PH Meter 0-14 PH High Accuracy Auto-Calibration Water Quality Tester with ATC Apply to Aquarium Household Drinking and Pool

CONVENIENT SIZE This portable size instrument allows you to carry it around easily in your pocket and do your measuring anywhere.Whether you take it to the pool, on a trip, to the beach, camping or a picnic are very convenient. Calibration: ?Turn on the pH meter ?Dissolve each buffer solution in 250 ml of distilled water ?Immerse the electrode into the pH 6.86 solution.(under the temperature of 25?) ?Press the “CAL”(calibration) button for 5 seconds and release ?Display screen will start flashing “6.86” ?Wait it until the display screen stops flashing. ?Rinse the electrode with distilled water and make it dry with filter paper. ?Repeat the above steps with 4.01 pH buffer powder and 9.18 pH buffer powder. Specifications: Measuring range: 0.00-14.00 pH Resolution: 0.01 pH Batteries: 2X 1.5V LR44 (included) Automatic temperature compensation: 0-50?(32-122?) Dimensions: 15x2.5x1.3cm/6x1.1x0.5 inch Net Weight: 52g/1.83 oz Package Includes: 1 x PH Meter 3 x Calibration packets 1 x Carrying case 1 x User's manual