1The soil EC sensor is suitable for measuring the total soil salt content (conductivity). 2Accurate measurement and it is suitable for a variety of soil environment and quality, practical to use. 3This soil moisture sensor features low power consumption, high precision, quick response and stable output. 4Widely used in scientific experiments, water-saving irrigation, greenhouse, flowers and vegetables, grassland pasture, soil rapid measurement, plant culture, sewage treatment, electrical conductivity measurement. 5Can be buried in the soil for a long time, resistant to long-term electrolysis, corrosion resistance, vacuum filling and sealing, completely waterproof. 6Suitable for all kinds of soil, greatly facilitate the customer system to assess the soil condition.Condition: 100% Brand New Item Type: Soil EC Sensor Material: ABS Color: As shown in the picture Size: Approx.13.8x1.5cm/5.4x0.6in(L x T) Weight: Approx.197g/6.9oz Application: Used as soil EC sensor Power Supply: 12-24V DC EC Measurement Range :0-10000us/cm EC Resolution: 10 us/cm Storage Environment: -45-115 Response Time: Power Supply Wire Color Description Brown Power supply positive(12-24VDC) Black Power supply negative Communication Yellow(Gray) 485-A Blue 485-B 1 x Soil EC Sensor1 x Instruction Manual1. Please allow 1-2cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.