Skilled Personnel - WIKA 632.50 Serie Betriebsanleitung

2. Safety

Skilled personnel

Skilled personnel are understood to be personnel who, based on their
technical training, knowledge of measurement and control technology
and on their experience and knowledge of country-specific regulations,
EN
current standards and directives, are capable of carrying out the work
described and independently recognising potential hazards.
2.4 Safety instructions for hazardous locations
WARNING!
Non-observance of these instructions and their contents may
result in the loss of explosion protection.
WARNING!
It is imperative that the application conditions and safety
requirements of the operating instructions are followed.
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For use in ambient temperatures below the freezing point of
water, filled instruments are recommended. The case filling
prevents the formation of and freezing of condensation in the
case.
Permissible ambient temperature
Model 632.50: -40 ... +60 °C (unfilled)
Model 633.50: -20 ... +60 °C (glycerine filling)
Attention! With gaseous media, the temperature may increase as a
result of compression warming. In these cases it may be necessary to
throttle the rate of change of pressure or reduce the permissible medium
temperature.
10
Pressure gauges must be grounded via the process
connection.
-40 ... +60 °C (silicone oil filling)
Operating instructions capsule pressure gauge, model 63x.50 per ATEX