Digital PH Meter, PH Meter 0.01 PH High Accuracy Water Quality Tester with 0-14 PH Measurem

Specification: ?Model: 2019 updated Version ?Measure Range: 0.00-14.00pH ?Resolution: 0.01pH ?Accurapy: +/-0.01pH ?Power supply: 2*1.5V (LR44 Button cell) ?Operating temperature: 0?--60? ?Calibration: two points automatic calibration ?Dimension: 155mm*31mm*18mm ?Weight: 50g/(1.70z) Operation: ?Remove the protective cap and protective film on the screen. ?First rinse the electrode with distilled water, and suck it with filter paper. ?Turn the meter on by pressing the "ON/OFF" key. ?Immerse the pH meter electrode in the solution to be tested ( can not be over the immersion line) ?Stir gently and wait around 30 seconds till the reading stabilized. ?After finished, clear the electrode with pure water, turn the meter off by pressing the "ON/OFF" key. ?Always replace the protective cap after use. Package Includes: ?1 x PH Meter ?1 x Carrying case ?3 x PH buffer powder ?1 x User's manual Note: ?Clean the electrode with distilled water every time before and after use ?Be careful with the glass probe since it may be a little fragile when you use. ?Remember to gently wipe it with a clean, soft cloth when you're done before capping it again. ?Open the battery case or replace battery, then need to recalibrate the meter.