9
AROYA
TEROS 12 Soil Moisture, Temperature, and Electrical Conductivity (EC) Sensor
Volumetric Water Content (VWC)
Range
Mineral soil calibration 0.00–0.70 m
3
/m
3
Soilless media
calibration
0.0–1.0 m
3
/m
3
Apparent dielectric
permittivity (
ε
a
)
1 (air) to 80 (water)
NOTE: The VWC range is dependent on the media the sensor is calibrated to. A custom calibration will
accommodate the necessary ranges for most substrates.
Resolution
0.001 m
3
/m
3
Accuracy
Generic
calibration
±0.03 m
3
/m
3
typical in mineral soils that have solution EC <8
dS/m
Medium specific
calibration
±0.01–0.02 m
3
/m
3
in any porous medium
Apparent dielectric
permittivity (
ε
a
)
1–40 (soil range) , ±1
ε
a
(unitless)
40–80, 15% of measurement
Dielectric Measurement Frequency
70 MHz
TEROS 12 Temperature
Range
−40 to +60 °C
Resolution
0.1 °C
Accuracy
±0.5 °C from −40 to 0 °C
±0.3 °C from 0 to +60 °C
Bulk Electrical Conductivity (EC) (TEROS 12 Only)
Range
0–20 dS/m (bulk)
Resolution
0.001 dS/m
Accuracy
±(5% + 0.01 dS/m) from 0–10 dS/m
±8% from 10–20 dS/m
Summary of Contents for AROYA RST-W2-P-110-SMA-H
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