Static Electricity - WIKA 232.50.100 Manual De Instrucciones

Manómetro modelo 2, ng 100 y ng 160 según atex
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2. Safety

3. Static electricity

- To avoid electrostatic charging, the instrument must be included in
the equipotential bonding of the system. This can be done via the
process connection or other suitable measures.
- The instrument can optionally contain components with a non-con-
ductive surface coating or lining. In such cases, the operator must
take appropriate measures to prevent electrostatic charging.
- Metal components of the instruments (e.g. TAG plates) must be
included in the equipotential bonding of the system during installa-
tion and operation.
4. Adiabatic compression and shock waves
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.
5. Chemical reactions
The operator must ensure that chemical reactions between wetted
parts, process medium and environment are excluded. The materi-
als used can be found in the instrument marking. See chapter 2.5
"Labelling / Safety marks".
On the wetted parts of the instrument, small residual amounts
of the adjustment medium (e.g. compressed air, water, oil)
can adhere from production. With increased requirements for
technical cleanliness, suitability for the application must be
checked by the operator before commissioning.
WIKA operating instructions pressure gauge, model 2 per ATEX
EN
9

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