Mudder 0.01 pH Accuracy Digital pH Meter, Water Quality Tester with Automatic Calibrate Function, 0.00 - 14.00 pH Measurement Range

How to use
Remove the cap
Clean the electrode with distilled water, then put it aside until it is dry
Immerse the pH meter probe in solution, up to the minimum immersion line and not be over the maximum immersion line
Turn on the pH meter by ON/ OFF button
Stir gently and wait until the display stabilizes, and you can read the recode
After use, switch it off, use the distilled water to clean the electrode and replace the protective cap


Recalibration:
Mudder pH meter is factory calibration. In normal, no need recalibrate. Recalibration is required in the following conditions:
Very frequent use
Lengthy periods of inactivity
The testing accuracy requirement is very high
The "CAL" (calibration) button was pushed and electrode exposed to air for extended period of time

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

Specifications

Measure range: 0.00 - 14.00 pH
Resolution: 0.01 pH
Accuracy: ±0.01 pH
Automatic temperature compensation: 0 - 50℃/ 122℉
Button battery: 2X 1.5V LR44 (included)
Product dimensions: 15 × 2.8 × 1.3 cm/ 6 × 1.1 × 0.5 inches
Net Weight: 52 g/ 1.83 ounces

Package includes:
1 X Digital pH Meter