WIKA OBSOLETE PS-20 Mode D'emploi page 13

7. Starting, operation
Specifications
Shock resistance
Vibration resistance
Wiring protection
Short-circuit proofness
■
Reverse polarity protection
■
Overvoltage protection
■
Weight
*) In an oxygen version model PS-21 is not available. In an oxygen version model PS-20 is only available with media temperatures between -4 ... +140 °F / -20 ... +60 °C and
using stainless steel or Elgiloy® wetted parts.
{ } Items in curved brackets are optional extras for additional price.
When designing your plant, take into account that the stated values (e.g.burst pressure, over pressure
safety) apply depending on the material, thread and sealing element used.
Functional test
■
■
■
Warning
When touching the pressure switch, keep in mind that the surfaces of the instrument
components might get hot during operation.
Caution
WIKA Operating instructions / Betriebsanleitung / Mode d'emploi
Model PS-20 / PS-21
g
g
VDC
kg
Open pressure connections only after the system is without pressure!
Observe the ambient and working conditions outlined in section 7 „Technical data".
Please make sure that the pressure switch is only used within the overload threshold
limit at all times!
500 according to IEC 60068-2-27 (mechanical shock)
15 according to IEC 60068-2-26
Sig+ towards U
B-
UB+ towards U
B-
36
Approx. 0.2
(vibration under resonance)
PS-20, PS-21
GB
13