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Technical DatasheetTD 00056E/24/EN/01.13

• Three buttons for local set-up, via ReadWin® 2000 configuration software or FieldCare

•On-site display•High reproducibility and long-term

stability• Large turndown•Negligible pressure loss

Complete product information:www.e-direct.us/dtt35

Specs at a glance:

•Medium: Liquids•Measuring range:

0.1 to 9.84 ft/s•Medium temperature:

-4 to +185 °F•Process pressure:

0 to 1450 psi (at 20 °C)

Flow switch for monitoring of mass flow in hygienic design

FlowphantTDTT35

$ 427.00

FlowphantTDTT35 2

Overview Technical data Dimensions

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Application / Function

Application The Flowphant T DTT35 is a flow switch (surface quality Ra ≤ 0.8 µm) for monitoring, displaying and measuring relative mass flow rates of liquid media in the range from 0.03 to 3 m/s (0.1 to 9.84 ft/s). Application examples include: Monitoring cooling water circulation systems of pumps, turbines, compressors and heat exchangers and filter monitoring in the beverage industry.

Function The device measures the mass flow of a liquid medium with the calorimetric measurement method. The calorimetric measuring principle is based on cooling a heated temperature sensor. Heat is removed from the sensor by forced convection due to medium flowing by. The extent of this heat transfer depends on the medium velocity and the difference in temperature between the sensor and medium (King’s law). The higher the velocity or the mass flow of the medium, the greater the temperature sensor cooling.

FlowphantTDTT35 3

Application / FunctionOverview

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DimensionsTechnical data

Technicaldata Dimensions(ininches)

InputMeasurement range 0 to 100 %; resol. 1 %; 0.03 to 3 m/s (0.1 to

9.84 ft/s) for liquids

OutputOutput signal 1×PNP, 2×PNP or 1×PNP with analog

output for flow and temperatureVoltage drop PNP ≤ 2 VOverload protection Automatic testing

Performance characteristicsReference conditions According to DIN IEC 60770/61003Measured error Switch point and display 0.2 %Long-term drift ≤ 0.5 % per year under reference operating

conditionsSensor reaction time 6 to 12 sResponse time switch output 100 ms

Operating conditionsMedium temperature -20 to +85 °C (-4 to +185 °F), 130 °C (266

°F) max. 1h (no measuring at temperatures > 85 °C (185 °F))

Ambient temperature -40 to +85 °C (-40 to +185 °F)Degree of protection IP 65 (complete housing)

Power supplySupply voltage Ub 18 to 30 V DC, reverse polarity protectionCurrent consumption Without load < 100 mA at 24 V DC

GeneralEMC Interference emiss. as per IEC 61326 Series,

class B electrical equipment, interference immunity as per IEC 61326 Series, app. A (industrial use) and NAMUR Recomm. NE 21

Operating elements 3 buttons or PC and ReadWin® 2000Materials 316L (process connection, protection tube,

housing)Surface quality Ra ≤ 0.8 µm

ApprovalsDesina compliant, 3A

DB (CLAMP 1")

Ø 1.71Ø 1.99

DL (CLAMP 2")

Ø 2.22Ø 2.52

LL (Varivent N)

Ø 2.68Ø 3.31

B

Ø 3.94Ø 3.23Ø 2.42

PL (DIN 11851)

Ø 2.01Ø 2.68

PH (DIN 11851)

Ø 1.54Ø 2.210.

51

0.51

0.51

LB (Varivent F)

0.71

0.71 0.75

Ø 2.6Ø 1.97

Ø 1.06

Ø 1.73

PG (DIN 11851)

0.39

MB

0.55

SW/AF 22

1.46

G½”

HL (APV-Inline)

1.520.95

3.82

1.66

L L

Ø 1.66

Ø 1.52

Ø 0.24 Ø 0.24

L = sensor length 30 mm, 100 mm (1.18", 3.94")B = hole 6 × Ø 8.6 mm + 2 × thread M8

Installation according to instruction manual.

