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8. CLEANING ANd MAINTENANCE
a) General Information
To ensure accuracy of the meter over an extended period of time, it should be calibrated once a year.
Apart from occasional cleaning and battery replacements, the meter requires no servicing.
Notes on replacing the battery are provided in chapter “7. Commissioning”.
Regularly check the technical safety of the device and measuring lines, e.g. check for damage to
the casing or squeezing, etc.
b) Cleaning
Always observe the following safety information before cleaning the device:
Live components may be exposed if covers are opened or parts are removed (unless this can be
done without tools).
The device and the measuring lines must be disconnected from all objects to be measured before
the device is cleaned or repaired. Switch off the device.
Do not use any abrasive cleaning agents or petrol, alcohol or the like to clean the product. They will damage the
surface of the meter. Furthermore, the fumes are hazardous to your health and explosive. Also do not use any
sharp-edged tools, screwdrivers, metal brushes, etc. for cleaning.
Use a clean, lint-free, antistatic, slightly damp cloth for cleaning the device or the display or the measuring lines.
Allow the product to dry completely before you use it again to conduct measurements.
9. dISPOSAL
Old electronic devices are recyclable and should not be disposed of in household waste. At the end of its
service life, dispose of the product at the community collection point according to the relevant statutory
regulations. It is prohibited to dispose of the device in household waste.
disposal of Used Batteries!
You as the end user are required by law (Battery Ordinance) to return all used batteries/rechargeable
batteries. Disposing of them in the household waste is prohibited!
Batteries/rechargeable batteries containing toxic substances are marked with the symbols shown, which
indicate they cannot be disposed of in household waste. The descriptions for the respective heavy metals
are: Cd = cadmium, Hg = mercury, Pub = lead. You may return used batteries/rechargeable batteries free
of charge at the official collection points of your community, in our stores, or wherever batteries/recharge-
able batteries are sold!
You thus fulfil the legal requirements and make your contribution to protecting the environment!
