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A8 Z
ERO SETTING BY REVERSAL MEASUREMENT
(A
BSOLUTE
ZERO)
Using the reversal measurement is a simple way to determine the exact zero point deviation of the instrument
(which can thus be compensated) as well as the exact inclination of the surface the instrument is placed
X
X
Reversal measurement for determining
I. Zero point deviation of the instrument N
m
II. Inclination of the measured surface N
p
Zero point deviation of the instrument Nm:
Inclination of the measured surface N
p
:
Practical procedure:
Prior to adjusting the zero point, the BlueLEVEL BASIC instrument should be allowed time to acquire the ambient,
respectively the work-piece temperature. In addition the measuring system should be switched on for at least
1 minute (at least 3 minutes for instruments with sensitivity 1 µm/m)
- Slide the instrument onto a flat, horizontally levelled surface (e.g. engineer's surface plate)
- The position of the instrument is to be marked on the surface
Use the key <ON/MODE> on the BlueMETER BASIC to get to the menu point [ABS.ZERO] and confirm with
<ENTER>. The following display is seen:
Use the zapper or confirm with <ENTER>. On the display the progress of the collected values are visible in graphic
form.
When the curve is getting a straight line confirm the first value with the zapper or with <ENTER>