Umin Automatic Calibration Digital pH Meter is professional and ideal tool for you testing your water level. The cap keeps the sensor moist when stored upright, and can be used as a container for sensor-conditioning. Get accurate pH measurement easily This pH meter the perfect device for your testing of the acidity or alkalinity of liquids. It is very easy to use - just immerse the electrode to get accurate, fast readings. How to Calibrate STEP 1:Turn open pH meter, Clean the electrode in distill water STEP 2: Immerse the electrode in pH 6.86 standard buffer solution STEP 3: Press the "CAL" button. Wait until the display digital is 6.86pH and steady STEP 4: Clean the electrode in distill water and dry it, immerse the electrode in Ph 4.00 standard buffer solution STEP 5: Press the "CAL" button. Wait until the display digital is 4.00pH. Then complete pH 4.00 calibration STEP 6: Clean electrode and dry it, put the meter into PH 9.18 standard buffer solution. Check if reading is correct between 9.17-9.19pH 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: 0-50¡æ(32-122¨H)Dimensions:15x2.5x1.3cm/6x1.1x0.5 inch Net Weight:52g/1.83 oz Package Includes: 1 x pH Meter 2 x Calibration packets 1 x Carrying case 1 x User's manual Tips The glass bulb of the electrode is fragile. Treat it carefully. Don't touch it by hard tools and fingers, suck the water on it gently when cleaning Clean the electrode with distilled water every time before and after use Open the battery case or replace battery, then need to recalibrate the meter
A**R
trash
stay stuck on level 4.0 when I try to calibrate sending back
Trustpilot
1 month ago
3 weeks ago