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Pt100, temperature difference t, Potentiometer, 3 wire connection, Potentiometer, 4 wire connection – KROHNE OPTITEMP TT 31 R EN User Manual

Page 11: Thermocouple, Voltage

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02/2011 – 4000753501 – MA OPTITEMP TT31CR R01 en

www.krohne.com

11

4.2 Connections, measuring input

The input and output signals and the supply voltage must be connected in accordance

with the following illustrations.

To avoid measuring errors, all cables must be connected

properly and the screws tightened correctly.

Figure 2: Installation diagram TT 31 R

1

Pt100, Pt1000, Ni100, Ni1000, 4 wire connection

2

Pt100, Pt1000, Ni100, Ni1000, 3 wire connection

3

Pt100, temperature difference T

1

>T

2

4

Potentiometer, 3 wire connection

5

Potentiometer, 4 wire connection

6

Thermocouple

7

Voltage