Meter Digital Electric Water Tester Pen LCD Digital Water Quality Tester PH Meter Swimming Pool

Label:Yes Working temperature: 0 ° C ~ 50 ° C Calibration: automatic calibration Display: LCD Digital Type: PH Tester Color: Yellow, Blue Accuracy: ±0.2PH; ±0.1PH (20°C) Weight: 50g Size: 155x31mm(6.10x1.22in) Material: Plastic Brand New and High Quality! Measuring range: 0.00-14.00PH Power Supply:2 * 1.5V LR44 Batteries Warm tips It STEP 1: Turn open pH meter, Clean the electrode in distill water It STEP 2: Immerse the electrode in pH 6.86 standard buffer solution It STEP 3: Press the "CAL" button. Wait until the display digital is 6.86pH and steady It STEP 4: Clean the electrode in distill water and dry it, immerse the electrode in Ph 4.00 standard buffer solution It STEP 5: Press the "CAL" button. Wait until the display digital is 4.00pH. Then complete pH 4.00 calibration It 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;

Note: It Clean the electrode with distilled water every time before and after use It Be careful with the glass probe since it may be a little fragile when you use. It Remember to gently wipe it with a clean, soft cloth when you're done before capping it again. It Open the battery case or replace battery, then need to recalibrate the meter

Package Includes: -1xPH Meter -2xCalibration packets -1xUser's manual