PH EC Temperature Meter DC 6V High Accuracy Portable LCD Hydroponic Monitor Mult

Resolution: PH 0.01PH, temperature 0.1°C (0.2°F) EC 1us/cm. Range: PH 0.00~14.00, temperature 0℃~50℃ (32°F~122°F) EC 0~19.99ms/cm. Accuracy: ±0.1PH, temperature ±1.0°C, EC±2%F.S. 1 x Detector. Temperature Compensation: 0°C~50°C.

eBay