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10. Calibration
9.1 Zero adjustment
Zero adjustment for `Fe` and `NFe` should be carried out separately. The iron base
plate has to be used if `Fe` is being displayed. The base plate of aluminium has to be
used if `NFe` is shown on the display. The sensor 3-1 has to be placed carefully onto
the base plate. Zero-key 3-3 has to be pressed and "0" will be displayed, without lifting
the sensor before.
Attention: The calibration is invalid if the sensor is not directly placed onto the
base plate or another uncoated material.
9.2 An appropriate calibration foil has to be selected according to the measurement
range.
9.3 The selected standard foil has to be placed onto the base plate or the uncoated
standard material.
Annotation: Please place the sensor at least with 3mm distance from the border of the
base plate.
9.4 The sensor 3-1 has to be pressed carefully onto the calibration foil and then lifted.
The reading on the display is the value measured.
This can be corrected by pressing the Plus- key 3-4 or the Minus- key 3-5 while the
sensor is removed from the base plate or the measured object.
9.5 Step 9.4 has to be repeated until the desired accuracy is achieved.
11. Battery replacement
10.1 If the battery symbol ``+/-`` appears on the display, batteries should be replaced.
10.2 The battery cover 3-9 has to be removed and batteries have to be taken off.
10.3 The batteries (2x1.5V AAA/UM-4) are to be installed correctly into the case, taking
care of polarity.
10.4 If the instrument is not to be used for an extended period of time, batteries have
to be extracted.
12. Adjustment foils
8
TG_TF-BA-e-2020
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