RCYAGO Hydrogen Ion Concentration Tester 4 in 1 PH ORP H2 TEMP Meter Digital Water Quality Tester with ATC 0 01 High Accuracy pH Meter for Pools Drinking Water Aquariums No Backlight

RCYAGO New Portable 4-in-1 Test Pen Water Quality Monitor (PH/ORP/H2/Temperature) Features: Test the PH/ORP/H2 and temperature(?/?) of water. Pocket size, lightweight, and portable with backlight & large LCD display for clear and easy reading. PH Reset: 1. Shut-off meter, press HOLD/TEMP, and MODE/CAL simultaneously, don't release. 2. Press ON/OFF, and release all buttons reset is finished. Automatic Temperature Compensation: No longer need to pay attention to the temperature of testing liquid, pH meter can accurately determine the pH value of the sample in the temperature range of 0 °C-60 °C (32 °F-140 °F), so as to solve the inaccurate problem caused by changing the liquid temperature. Specifications: pH Range: 0.01?14.00pH Resolution: 0.01pH Accuracy: ±0.005pH ORP Range: ±999mV Resolution: 1mV Accuracy: ±2mV H2 Range: 0-2400ppb; 0.001-2.400 Resolution: 2ppb; 2ppm Accuracy: ±10ppb; ±10ppm Temperature Range: 0.1-60.0? 32.0-140? Resolution: 1?/? Accuracy: ±0.5 Operation Environment: 0-60?(32.0-140?); RH100% Waterproof Level: IP67 Battery: 3 * 1.5V(LR44) Screen Size: 33 * 24mm Size Weight: 183 * 37 * 37mm(7.2 * 1.5 * 1.5in)/90g Display: LCD digital display Backlight: Backlight Optional Temperature: Automatic Temperature Compensation 0-60? HOLD: Data lock Automatic Shut-off: 5minutes Attention: Clean the electrode after using PH calibration: One point or two points or three points automatically. If the meter can't identify the solution, change the electrode, or contact us. Package List: 1 * 4 in 1 Water Quality Tester 1 * User Manual