Samson Media 7 5007-1, Монтаж и эксплуатация

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EB 9510 EN 10-3
Servicing
by the manufacturer. Specify the type and
serial number on ordering the device.
Devices that have already been operated
outside hazardous areas and are intended
for future use inside hazardous areas must
comply with the safety requirements placed
on serviced devices. Before being operated
inside hazardous areas, test the devices ac
-
cording to the specifications for servicing ex -
plosion-protected devices.
Devices delivered without an intrinsically
safe power supply unit must not be put back
into operation in hazardous areas until a
qualified inspector or the manufacturer has
tested it.
Maintenance, calibration and work on
equipment
Î
Interconnection with intrinsically safe
circuits to check or calibrate the
equipment inside or outside hazardous
areas is to be performed only with
intrinsically safe current/voltage
calibrators and measuring instruments to
rule out any damage to components
relevant to explosion protection.
Î
Observe the maximum permissible
values specified in the certificates for
intrinsically safe circuits.
10.2 Periodic inspection and
testing of the differential
pressure meter
We recommend inspection and testing ac -
cording to Table 10-1 at the minimum.