WIKA PS-21 User Manual

2301300.07 EN/DE/FR 12/2017
6
WIKA Operating instructions / Betriebsanleitung / Mode d'emploi PS-20, PS-21
6. Packaging / 7. Starting, operation GB
6. Packaging
Has everything been supplied?
Check the scope of supply:
■
Completely assembled pressure switches; with flush version PS-20 including pre-assembled
sealings and protection cap.
■
Inspect the pressure switch for possible damage during transportation. Should there be any
obvious damage, inform the transport company and WIKA without delay.
■
Keep the packaging, as it offers optimal protection during transportation (e.g. changing installation
location, shipment for repair).
■
Ensure that the pressure connection thread and the connection contacts will not be damaged.
In order to protect the diaphragm, the pressure connection of the instrument PS-21 is provided with a special
protection cap.
■
Remove this protection cap only just before installing the pressure switch in order to prevent any
damage to the diaphragm or the thread.
■
Keep the protection cap of the pressure connection thread and the diaphragm for later storage or
transport.
■
Mount the protection cap when removing and transporting the instrument.
7. Starting, operation
Required tools: wrench (flats 27 or 41), screw driver
Diaphragm test for your safety
It is necessary that before starting the pressure transmitter you test the diaphragm visually, as this is a safety-
relevant component.
■
Pay attention to any liquid leaking out, for this points to a diaphragm damage.
■
Check the diaphragm visually for any damage (PS-21).
■
Use the pressure switch only if the diaphragm is undamaged.
■
Use the pressure switch only if it is in a faultless condition as far as the safety-relevant
features are concerned.
!
Warning

WIKA PS-21 Specifications

General

Brand	WIKA
Model	PS-21
Category	Switch
Language	English