Sensor principle:
Time Domain Reflectometry TDR
Measurement parameters:
soil volume water content
Measuring range
0-saturated water content
Moisture range:
0-60% m/m'
output signal:
RS485 (Modbus-RTU protocol)
Supply voltage
12~- 24VDC
Moisture accuracy
<±0.03 m2/m2 (±3%), (soluble salt content ec≤0.5 ms/cm,
Bulk density ≤ 1.55g cm’, standard calibration of measuring range 0% ~ 50% vwc)
Resolution
0.1%
measure time:
<500ms
Operating environment:
Outdoor, suitable ambient temperature is 045C
Cable length:
Standard 5 meters
shell material
ABS engineering plastic
Probe Material
316 stainless steel
Overall weight:
≈350g
Including 5 meters of cable
Protection class.
IP68
Maximum power:
Power supply I2VDC typical value is 50mA power supply 24VDC typical value is 25mA