TDR Soil Moisture Sensor

AO-TDRSoilSensor

Chao Sensor

New

The AO-TDRSoilSensor is an advanced soil moisture sensor using Time Domain Reflectometry (TDR) technology. It offers precise measurements of soil volumetric water content, with an accuracy of ±3% and a range of 0-60%. Designed for demanding agricultural and environmental applications.

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The AO-TDRSoilSensor is a cutting-edge device designed to accurately measure soil volumetric water content using Time Domain Reflectometry (TDR) technology. This robust and reliable sensor is ideal for applications in precision agriculture, environmental research, and water resource management.

With a measurement range of 0 to 60% volumetric water content and an accuracy of ±3% (under standard conditions), the AO-TDRSoilSensor provides reliable data for informed decision-making in irrigation management and soil condition studies. Its high resolution of 0.1% and fast measurement time (less than 500ms) allow for detailed, real-time monitoring of soil moisture conditions.

The sensor uses an RS485 interface with Modbus-RTU protocol, facilitating its integration into existing data acquisition systems and sensor networks. Its robust construction, with a 316 stainless steel probe and ABS plastic housing, along with its IP68 rating, ensure long-lasting performance in challenging agricultural and outdoor environments.

Designed to operate with a 12-24VDC power supply and moderate power consumption, the AO-TDRSoilSensor is suitable for remote installations and solar-powered applications. Its standard 5-meter cable allows for flexible installation in various field scenarios.

FeatureSpecification
Measurement Principle Time Domain Reflectometry (TDR)
Measured Parameter Soil volumetric water content
Measurement Range 0-60% m/m'
Output Signal RS485 (Modbus-RTU protocol)
Supply Voltage 12 - 24VDC
Moisture Accuracy ±3% (standard conditions)
Resolution 0.1%
Measurement Time <500ms
Operating Environment Outdoor, ambient temperature 0-45°C
Cable Length Standard 5 meters
Housing Material ABS engineering plastic
Probe Material 316 stainless steel
Total Weight ≈350g (including 5 meters of cable)
Protection Class IP68
Maximum Power Consumption 50mA at 12VDC, 25mA at 24VDC (typical values)

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