All in 1 soil sensor for NPK+PH+EC+Temperature & Moisture

 RS485 signal output plus cable length 3m 

Specification

Temperature : Range: -45°C - 115°C ; Accuracy: ±0.5°C

Moisture : Range: 0-100%RH 

Accuracy: ±3% in 0-53% range;  ±5% in 53-100% range 

EC  : Range: 0-10000us/cm; Resolution: 10us/cm 

pH :  3-9; Accuracy ±0.3pH 

NPK Range: 0-2000 Mg/kg ; Accuracy: 2% F.S 

Resolution: 1 Mg/kg (mg/l) 

Note: Warranty is 3 months against manufacturer defect