VIVOSUN Digital pH Meter, 0.01pH High Accuracy Pen Type pH Tester for Hydroponics, Household Drinking, Pool and Aquarium, Yellow, UL Certified

VIVOSUN Digital pH Meter Tester Pen helps to measure acidity or alkalinity easily and accurately.

How to use?
Step 1: Remove the protective cap
Step 2: Clean the electrode in distilled water and dry it
Step 3: Turn the meter on by pressing the ON/OFF key
Step 4: Immerse the pH meter electrode in the solution to be tested
Step 5: Stir gently and wait for the display stabilizes
Step 6: After finished, clean the electrode in distilled water and turn the meter off by pressing the ON/OFF key

Tip
1. Don't touch the electrode by hard tools or fingers. Always replace the protective cap to keep electrode from drying out.
2. Clean the electrode every time before and after using.
3. When the meter cannot be turned on or the display fades, open the battery case and replace battery (pay attention to the polarity), then need to recalibrate the meter.

Specifications
Range:0.00-14.00 pH
Resolution: 0.01 pH
Accuracy: 0.01 pH
Batteries: 2 X 1.5V
Environment: 0℃-80℃ (32℉-176℉)
Dimensions: 15.5 x 2.9 x 1.6 cm
Weight: 50g