This manual is written to help you install and operate your DR3 dendrometer with least dif- ficulty and for desirable results. Please read it carefully before installing the sensor, and refer to it if you should have any difficulty with the sensor in the future.
Radius Dendrometer – Type DR3 4. Installation 4.1 Cable Extension The standard version is delivered with 5 m cable. It can be extended up to 100 m. Cable type 4×0.25 mm with shield is recommended for extensions 4.2 Tools for installation...
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Radius Dendrometer – Type DR3 Dendrometer Data Logger (DL18) The DL18 is a battery powered, waterproof logger for connecting 4 dendrometers. It is a very effective data logger for dendrometer measurement under outdoor conditions. For details please see the user manual of the DL18.
Radius Dendrometer – Type DR3 6. Adjustment and maintenance Ensure that no falling branches, fruits or snow land on the sensor. The sensor is protected against water droplets but is not waterproof. When the sensor is correctly installed, it will function under outdoor conditions without the need for further maintenance.