Use In Hazardous Areas - Siemens SITRANS Probe LU240 Compact Operating Instructions

3.3

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
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
SITRANS Probe LU240 with mA/HART
Compact Operating Instructions, 09/2021, A5E42673704-AE
WARNING
accordingly.
hazardous areas. If you have used the device outside the conditions for hazardous areas,
make all Ex markings unrecognizable on the nameplate.
WARNING
circuit.
specifications (Page 47).
Safety notes
3.3 Use in hazardous areas
13