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Digital PH Meter Large Waterproof Pen Water Quality Tester 4 In 1with Auto Calibration Function 0-14 PH Range Tester Kit

Features

Brand

Maximum pH

Minimum pH

Product description 1.How to use ：Remove the protective cap.Rinse the electrode with distilled water, and dry it with filter paper. Turn on the meter,immerse the electrode into the test solution. Stir gently and wait for the reading to stabilize. Turn off the meter after use,rinse the electrode and dry it with filter paper. 2.The meter was calibrated before off the factory. Do not need to calibrate the meter when first use. 3.The glass electrode is fragile, treat it carefully. Don't touch it by hard tools or fingers. 4.Please do not immerse the meter into the solution over the "warning line", to avoid damage to the circuit board. 5.If the "cal'(calibration) button is pressed and electrode exposed to air for a long time,calibration is required.

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Digital PH Meter Large Waterproof Pen Water Quality Tester 4 In 1 with Auto Calibration Function, featuring a 0-14 PH range. The device has a compact pen-like design with a green and white body, a digital display showing pH and temperature readings, and buttons for power, calibration, and mode selection. Suitable for pool maintenance and water quality testing.