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5 Maintenance and service
5.1
Battery
The device has a built
-
in rechargeable battery. Make sure that the device is
stored only with a fully charged battery (lead acid battery) or at about 30%
level for the lithium battery version. After a storage period of three months or
longer, the battery should be recharged to avoid a reduction in lifetime.
The battery will charge when the plug
-
in power supply is connected to the de-
vice. It is not necessary to switch the device on. An empty battery is complete-
ly charged after about 14 hours of charging time.
If the battery needs replacement, please contact Gigahertz
-
Optik GmbH to
obtain a replacement and replacement instructions in case of the lead acid
battery. The lithium battery version needs to be repaired by Gigahertz
-
Optik
GmbH.
Obey national environmental laws when disposing the battery or the device.
5.2
Calibration
The calibration of the measuring device is confirmed by the supplied calibra-
tion certificate. Gigahertz
-
Optik GmbH advises its customers to adhere to an-
nual calibration of the device. The Gigahertz
-
Optik calibration lab offers short
-
term calibration services on the publicized calibration weeks. Please refer to
the Gigahertz
-
Optik GmbH website for more information.