Description of the device Notes regarding the operating manual ........1 Information about the device........... 1 By use of the moisture measuring device BM21 the humidity level Technical data ................ 2 of wood and building material can be determined. Additionally, the ambient temperature can be measured in °C Safety ..................
Here, read and observe the technical data. To use the device for its intended use, only use accessories and ® spare parts which have been approved by TROTEC Display element Improper use Do not use the device in potentially explosive atmospheres, for Indication of the temperature unit ®...
1. Unscrew the screw from the battery compartment. 2. Remove the cover from the device. 3. Insert the new batteries in the compartment with correct polarity. 4. Fit the cover back on the device. 5. Tighten the screw. Operating manual – Moisture measuring device BM21...
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If • The device switches off after approx. 30 seconds without ® this does not solve the problem, please contact the TROTEC being used. customer service. • Please mind that with activated illumination the device will NOT switch off automatically.
• If possible, do not measure wood with a temperature below -5 °C. Too low wood temperatures distort the result of the measurement. • Avoid static charge of the material to be measured due to friction. Static charge distorts the measurement result. Operating manual – Moisture measuring device BM21...
Directive 2004/108/EC about electromagnetic compatibility. Herewith, we declare that the moisture measuring device BM21 was developed, constructed and produced in compliance with the named EC directives. marking is found on the rear of the device. Manufacturer: Trotec GmbH & Co. KG Grebbener Straße 7...