Safety notes
2.4 Loss of safety of device with type of protection "Intrinsic safety Ex i"
Venting Gauge Block Installation Instructions
Hardware Installation Manual, 12/2014, A5E34388399-AD
9
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.
Unsuitable device for the hazardous area
Danger of explosion.
• Only use equipment that is approved for use in the intended hazardous area and
labelled accordingly.
Loss of safety of device with type of protection "Intrinsic safety Ex i"
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 danger of explosion.
• Connect the device with type of protection "Intrinsic safety" solely to an intrinsically safe
circuit.
• Observe the specifications for the electrical data on the certificate and/or in Chapter
"Technical data".
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