1、The soil EC sensor is suitable for measuring the total soil salt content (conductivity). 2、Accurate measurement and it is suitable for a variety of soil environment and quality, practical to use. 3、This soil moisture sensor features low power consumption, high precision, quick response and stable output. 4、Widely used in scientific experiments, water-saving irrigation, greenhouse, flowers and vegetables, grassland pasture, soil rapid measurement, plant culture, sewage treatment, electrical conductivity measurement. 5、Can be buried in the soil for a long time, resistant to long-term electrolysis, corrosion resistance, vacuum filling and sealing, completely waterproof. 6、Suitable for all kinds of soil, greatly facilitate the customer system to assess the soil condition. 1 x Soil EC Sensor1 x Instruction Manual Condition: 100% Brand NewItem Type: Soil EC SensorMaterial: ABSColor: As shown in the pictureSize: Approx. 13.8x 1.5cm/ 5.4x 0.6in(L x T)Weight: Approx.197g/ 6.9ozApplication: Used as soil EC sensorPower Supply: 12-24V DCEC Measurement Range :0-10000us/cmEC Resolution: 10 us/cmStorage Environment: -45℃-115℃Response Time: <1sInstallation Way: All buried or all probe inserted into the measured mediumProtection Grade: IP68Power Consumption: < 0.15 WWorking Pressure Range: 0.9- 1.1atmWiring Method: Power Supply Wire Color Description Brown Power supply positive(12-24VDC) Black Power supply negative Communication Yellow(Gray) 485-A Blue 485-B