Siemens SITRANS T Series - Test Terminals

4.2.6 Test terminals
Description
The test terminals allow for direct measurement of the loop current without impairing the loop
integrity. When using the test terminals, the temperature transmitter must be connected to the
power supply.
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Figure 4-6 Test terminals
Warning! Only use certi󹪝ed testing devices for installation in hazardous areas.
Description
4.2 SITRANS TH320/TH420
SITRANS TH100/TH320/TH420/TR320/TR420/TF320/TF420 with 4 to 20 mA/HART
38 Operating Instructions, 05/2020, A5E41864807-AB