WIKA OLS-F1 Operating Instructions Manual page 8

3. Safety
Improper use is defined as any application that exceeds the technical
performance limits or is not compatible with the materials. Checking
against improper use is the responsibility of the operator.
EN
The liquids must not have any large contamination or coarse
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particulates and must not have a tendency to crystallise. Ensure
that the wetted materials of the switch are sufficiently resistant to
the medium being monitored. Not suitable for dispersion, abrasive
liquids, highly viscous media and colours.
This instrument is not permitted to be used in hazardous areas!
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Do not use in zone 1 or 2 hazardous areas.
The maximum power and voltage values as specified in the
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operating instructions should be adhered to.
Do not operate the instruments in the immediate vicinity of strong
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electromagnetic fields or in the immediate vicinity of equipment
that can be affected by magnetic fields (min. clearance 1 m).
The switches must not be exposed to heavy mechanical strain
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(impact, bending, vibration).
The instrument has been designed and built solely for the intended
use described here, and may only be used accordingly.
The manufacturer shall not be liable for claims of any type based on
operation contrary to the intended use.
8 WIKA operating instructions model OLS-F1