Overview: Small size, lightweight, easy to carry and connections. TS soil moisture sensor from the power module, transmission module, Piaoling and temperature compensation module, data processing module and other components. Sensor built-in signal sampling and amplification, Piaoling and temperature compensation function, the user interface is simple and easy. Technical parameters: Measuring principle: FDR frequency-domain method Unit:% Range: 0 to 100% probe length: 5.5cm diameter of the probe:. 3mm Probe material: stainless steel sealing material: epoxy measurements. Accuracy: ± 3% Operating temperature range:.. -40 ℃ ~ 85 ℃ measure settling time: 2 seconds Response time: <1 second measurement frequency:. 100MHz voltage type: Operating voltage: 7 ~ 24V Working current: 25 ~ 35mA, typ 28mA (voltage type) output signal: Voltage type 0 ~ 2V DC (range can be customized for the 0.4 ~ 2V DC) Operating voltage:. 12 ~ 24V Working current:.> 30mA output signal: 4 ~ 20mA measurement area: central probe centered around the central probe diameter 7cm, 7cm high cylinder Cable length: 1.5 m (standard) functions and features: This sensor compact design, easy to carry, installation, operation and maintenance. Reasonable structure design, stainless steel probe life assurance. External epoxy pure colloidal package, sealing, and can be directly buried in soil use, and from corrosion. Smaller soil impacts, widely used areas. High accuracy, reliable performance, ensure proper operation. Response speed, high data transmission efficiency. Scope: Widely used in water-saving irrigation, greenhouse, flowers and vegetables, grass pastures, soil-speed measurement, plant cultivation, scientific testing.