4-In-1 Water Quality Tester Pen Waterproof Water Quality Analysis Instrument PH/EC/TDS & Temperature Meter PH Meter TDS Meter with ATC Function Features: * Supporting PH, EC, TDS, Temp. four functions of water quality detection, one button to switch from. * Ordinary tester need to be accurate at a water temperature of about 25℃, this test pen with ATC function is not required, it will automatically compensate the water temperature to 25℃ when measuring. * 0~50℃ ATC and temperature measurement range, ℃/℉ temperature unit switchable. * Clear LCD display with blue backlight, easy to read. 8 minutes auto shutdown. * Applications in pools, aquaculture, aquaponics, greenhouse, hydroponics, floriculture, agriculture, industry, container grown plants, etc. Specifications: Material: ABS Probe Type: Glass probe PH Range: 0.00~14.00PH PH Resolution: 0.01PH PH Accuracy: ±0.02PH EC Range: 0~1999μs/cm, 0~19.99mS/cm EC Resolution: 1μs/cm(<19991μs/cm), 10μs/cm(>1999μs/cm), 0.01mS/cm EC Accuracy: ±2%F·S TDS Range: 0~1999ppm, 0~19.99ppt TDS Resolution: 1ppm(<1999ppm), 10ppm(>1999ppm), 0.01ppt TDS Accuracy: ±2%F·S Temperature Range: 0~50℃ Temperature Resolution: 0.1℃ Temperature Accuracy: ±0.5℃ Automatic Temperature Compensation: 0~50℃ Operating Temperature: 0~50℃ Calibration: two points (4.01, 6.86) or one point (6.86) calibration Auto-off: After 8 minutes Power Supply: 3 * 1.5V AG13 button battery (NOT included) Item Size: 188 * 38 * 38mm / 7.40 * 1.50 * 1.50in Item Weight: 88g / 3.11oz Package Weight: 128g / 4.54oz Package Size: 20 * 7 * 4.5cm / 7.87 * 2.76 * 1.77in Package included: 1 x PH Meter 1 x Slotted Screwdriver 1 x English Manual Details Pictures:
