,J.--- N[G, ![IU4. 'Oil • IH[JUiocOW'U 16-)ZNC2\ TM'D

• FOR ,TitOf'IUEilS C*LT

Fig. 4. Typical rear view of indicator set-point unit

Panel drillinQ and cutout

Fig. 5. Outline and panel cut-out dimensions for Type 195 meter relay, 4 1/2-inch with control unit piggy-back mounted.

�----�----r----.--. I

Panel drillinQ and cutout

Fig. 6. Outline and panel cut-out dimensions for Type 195 meter relay, 3 1/2-inch size, with control unit piggy-back mounted.

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Type 195 and Type 196 Meter Relay Page 7

455 6 K5 2-001

•

•.006" t-1.250"1

P-�.157"•.003"

I (4 holes)

''Ii.-i Panel drolltnQ lor mountino bracket

r-- 3.625"mo•- --1

r- .478" �o• :. -1 r.so •.oz

, No.4·40NC·2A ( 3studsl

I I M ethode cop No. C850ill: wolh socket No. SJ·I50

.140"doo<No.28 dr•l) 3 holes Panel drotlin; ond cutout

lor meter

2.760'inaa

11 1 No.G·3�

.1ir. hd.sc:-'r

� - 4.285 max - _:_..j

Fig. 7. Outline and panel cut-out dimensions for Type 195 meter relay, 2 1/2-inch size, control unit remote mounted as required due to small-size indicator set-point unit. (This Figure shows remote mounting of control unit for both Type 195 and Type 196 meter relays, as desired.)

Panel 0 203"moa thk

f / I :o 004"cr.o

-rt§3 312 !0�::�0003

" .

!0005" _0.157 2 !8dG � . .� dr�ll 2 hares

m•n •o ¥--

j Panel drdhn;

Fig. 8. Outline and panel cutout dimensions for Type 196 meter relay, 3 1/2-inch size, front mounted.

Panel cut· out

Oescrtplton

F tnqer Odf knOb Screw drtver odj knob

--Hole s•ze

0 25

0 38

v .... of Dock of panel MTG wtll'l screw dr tver OdJ knob

Fig. 9. Outline and panel cutout dimensions for Type 196 meter relay, 3 1/2-inch size, built-in.

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Page- 8 4556K52-00 1 Type 195 and Type 196 Meter Relay

t-- 0 831 .. "'101

��, Panel 0 ?OJ rTOQr fh"

3 !>()()'' 10 006 • .., 1.750"10.003"

110145"..,a• . 1q .... ...- Po,�l 0 20.3 moo tM

i1 rNo 6 32NC 2AI2Siud•l

r--+---::=-+-.... I

Po,..tl drllhnq

0 1!>7" !0004" d•a drdl 2-holts

V•ew ol bock of panel "-'TG wtfh screw dnver Odf ll.nob

Fig. 10. Outline and panel cutout dimensions for Type 196 meter relay, 4 1/2-inch size front mounted.

Fig. 11. Outline and panel cutout dimensions for Type 196 meter relay, 4 1/2-inch size, built-in.

(Rtloy lhown dt·tntr91Zed-·lndlcotlnt pointer at, or above, tilt ttt pointer.)

CONTROL UNIT

-, I I

-e::i=NC S

ARM(COMMON)

OR OTHER INPUT t o 12 NO

I LIGHT I ACTIVATED I SWITCH I

I PLUG AND

��g����TDR I +

5 NC .

� ARtoi(COMMON)

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.. � -!<}- +----+-�:ll--. R :

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120 VOLTS 50/60 CYCLES

17 TRANSFORMER

Y, Units are shipped from factory with jumper wire across terminals 1 and 2 which provides on/off (automatic reset) control action; for alarm type (manual reset) control action, remove jumper and substitute switch as shown.

t Thermocouple-break circuit (if 1upplied) .ia ahown by - - lines.

