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English
15 Calibration and Autodiagnosis
Calibration
The holder with the integrated
glass standard is used for
calibration. Always keep the
measurement unit in the holder.
This protects the measurement
optics and ensures that the
standard is always at hand.
If you have several devices of this
type, you must put the unit in the
holder which belongs to the unit
(see the serial number).
Make certain that the standard is
clean and there are no cracks on
it.
When you place the device in the
holder, make certain that it ships
firmly into place.
Autodiagnosis
Whenever you turn on the device
in the holder, it first performs a self-
test. During this test, any changes
in the measurement signal are
tested against saved calibration
data. This allows for a long-term
calibration so that a new calibration
is required only about once a
week. Beyond that, calibration is
only necessary if there are
significant weather changes (see
under Calibrate). It is
recommended that you perform
the self-test in the holder regularly
(every day).
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