DJ-H stemflow collector consists of stemflow collection tube, tipping counter and data logger. With software, we can easily know the start ,ending and last time of stemflow. The recorded data can transfer out into excel and text format, which is convenient for processing and analyzing.
Highlighted features:
The collection tube is made from soft materials, suitable for stemflow collection of various trees in various environment.
Easy to install and little maintenance
Small in size and is suitable to different environment
High accuracy, accuracy of 5 ml can be customized
The data logger is battery powered, need no extra power supply, the battery can work 365 days at 10 minutes’ logging interval.
Both stemflow and temperature is recorded
Stemflow collection tube
Material: nitrile rubber
Install method: fixed by steel nails
Length: 1m
Tipping counter
Sensor type: Tipping bucket with magnetic switch
Output: Pulse signal
Tipping bucket size: 50ml (5ml is customizable)
Cable: 1m
Dimensions: 240mm(length)*170mm(width)*230mm(hight)
Main material: SUS304 Stainless steel
Water inlet diameter: φ19mm
Weight: 2.05kg
Waterflow measurement range: 0-1.36L/min
Data logger
Temperature measurement range: -20° to 70°C
Accuracy: ±0.53℃（0~50℃）
Resolution: 0.14℃（25℃）
Drift: 0.1℃/year
Response time: Airflow of 2 m/s (4.4 mph):10 minutes, typical to 90%
Time stamp resolution : 1.0 second
Time resolution: 1 min per month( at 25℃）
Operating range: -20~+70℃
Power supply: CR-2032 3V lithium battery; 1 year typical use
Memor: 64K bytes
Materials: Polypropylene case; stainless steel screws; Buna-N o-ring; PVC cable insulation
Weight: 50g
Dimension: 71 x 33 x 23 mm
