Works by water pressure. With an analogue manometer.
With decreasing soil moisture, the suction tension of the groundwater increases. This is then read as underpressure on the manometer 0-600mbar/hpa.
Length 330mm
With decreasing soil moisture, the suction tension of the groundwater increases. This is then read as underpressure on the manometer 0-600mbar/hpa.
Length 330mm
Properties
- 961926