WIKA CPH6600 Betriebsanleitung Seite 36

6. Commissioning, operation
4. The top of the display will indicate "CLOSE".
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5. Apply pressure with the pressure side slowly until the pressure switch opens.
6. Once the switch is open, "OPEN" will be displayed; bleed the pump slowly until the
pressure switch closes.
7. In the top display it will now read "SW OPENED AT" and give you the pressure at
which the switch opened.
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In the switch test mode the display update rate is increased to help
capture changing pressure inputs. Even with this accelerated sample
rate the device under test should be charged slowly with pressure in
order to ensure accurate readings.
WIKA operating instructions, model CPH6600