Siemens SITRANS P Compact Operating Instructions page 9

Use in hazardous area
Risk of explosion.
● Only use equipment that is approved for use in the intended hazardous area and labelled
● Don't use devices that have been operated outside the conditions secified for hazardous
See also
Technical specifications (Page 29)
Loss of safety of device with type of protection "Intrinsic safety Ex i"
If the device has 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 LH300 Transmitter for Hydrostatic Level
Compact Operating Instructions, 01/2019, A5E37897183-AC
WARNING
accordingly.
areas. If you have used the device outside the conditions for hazardous areas permanently
make all Ex markings unrecognizable on the nameplate.
WARNING
circuit.
specifications (Page 29).
Safety instructions
2.4 Use in hazardous areas
9