For Your Safety - WIKA OBSOLETE PS-20 Mode D'emploi

5. For your safety

5. For your safety
Select the appropriate pressure switch with regard to scale range, performance and
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specific measurement conditions prior to installing and starting the instrument.
Observe the relevant
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Warning
directives for special applications (e.g. with dangerous media such as acetylene,
flammable gases or liquids and toxic gases or liquids and with refrigeration plants or
compressors). If you do not observe the appropriate regulations, serious injuries and/or
damage can occur!
Open pressure connections only after the system is without pressure!
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Please make sure that the pressure switch is only used within the overload threshold limit all the time!
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Observe the ambient and working conditions outlined in section 7 „Technical data".
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Observe the technical data for the use of the pressure switch in connection with aggressive / corrosive
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media and for the avoidance of mechanical hazards.
Ensure that the pressure switch is only operated in accordance with the provisions i.e. as described in
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the following instructions.
Do not interfere with or change the pressure switch in any other way than described in these operating
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instructions.
Remove the pressure switch from service and mark it to prevent it from being used again accidentally, if
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it becomes damaged or unsafe for operation
Take precautions with regard to remaining media in removed pressure switches.Remaining media in the
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pressure port may be hazardous or toxic!
Have repairs performed by the manufacturer only.
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WIKA Operating instructions / Betriebsanleitung / Mode d'emploi
national regulations and observe the applicable standards and
PS-20, PS-21
GB
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