Power supply: 230V/110 AC (24V upon request)
Ingress protection: IP65
Sensors: PH, EC, water volume.
pH Range: 0 to 14 pH
pH Accuracy: (@25ºC/77ºF) ±0.5% f.s. pH
EC Range: 0 to 10 mS/cm
EC Accuracy: ±2% f.s. EC
EC/TDS Temperature Compensation: automatic 0 to 60°C (32 to 132°F) with β=2%/°C
Water volume: sensor differs based on the volume of irrigaion, number of plants, size and type of the medium the plants are in.