Siemens SITRANS TH100 - Special Conditions for Use of SITRANS TF

WARNING
Use in hazardous area
Risk of e
xplosion.
• Only use equipment that is approved for use in the intended hazardous area and labeled
accordingly.
• Do not use devices that have been operated outside the conditions speci󹪝ed for hazardous
areas. If you have used the device outside the conditions for hazardous areas, make all Ex
markings unrecognizable on the nameplate.
WARNING
Loss of safety of device with type of protection "Intrinsic safety Ex i"
If
the device or its components have already been operated in non-intrinsically safe circuits or
the electrical speci󹪝cations have not been observed, the safety of the device is no longer
ensured for use in hazardous areas. There is a risk of explosion.
• Connect the device with type of protection "Intrinsic safety" solely to an intrinsically safe
circuit.
• Observe the speci󹪝cations for the electrical data on the certi󹪝cate and/or in Technical data
(Page 79).
3.3.1 Special conditions for use of SITRANS TF
WARNING
Special conditions for use of SITRANS TF with 󹪞amepr
oof enclosure "Ex d" type of
protection and "Ex t" dust protection
• 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 sealing plug and the thread adapter (components) can be used for installation in
electrical equipment of 󹪞ameproof "Ex d" type of protection of groups IIA, IIB, IIC as well as
dust protection by enclosure "Ex t" type of protection.
• At ambient temperatures ≥ 60 °C, heat-resistant cables with a temperature rating of at least
20 K above ambient temperature must be used.
• Do not repair 󹪞ameproof joints. Flameproof joints are, for example, threaded inlets for cable
glands.
• Risk of explosion in hazardous areas if electrostatic charges develop, for example, when
cleaning plastic surfaces with a dry cloth. Prevent electrostatic charging in hazardous areas.
Safety notes
3.3 Use in hazardous areas
SITRANS TH100/TH100Slim/TH320/TH420/TR320/TR420/TF320/TF420
Compact Operating Instructions, 07/2021, A5E41865021-AE 23