Portable pH meter K series

processwaterwith LCD display

(1) Dissolve the pH buffer powder in 250ml of distilled water. (2) Wash the electrode with distilled water and wipe it dry, then put it into the 6.86 solution, press and hold the CAL key for 5 seconds, the number displayed is 6.86 pH, and the calibration pH 6.86 is complete. (3) Wash the electrode with distilled water and dry it. Then put it into the 4.01 solution, press and hold the CAL button for 5 seconds, then release it, press the CAL button to enter the 4.01 calibration mode, and wait for the screen to stop flashing to complete the calibration. (4) Wash the electrode with distilled water and dry it. Then place it in the 9.18 solution, hold down the CAL button for 5 seconds, then release it, press the CAL button to enter the 9.18 calibration mode and wait for the screen to stop flashing to complete the process. calibration. Rinse the electrode with distilled water and dry it, then follow the steps above to calibrate other products. Ph Meter : Resolution: 0.1pH Accuracy: ± 0.1pH( at 20°C/ 68°F Typikal EMC DEV: ± 0.2pH Batteries: 3 x 1.5V ( AG-13 Button Battery) Life: approx. 700hours of use Environment: 0°C ~ 50°C( 32°F – 122°F) Relativ Humidity: <95°% Dimensions: 150mm x 29mm x 16mm Trimming: by potentiometer Weight: 51g TDS Tester : 100% Brand new and high quality. This item can be used in: water purifiers and filters, food (vegetable, fruits) & drink quality monitoring, pools, and spas, aquariums, hydroponics. Hold function: Saves measurements for convenient reading and recording Auto-off function: Turns off meter after 10 minutes of non-use to conserve batteries