RS485 Soil NPK PH EC Temp humidity Sensor tester 8 in 1 soil Sensor Tanah

RS485 Soil NPK PH EC Temp humidity Sensor tester 7 in 1 soil Sensor Tanah Output: RS485 (standard Modbus-RTU protocol, device default address: 01) Power supply voltage: 7~24V DC Scope of work: -30℃ ~70℃ Stability time: 3 seconds after power-on Red = Vcc Black = Gnd Yellow = RS485A Green = RS485B Temperature range: -30~70℃ Moisture range: 0~100% Salinity / conductivity range: 0~2000 μ S / cm, 0~10000 μ S / cm, 0~20000 μ S / cm PH range：3-10 Nitrogen / phosphorus / potassium range: 0~1999mg / kg Measuring accuracy: ± 0.2℃; 0~50% Resolution: 0.1℃; 0.1%; 1 μ S / cm; 0.01; 1mg / kg (mg/L); 1 μ S / cm