WaterScout SM 100 Soil Moisture Sensor

WaterScout SM 100 Soil Moisture Sensor Specifications Standard Interface : WatchDog weather station, FieldScout soil moisture reader Range : 0% VWC to saturation Power Requirements : 3 to 5V @ 6 to 10 mA Output : Analog voltage 0.5 - 1.5V for a 3V excitation ( ratiometric for other excitation voltages) Resolution : 0.1% VWC Cable Length : 6 ft ( 1.8 m) and 20 ft ( 6 m) standard, extendable up to 50 ft ( 15 m) Accuracy : 3% VWC @ EC < 8 mS/ cm Sensing Area : 2.4 in ( 6 cm) x 0.8 in ( 2 cm)