WIKA CPH62I0-S1 Manual De Instrucciones página 19

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6. Commissioning, operation
Activating/deactivating ´TARA´ clears the max- and min-memories.
Zero-Point Adjust: (for gauge pressure sensors only) If there is no pressure applied
to the pressure ports the device should display 0. If there is a perma-
nent offset (and the device is being used under steady conditions),
a permanent zero point adjustment can be carried out. To carry out
the adjustment, press ´TARA´ for approx. 5 seconds. (Please note: A
zeropoint adjustment can only be made if the difference between the
display value and the factory calibration value is less than 2 %! E.g.
for a measuring range of 0 ... 25 bar, => zeropoint adjustment up to
0.5 bar is possible). To revert to the factory calibration, press ´TARA´ for
approx. 15 seconds.
A zero-point adjustment can only be carried out if the difference
between the value on display is less than 500 digits!
If a zero-point adjustment has been made, this will be signalled by the
message "nuLL-Corr" being displayed briefly as the device is turned on.
Differential pressure: Pressing ´SET/MENU´ shows the difference between the
measured values of Channel 1 and Channel 2 (DIF=CH1-CH2) in the
lower display. Pressing it again will hide it (only with the 2-channel
version and when 2 pressure sensors are connected).
WIKA operating instructions, model CPH62I0
GB
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