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11041781.04 01/2020 EN/DE
Pressure gauge with reed contact model 851-A, for Ex areas
EN
3.2 Intended use
These instruments are used to control process values and to
monitor plants in industrial applications. The contact pressure
gauge with model 851-A reed contact(s) displays the process
pressure on site and opens/closes circuits at defined pressure
values.
The instrument offers many application possibilities for gaseous
and liquid aggressive media that are not highly viscous or
crystallising.
Only use the instrument in applications that lie within
its technical performance limits (e.g. temperature limits,
material compatibility, ...).
→ For performance limits see chapter 9 “Specifications”.
The instrument has been designed and built solely for the intend-
ed 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.
3.3 Improper use
WARNING!
Injuries through improper use
Improper use of the instrument can lead to hazardous
situations and injuries.
▶
Refrain from unauthorised modifications to the
instrument.
▶
Do not use the instrument with abrasive or viscous
media.
Any use beyond or different to the intended use is considered as
improper use.
3. Safety
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