Stem increment measurement is quite efficient tool for field measurement. It comprises information of growth, water stress and freezing up of the trunk. From technical point of view it does not require maintenance and the energy consumption is negligible in comparison with sophisticated measuring systems like sap flow for instance.
Necessary accessories:
Stainless tape ST20 (20m)
IrDA/USB data cable
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EMS Brno
DB20
DB 20 stem increment sensor for manual reading.
It measures tree trunk circumference using a stainless band in the range from 8 cm of stem diameter. The range of circumference increment is 60 mm.The sensor is composed of two parts – measuring part with scale and spring and from the stainless tape that is delivered as spool with 20 m of tape. When moving...
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