5 Maintenance
Mechanical pressure gauges are maintenance-free.
The measuring accuracy (as defined per DIN EN 837) of the pressure gauge should be
checked regularly. Inspection or recalibration should only be performed by trained, qualified
personnel with suitable equipment.
Caution:
If the pressure gauge is being used to monitor
hazardous substances
such
as oxygen, acetylene, flammable or combustible materials, or poisonous materials
and/or being used in
refrigeration systems, compressors
, etc., then the regulations
applying in such cases must be also be observed in addition to the ones generally
applicable. Be sure to take appropriate precautions and follow proper safety
procedures.
PMR06-~1.SAM
18.05.06 Page 4
