WIKA PSM-700 Operating Instructions Manual
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WIKA PSM-700 Operating Instructions Manual

Pressure switch, high adjustability of switch differential for the process industry
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Enlarged version
Pressure switch, high adjustability of switch differential
For the process industry
EN
Model PSM-700
Operating instructions
Contents
Declarations of conformity can be found online at www.wika.com.
© 02/2019 WIKA Alexander Wiegand SE & Co. KG
All rights reserved.
WIKA
is a registered trademark in various countries.
®
Prior to starting any work, read the operating instructions!
Keep for later use!
WIKA Alexander Wiegand SE & Co. KG
Alexander-Wiegand-Straße 30
63911 Klingenberg • Germany
Tel.
+49 9372 132-0
Fax
+49 9372 132-406
info@wika.de
www.wika.de

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Summary of Contents for WIKA PSM-700

  • Page 1: General Information

    6. Faults 7. Maintenance and cleaning 8. Dismounting, return and disposal 9. Specifications Declarations of conformity can be found online at www.wika.com. © 02/2019 WIKA Alexander Wiegand SE & Co. KG All rights reserved. WIKA is a registered trademark in various countries.

  • Page 2: Design And Function

    2.2 Description instructions, assignment of insufficiently qualified skilled personnel or unauthorised The pressure element of the model PSM-700 is a resilient bellow from stainless steel modifications to the instrument. which works against a spring mechanism with an adjustable pre-load force. On the spring mechanism there is a contact arm for actuating the switch contact.

  • Page 3: Safety

    Product label (example) 3.2 Intended use Depending on the version, the model PSM-700 mechanical pressure switch is fitted with an SPDT or DPDT switch contact and is used in industrial control, monitoring and alarm PSM - 700 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: Transport, Packaging And Storage

    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 PSM-700...
  • Page 5 For instruments with adjustable switch differential directly in the connection, follow the 5. Close the cover again and fix it with the instructions in the next chapter. 4 supplied screws. WIKA operating instructions, pressure switch, high adjustability of switch differential, model PSM-700...

  • Page 6: Faults

    Pressure surges must be avoided at all costs, open the shut-off valves slowly. ■ duration opening and The instrument must not be subjected to any external loading (e.g. use as a climbing ■ closing). aid, support for objects). WIKA operating instructions, pressure switch, high adjustability of switch differential, model PSM-700...

  • Page 7: Commissioning, Operation

    Strictly observe the following when shipping the instrument: Electrical connections must not come into contact with moisture! All instruments delivered to WIKA must be free from any kind of hazardous substances (acids, bases, solutions, etc.) and must therefore be cleaned before being returned.

  • Page 8: Specifications

    3) The difference between the switch point and the reset point is also known as switch hysteresis For further specifications see WIKA data sheet PV 35.05 and the order documentation. WIKA operating instructions, pressure switch, high adjustability of switch differential, model PSM-700...

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