Description
- [Calibration usage] Press and hold CAL for 5 seconds to enter the calibration mode, and press to select the powder corresponding to 6.86, 4, and 9.18 to complete the calibration. Easy to use and calibrate. You only need to press the "ON" button to get the pH test result of the water, and just press the "OFF" button to turn it off. You can calibrate the digital pH meter by pressing the "CAL" button and immersing the electrode in the solution. Small and portable pocket. It is small in size, light in weight, easy to carry, and can be conveniently placed in a pocket when going out. Suitable for residential or commercial use, water, swimming pools, spas, liquid food, laboratories, aquaculture and hydroponics. Equipped with 1x Poit ph meter, 1x user manual, 2x 1.5V LR44 button battery (built-in), 3x pH buffer powder; 30-day refund promise.
Risantec Digital PH Meter Tester Best For Water Aquarium Pool Hot Tub Hydroponics Wine - Push Button Calibration Resolution .01 / High Accuracy +/- .05 - Large LCD Display
