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B5 L
INES AND FLATNESS MEASUREMENT
(
MANUAL PROCEDURE
)
A principal procedure of a measurement of a line with WYLER instruments is described below:
Example:
•
Sensitivity of the instrument 1 µm/m
•
Length of measuring base 200 mm/ step length 180 mm
•
The line to be measured must be divided in equal sizes according to the base available (calculated
step length) Overlapping of the steps is important, otherwise measuring errors are inevitable.
•
Place the instrument at the begin of the line measurement
•
Slide the instrument step by step along the line to be measured. Note all the measuring results after
allowing enough settling time. Then the line can be drawn as shown below considering the base length
and the sensitivity of the instrument.
The picture to the left
shows the measurement
of a line using a
BlueLEVEL BASIC
combined with a
BlueMETER BASIC with
integrated radio module
for wireless data
transmission
Measurements on granite surface plates are done with instruments equipped with hardened steel bases with dust
groves. The sharp edges prohibit dust particles to get between the plate and the base when sliding the instrument.
The manual measuring and the computing effort is quite big - if possible at all - and the source of errors is large.
Such a task is best done with the
WYLER LEVELSOFT PRO .