Fig. 12. Schematic for meter relay, single (high) set-point

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Type 195 and Typ� 196 Meter Relay

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WITH IIHIOSTAT liUMAL ,011 I"AIIAT£ IIDI.IITI"' IY CUITOM.£11.

Page 9 4556KS2-001

INOICATOII (IAC�YI£11)

IN TUNAL IIH£0STAT

WITH CONTROL UNIT DISCONNICTlD

Fig. 13. External connections of Meter Relay with current transformer

Fig. 14. External connections of Meter Relay with rheostat

�--�-�/!8 J -DI !2. DIA.

16 MAX

� 3/8-32 N ,E ,F-2 THO.

Fig. 15. Dimensions of external rheostat for meter relay

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lOCATION Albany, N'. Y. 12206

Alientown. Pennaylvanla. 11100

C41'4IILIT'I' AIE4 DESIGNATION COD(

518 215

DAT I'HONf •�11-4110 or 4111

DIAl ADDIUS COMM CODf

1097 Central Avenue 1'231-1121 8!18 Eut HIRhland St. 8'�43-7217

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----�-G50 Third Ave. 8'3�311 <Duluth I Weat Duluth, Minn. 6M07 218 828-� P 0. Box 7198 8'326--1:144 ---- -------------- -

-- ----P'IInt. Mleh. 48ao.5 313 785-783G J!l()S East Carpenter Road 8'361--31111 Jl't. Wayne, Ind. 4!1100 -- --:l-19----,-4- 2--G-4-M --------17ll·Edaa--ll A�-e-. --------..,..---a:c,:-: 3::2:2-:=--:::211:::7:::4:----

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-- ------Indlanapolla. Ind. 4822 AC 317 639·158� JaciUon vtlle Fla. 32203 ABC 904 358·152:1

5634 Harvey Wllaon Drive 8'35-.q411 or-+U2 --- --- -------------- ..

1740 W. Vermont St. 8'33�2287 P 0. Boa :JIIIG2. 20'l0 W. Braver St. 8'283--32811

Johnatown. Pa. 15902 814 �8-7828 841 Oak St. 8'� Kansas City. Mo. &4120 AC 818 VIetor 2·11745 �25 Gardner Ave. 8'32:1�112 Loa Angeles, Call!. 90001 ABCD 213 Plouant 2-813_8

__ __ _ 6_900 Stan !ord _A

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7_04-'- South Johnston St. N'ot on DIAL COIOl

Milwaukee. Wloc. 53207 414 482-4200 23S ·w.o-ak_l_ a -hom_a _

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N- .-..,-0-r-le-a�L:.;'. 70114 -

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AC Mil 387-852R _______ ,,-i5o; A,.--;,�-8-tr-ee _t_ ---------:8:-:,-:28-:-::-�--:ll:-:1-:83:::------ -- --- · -- ----:---(New YOI'k 1 North Bergen. N. J: 07047 ABCD 201 Union 6-2181 I HJ 1 0001 Tonne lie Ave.

212 Oxford 5-0060 !HYJ ------- - .----- -----· - -- - ------ ---�

------- - - -Oakland. Call!. 94608 41� 653-11 474 3400 Wood St. 8'422-G011 ---- ------ - ··--------------------- - ------- --- ------ ---- - -

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Richmond. Va 23324 Hoanoll:e, Va. 2400'7

AC 703 703 342-811131

· ·-- ------· -·- - - - --------- -------- --- ----·

1403 Ingram Ave. 8'273-7183 -----.-P -.o-. :a-;;a-,-:n-,- -------- a ·:lTl-==---::-70::-1-:-1---115 Albermarle Ave .. S.JI!. Ask ror 342-1131

Sacramente, Calif 95814 918 442-4775 99 North 17th St. 8'422-1011 St !..outs, Mo. �3110 -

-

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C41'AIIliTY DESIGN4TIONS A-Eiectrle MeL'IUrlng Devle ..

8-Electronle Measuring Devleea C-Proe .. .a Control o-<:omputer Component Bevlelng _

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