SINOWELL HYDROPONICS: HI-GRADE QUALITY, THE MOST COMPETITIVE PRICE, BETTER SERVICE, YOUR BEST HYDROPONICS SUPPLIER IN CHINA -Range: 0.00~14.00PH; 0.00~19.99EC;-50°C~70°C;-58°F~158°F; 0.0~199CF; 10~19990ppm-Resolution:PH: 0.01PH; 0.1°C / 0.2°FEC: 0.01EC CF: 0.1CF TDS: 10ppm-Accuracy: PH: ±0.1PH; 1.0°C; EC, CF, TDS: ±2% F.S. Multi-parameter Water Monitor PHT-026