Manufacturer: Geekercity
Brand: Geekercity
![Geekercity Digital PH Meter - Portable LCD PH Tester Pen with ATC, Water Quality Tester 0.01pH High Accuracy, 0.01 Resolution Measure Household Drinking Water [Yellow]](https://images-na.ssl-images-amazon.com/images/I/41LtpifGCDL._SL110_.jpg "Geekercity Digital PH Meter - Portable LCD PH Tester Pen with ATC, Water Quality Tester 0.01pH High Accuracy, 0.01 Resolution Measure Household Drinking Water [Yellow]") |
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 Automatic temperature compensation: 0-50℃(32-122℉) Dimensions:15x2.5x1.3cm/6x1.1x0.5 inch Net Weight:52g/1.83 oz Whole Package 1 x PH Meter 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
