Handheld 4 in 1 PH EC TDS Temperature Meter Digital Water Quality Monitor Tester TDS PH Meter for Drinking Water Pools Aquariums

Specifications: 1. Test Range:    1) pH range: 0.00~14.00pH    2) EC range: 0~1999us/cm; 0~19.99ms/cm    3) TDS: 0~1999ppm; 0~19.99ppt    4) Temperature range: 0~50°C?32~122°F 2. Resolution:    1) pH : 0.01pH    2) EC: 1us/cm (<1999us/cm); 10us/cm (>1999us/cm); 0.01ms/cm    3) TDS: 1ppm (<1999ppm); 10ppm (>1999ppm); 0.01ppt    4) Temperature: 0.1°C 3. Accuracy:    1) pH : ±0.02pH    2) EC: ±2% F.S.    3) TDS: ±2% F.S.    4) Temperature: ±0.5°C 4. Automatic Temperature Compensation(ATC): 0~50°C 5. Battery type: 3 * 1.5V AG13 (batteries included) 6. Automatic shutdown: after 8 minutes without operation 7. Size: 7.4 x 1.4 x 1.4 inch 8. Weight: 3.46 oz