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Pressure switch, high adjustability of switch differential
EN
For process industry
Model PS-900
Operating instructions
Contents
© 2022 WIKA Alexander Wiegand SE & Co. KG
All rights reserved.
Prior to starting any work, read the operating instructions!
Keep for later use!
WIKA Instruments India Pvt. Ltd.
128 SIDCO North Phase
Ambattur Industrial Estate, Chennai 600 098
Tel.
+44 2625 2017 / 2018 / 9840919318
switch.sales@wika.com
www.wika.co.in
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Summary of Contents for WIKA PS-900
- Page 1 6. Faults 7. Maintenance and cleaning 8. Dismounting, return and disposal 9. Specifications © 2022 WIKA Alexander Wiegand SE & Co. KG All rights reserved. Prior to starting any work, read the operating instructions! Keep for later use! WIKA Instruments India Pvt. Ltd.
- Page 2 2.2 Description product contrary to its intended use, non-compliance with these operating instructions, The pressure element of the model PS-900 is a resilient bellow from stainless steel which assignment of insufficiently qualified skilled personnel or unauthorised modifications to works against a spring mechanism with an adjustable pre-load force. On the spring the instrument.
- Page 3 3.2 Intended use Depending on the version, the model PS-900 mechanical pressure switch is fitted with an SPDT or DPDT switch contact and is used in industrial control, monitoring and alarm applications. The switch point can be specified by the customer on site. Depending on the version, the instrument can switch electrical loads of up to AC 250 V, 15 A.
- Page 4 The tightening torque is dependent on the selected process connection. After screwing in, make sure that no damage or cracks have occurred at the process ■ connection. WIKA operating instructions, pressure switch, high adjustability of switch differential, model PS-900...
- Page 5 4. After setting, refix the locking device back in position to prevent unauthorised adjustment of the setpoint. For instruments with adjustable switch differential directly in the connection, follow the instructions in the next chapter WIKA operating instructions, pressure switch, high adjustability of switch differential, model PS-900...
- Page 6 ■ Vibrations Decouple the instrument aid, support for objects) mechanically. Short circuit Moisture in the Only use in ambient conditions instrument. for which the ingress protection is suitable. WIKA operating instructions, pressure switch, high adjustability of switch differential, model PS-900...
- Page 7 Strictly observe the following when shipping the instrument: 2. Use the requisite protective equipment. All instruments delivered to WIKA must be free from any kind of hazardous substances 3. Clean the instrument with a moist cloth. (acids, bases, solutions, etc.) and must therefore be cleaned before being returned.
- Page 8 Set and reset point of the switch should not exceed the upper and lower range limits. Maximum working pressure that the sensor element can withstand without suffering any permanent damage. The instrument might have to be calibrated afterwards WIKA operating instructions, pressure switch, high adjustability of switch differential, model PS-900...
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