Laboratory of Dendrochronology


stotisThe following observations have been carried out:
Manufacturer
Equipment
Price for one sensor, EUR
Price for four sensors, EUR
Onset
Hobo U12-006 logger
114
114
Onset
Hoboware lite software
50
50
Onset
Cable-2.5-stereo 10
40
Irrometer
Watermark soil moisture sensor
35 140
Welwyn
high precision 10kOhm resistors
1
4
Total 210
348

The total price is around 210 EUR for one sensor and 348 EUR for four sensors. The price excluding shipment and extension cables.

The wiring from soil moisture sensors to stereo cable and units conversion from the output voltage into resistance and soil water potential are discussed in detail in Richard Allen webpage.


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