GuDoQi Digital Ph Tester Acidity Meter Water Quality Tester with Backlight ATC 0.01 Resolution 0-14 pH Measurement Range for Household Drinking Water Aquarium Swimming Pools Hydroponics

Features: Full measurement range: PH 0-14, 0.05 PH range of error and 0.01 PH resolutions; quickly display readings in seconds Large and clear LCD display Compact and portable: Handheld pen-like design with a pen type clip which will keep it securely fastened to lab coats etc. a case is included for easy storage No calibration needed for new units, just remember to keep the probes neutral by cleaning with distilled water before and after use, and not touching them A little tool for home and laboratory, testing the PH of tap water, bottled water, aquarium water, pond water and various other liquids Simply follow the included step by step directions using the included buffer powders. How to use: 1.Remove the protective cap. 2.Rinse the electrode with distilled water, and dry it with filter paper. 3.Turn on the meter by pressing the ON/OFF button. 4.Immerse the ph meter electrode in the solution to be tested. 5.Stir gently and wait for the reading to stabilize. 6.After finished, clear the electrode with distilled water, then turn off the meter. Package Includes: - 1 X PH-02 Pen (batteries included) - 1 X Manual - 1 X Carrying Case