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Soil moisture transmitter rs485 temperature and humidity TDR soil moisture sensor


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

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