Use In Hazardous Areas; Use In Flameproof Enclosures "D" And Protection In Enclosures "Tb - Siemens SITRANS T Series Compact Operating Instructions

2.3

Use in hazardous areas

Qualified personnel for hazardous area applications
Persons who install, connect, commission, operate, and service the device in a hazardous area
must have the following specific qualifications:
• They are authorized, trained or instructed in operating and maintaining devices and systems
according to the safety regulations for electrical circuits, high pressures, aggressive, and
hazardous media.
• They are authorized, trained, or instructed in carrying out work on electrical circuits for
hazardous systems.
• They are trained or instructed in maintenance and use of appropriate safety equipment
according to the pertinent safety regulations.
Use in hazardous area
Risk of explosion.
• Only use equipment that is approved for use in the intended hazardous area and labeled
• Do not use devices that have been operated outside the conditions specified for hazardous
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 specifications 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
• Observe the specifications for the electrical data on the certificate and/or in Technical data
2.4

Use in flameproof enclosures "d" and protection in enclosures "tb"

Impermissible repair of explosion protected devices
Risk of explosion in hazardous areas
• Repair must be carried out by Siemens authorized personnel only.
SITRANS TS100/TS200/TS300/TS500/TSinsert/TSthermowell
Compact Operating Instructions, 08/2020, A5E03920348-AF
2.4 Use in flameproof enclosures "d" and protection in enclosures "tb"
WARNING
accordingly.
areas. If you have used the device outside the conditions for hazardous areas, make all Ex
markings unrecognizable on the nameplate.
WARNING
circuit.
(Page 39).
WARNING
Safety instructions
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