WIKA operating instructions pressure gauge, model 4 per ATEX
6
2080276.08 08/2019 EN/DE
EN
On the wetted parts of the instrument, small residual amounts of the adjust-
ment medium (e.g. compressed air, water, oil) can adhere from production.
With increased requirements for technical cleanliness, suitability for the appli-
cation must be checked by the operator before commissioning.
2.3 Personnel qualification
WARNING!
Risk of injury should qualification be insufficient!
Improper handling can result in considerable injury and damage to property.
▶
The activities described in these operating instructions may only be carried
out by skilled personnel who have the qualifications described below.
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, current standards and directives, are capable of carrying out
the work described and independently recognising potential hazards.
Special knowledge for working with instruments for hazardous areas:
The skilled personnel must have knowledge of ignition protection types, regulations and
provisions for equipment in hazardous areas.
2.4 Specifications and temperature limits
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
EU-type examination certificate are followed.
▶
Instruments must be grounded via the process connection.
Permissible ambient temperature
-20 ... +60 °C
-40 ... +60 °C
(optional, only with silicone oil filling)
Permissible medium temperature
-20 ... +100 °C
-20 ... +200 °C
(optional, unfilled instruments or with silicone oil filling)
The permissible medium temperature does not only depend on the instrument design, but
also on the ignition temperature of the surrounding gases, vapours or dusts. Both aspects
have to be taken into account.
2. Safety
Summary of Contents for 4x2.30.1x0 Series
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