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Pick our digital PH meter 💠This PH Meter is the perfect device for determining the acidity or alkalinity of liquids.It's incredibly easy to use-just immerse the electrode and the readings are automatically displayed. 💠With 0.01pH Resolution, you may get higher accuracy than other pH meters.The electrode is designed with more durability in order to offer a longer product lifespan. 💠Portable Design:Handheld pen style and compact carrying case makes it conveniently fits in your pocket or bag and goes anywhere. 💠Applied range: the production and drinking of purified water, Electroplating liquid, Boiler water, Water in fish tank, Water of swimming pools, Photograph flushing fluid, Well water, Deep phreatic water, Laboratory, Aquaculture, Food processing, etc Specifications: ✅ Measuring range: 0.00-14.00 pH ✅Resolution: 0.01 pH ✅ Accuracy: 0.01 pH ✅Batteries: 2X 1.5V LR44 (included) ✅ Automatic temperature compensation: 0-80℃(32-176℉) ✅ Dimensions: 0.79x0.60x6.06 (inch) ✅ Net Weight: 52g/1.83 oz How to use 💨Step 1: Remove the protective cap. 💨Step 2: Rinse the electrode with distilled water, and dry it. 💨Step 3: Press "On/Off“. 💨Step 4: Immerse the ph meter electrode in the solution to be tested(Note: Can not be over the immersion line; The ph level is constantly changing if the meter electrode stay in the air ) 💨Step 5: Stir gently and wait 10s till the reading stabilized. 💨Step 6: After tested, clear the electrode with pure water, turn the meter off by press "On/Off“. Package Includes: 📪 1 x PH Meter 📪 1 x Carrying case 📪 3 x PH buffer powder 📪 1 x User's manual