FlowphantTDTT35 4

Application / FunctionOverview Technical data Dimensions

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Pricetable

Flowphant DTT35 Order no. Price/pcs. in USDLength Electrical Connection Power Supply; Output 1 to 5 6 to 10 11 to 3530 mm Plug M12 18-30 V DC; 1x switch PNP DTT35-A1A111 2AAB 485.00 451.00 427.00

18-30 V DC; 2x switch PNP DTT35-A1B111 2AAB 519.00 483.00 457.0018-30 V DC; switch PNP + 4-20mA DTT35-A1C111 2AAB 597.00 555.00 525.00

Plug ISO4400 M16x1.5 18-30 V DC; 1x switch PNP DTT35-A2A111 2AAB 519.00 483.00 457.0050 mm Plug M12 18-30 V DC; 1x switch PNP DTT35-A1A111 2BAB 485.00 451.00 427.00

18-30 V DC; 2x switch PNP DTT35-A1B111 2BAB 519.00 483.00 457.0018-30 V DC; switch PNP + 4-20mA DTT35-A1C111 2BAB 597.00 555.00 525.00

Plug ISO4400 M16x1.5 18-30 V DC; 1x switch PNP DTT35-A2A111 2BAB 519.00 483.00 457.00100 mm Plug M12 18-30 V DC; 1x switch PNP DTT35-A1A111 2CAB 485.00 451.00 427.00

18-30 V DC; 2x switch PNP DTT35-A1B111 2CAB 519.00 483.00 457.0018-30 V DC; switch PNP + 4-20mA DTT35-A1C111 2CAB 597.00 555.00 525.00

Plug ISO4400 M16x1.5 18-30 V DC; 1x switch PNP DTT35-A2A111 2CAB 519.00 483.00 457.00Plug and cable to be ordered as ‘accessory’* Please add code for process connection.

Accessories Order no. Price/pcs. in USDCable M12x1 l=5m – 5m cable 4x 0.34 mm2, molded PVC angled connector, M12x1 connector screw Cu Sn/Ni, IP67.

51005148 20.00

Configuration kit TXU10-for PC-programmable devices. Set-up programme + interface cable for PC with USB-Port. 4 pin plug + ReadWin® 2000

TXU10-AA 204.00

Socket for plug 4p-125V, 4A-M12 52006263 22.50M12 elbow plug ready for cable, IP67, PG7 51006327 16.00G1/2 metal to metal weld in adapter 60021387 49.00Prices valid until 09.30.2013 in U.S. dollars per unit (not including shipping and applicable sales tax).See Endress+Hauser, Inc. Terms and Conditions of Sale for shipping, tax, and payment terms.

Complete product information:www.e-direct.us/dtt35

*

Process connections

Code ThreadDB Clamp ISO2852 DN25-38, 1-1½"DL Clamp ISO2852 DN40-51, 2”

Moreproductstocompleteyourmeasuringpoint… PressuretransmitterCerabar T PMP135

TemperatureswitchThermophant T TTR35

PressureswitchCeraphant T PTP35

A1

A2A2‘

A3

B

R

2

3

1

4

2

3

1

4

R1

R1

L+

L–

L+

L–1

2

3

3

1

1

2

4

L+

L–

L+

L–

R14…20 mA

Electricalconnection

DC voltage version with M12×1 connectorA1: 1×PNP switch outputA2: 2×PNP switch outputs R1 and (1) (R2)A2’: 2×PNP switch outputs R1 and (1) (diagnosis/break contact with adjustment „DESINA”)A3: PNP switch output, additional analog output

DC voltage version with valve plug M16×1.5B: 1×PNP switch output

Application / FunctionOverview Technical data Dimensions

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Contact

E-directEndress+Hauser, Inc.2350 Endress PlaceGreenwood, IN 46143

Direct order

Internet www.e-direct.usby phone 888- EH-DIRECT

(343-4732)per Fax 317-535-8498E-Mail e-direct@us.endress.com