Siemens SITRANS TH100 - Page 24

See also
Unsuitable cables, cable glands and/or plugs (Page 31)
SITRANS TF (Page 75)
Safety information for installation in "Non-sparking nA/ec" and "Intrinsic safety ic" (Page 28)
Special conditions for use of SITRANS TF (Page 23)
Basic safety notes (Page 41)
Accessory part sealing plug / thread adapter (Page 93)
WARNING
Incorrect mounting of temperature sensors on SITRANS TF
Risk
of explosion in hazardous areas. If you attach a temperature sensor to an explosion-proof
SITRANS TF enclosure via the cable inlet, you must observe the special conditions.
• Observe the ambient temperature, the type of protection and the electrical data in the
certi󹪝cate of the SITRANS TF device and/or in the chapter Technical data (Page 79).
• The medium temperature in󹪞uences the ambient temperature of the SITRANS TF device. If
necessary, reduce the ambient temperature for the SITRANS TF. Refer to the information on
the nameplate and/or in Technical data (Page 79).
• The installation of a temperature sensor may increase the volume for the pressure-resistant
enclosure.
• Arrange to have the installation of a temperature sensor on a SITRANS TF evaluated by an
accredited approval body.

① Yellow area = additional volume when connecting a temperature sensor to a SITRANS TF double
c
hamber housing
Safety notes
3.3 Use in hazardous areas
SITRANS TH100/TH100Slim/TH320/TH420/TR320/TR420/TF320/TF420
24 Compact Operating Instructions, 07/2021, A5E41865021-AE