Page 37 of 42 pages
ZERO Setting (absolute) of the LEVELTRONIC „NT“ 41 with LEVELMETER 2000 by reversal measurement
Prior to adjusting the zero point, the instrument should be allowed time to acquire the ambient, respectively the
work-piece temperature. Also the measuring system should have been switched on for about 1 min. (for
sensitivity of 1 µm/m about 3 minutes)
Condition:
Only one channel "A" or "B" active to be set to ZERO at a time. Select Channel „A or B“
Chose correct „A“ or „B“
press repeatedly, until the cursor is flashing under SENSOR
confirm selection.
press repeatedly until the required channel, "A" or "B" is displayed, flashing
confirm selection. The Levelmeter 2000 now searches the address of the
instrument connected.
confirm displayed address
Displayed mode changes to ABSOLUTE, respectively to the last set-up mode
Start reversal measurement
press repeatedly until the cursor is flashing under ZERO
confirm (Direction indicator flashing) and the previously stored ZERO offset is
displayed.
place the instrument on the designated position
press HOLD key to register the first measuring value.
The display shows -oooooo- for a few seconds. Then the measured value is
displayed and the cursor under ZERO is flashing again.
Turn the instrument by 180°
press again to register the second measuring value. The display shows -
oooooo- for a few seconds. Then the measured value is displayed and the
direction indicator on the display is flashing.
press ENTER, to accept the correction factor for this reversal measurement
Displayed mode changes to ABSOLUTE
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