Siemens SITRANS VP300, Руководство по эксплуатации, Страница: 15 / 190

Safety instructions
2.4 Use in areas subject to explosion hazard
SITRANS VP300 with or without HART
Operating Instructions, 03/2011, A5E01258666-03
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2.4 Use in areas subject to explosion hazard
Qualified personnel for hazardous area applications
Persons who install, assemble, 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 and
aggressive as well as 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.
WARNING
Unsuitable device for the hazardous area
Danger of explosion.

Only use equipment that is approved for use in hazardous area and labelled
accordingly.

Make sure that the device is suitable for the area of use.
WARNING
Loss of the safety of the device with type of protection "Intrinsic safety Ex i"
If the device has already been operated in non-intrinsically safe circuits or with a higher
voltage, the safety of the device is no longer ensured for use in hazardous areas. There is a
danger of explosion.

Connect the device in "intrinsic safety" type of protection solely to an intrinsically safe
circuit.

Observe the specifications for the electrical data in the certificate and in the Chapter
"Technical data (Page 155)".