EN 9
layer thickness measuring device BB20
General information on measurements
If the calibration has been carried out correctly, the measured
value lies within the guaranteed measuring tolerance. Incorrect
measured values can be deleted in the menu. The last value
results from the statistical calculation and the guaranteed
degrees of tolerance of the measured value.
Strong electrical or electromagnetic fields can influence the
measured values.
The measuring tip is to be cleared of contamination prior to
each calibration.
Wait for at least 4seconds after each measurement before
proceeding to the next measurement as the device does not
respond to measurement sequences carried out too quickly.
Deleting functions
In order to delete measured values, select Delete in the menu,
then select the measured values you would like to delete.
• Current Data
Deletes the last measured value.
• All Data
All data can be deleted during the respective working
mode.
• Group Data
Comprises Delete all data. In addition, the limit values and
one-point and two-point calibration values will be deleted.
Limit value functions
Limit values can be entered using the Limit function. It is
possible to enter limit values before, during or after carrying out
measurement series.
1. Press the Red button(9) to open the main menu.
2. Select the Limit menu item, then select Limit setting.
ð Using the (3) and (8) buttons, you can
determine the upper limit value in the High limit section
and the lower limit value in the Low limit section.
Each measured value beyond the fixed tolerance limit appears
on the display as follows:
H: Measured value is above upper limit value.
L: Measured value is below lower limit value.
Statistical measurements
The device is able to calculate statistics based on
80measurements. A total of 400measured values can be
saved.
No measured values are saved in direct mode, however,
calculating statistics is possible.
If you change between the different working modes or if the
device is switched off, statistics are deleted from the direct
mode.
The following statistical values are calculated:
• NO.: Number of measured values in working mode
• AVG: Average
• Sdev.: Standard deviation
• MAX: Maximum value
• MIN: Minimum value
Memory space full
If the memory space is full in group mode, statistics will no
longer be updated. However, measurements can still be carried
out. These measurements will not be part of the statistics.
In single measurement mode, FULL appears on the display.
If the memory space is full in direct mode, old measurements
are replaced by new ones and statistics will be updated.
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