3. Charge the rechargeable batteries to the full charge level
using the USB cable.
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The calibration is complete, and the charge status
display once again provides correct values.
6.3 Maintenance schedule
Interval Maintenance work Personnel
Daily Clean the device with a microfibre cloth. Operator
Annually Have the device calibrated. Customer Service
Regular calibration of the device ensures that
measurement results are reliable.
We recommend having the device calibrated
and its functionality checked once a year.
Calibration instruction
Fig. 22: Calibration label
24.03.2021 Precision measuring device ChronoMaster / ChronoMaster Air 39