30MHz Sensor Substrate Moisture (Teros 12)
Volumetric Water Content
Ea: +/-1 Ea (unitless) from 1 to 40 (soil range), +/-15% from 40 to 80:
Using a generic calibration: +/-0.03 m3 (+/- 3% VWC) typical in mineral soils that have solution electrical conductivity < 5 dS/m
Using medium specific calibration, +/- 0.01 to 0.02 m3 ( +/-1 to 2% VWC) in any porous medium
Ea: 0.1 Ea (unitless) from 1 to 20
< 0.75 “a (unitless) from 20 to 80
0.002 m3 (0.2% VWC) from 0 to 40% VWC
0.001 m3 (0.1% VWC) > 40% VWC
Range: Apparent dielectric permittivity (Ea): 1 (air) to 80 (water)
Bulk Electrical Conductivity
+/- 5% from 0 to 5 dS/m, +/-10% from 5 to 23 dS/m
0.001 dS/m from 0 to 23 dS/m
Range: 0 to 25 dS/m (bulk)
Accuracy: +/- 1ºC
Range: -40 to 60ºC
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