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Radius Dendrometer – Type DR3
1. Introduction
Thank you for purchasing an Ecomatik Dendrometer type DR3. This is a highly precise
sensor for continuous measurements of radius changes of trees under both indoor and
outdoor conditions.
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.
The dendrometer is the sensor part of a measuring system. This means that the den-
drometer should be connected to a data logger for continuous data recording. The den-
drometer is compatible with the most data logger types. At Ecomatik a low-cost, special
for dendrometers developed DL18 logger is available.
2. Product Description
As shown blow, the radius dendrometer consists of:
1 Sensor with 5 m cable. The cable length is extendable to 100 m
1 Special screw for fixing the frame onto the plant stem
Please contact us should you miss anything of these items.
The standard cable length is 5 m. if you ordered cable extension, the cable length is the
ordered extension + 5 m.
To meet the requirements of different loggers, there are 2 different types of cables: cable
with plug and cable without plug. Cable with plug can only be connected to Dendrome-
ter Logger DL18. Cable without plug can be connected to other loggers.
3. Safety Information
The sensor is protected from rain water, but it is not waterproof. Please do not immerse
the sensor in water. Avoid any tension between the cable and sensor during handling and
operation. Pay attention to connections to data logger. Wrong connections will provide
wrong readings.
Radius Dendrometer
1
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