HND-P231/-233/-236/-239
HND-P231/-233/-236/-239 K05/0422
page 7
1)
Zero-Point Adjustment:
If there is no pressure or zero-pressure (absolute)
applied to the pressure ports the device will display 0. If there is a permanent
deviation (and device is operated under steady conditions), a permanent zero
point adjustment can be carried out. To carry out the adjustment press button 3
for approx. 5 seconds (Auto Null will be displayed shortly). The adjustment is
done via the OFFSET-value of the sensor (referring configuration menu).
To recall the manufacturer’s calibration press button 3 for approx. 15 seconds.
Please Note: 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 was carried out the display shows
”Corr” after a restart .
7.5 Operation
After turning on
, if the logger function is not off, the time of the integrated clock
will shortly be displayed. If a zero point adjustment was carried out the display
shows shortly „nuLL Corr“.
After changing the battery
the clock-setting menu is activated automatically
(‚CLOC‘). Check the clock and adjust, if necessary (p.r.t. chapter 7.7).