* If you have a pool, aquarium, or spa, pH testing is a way of life for you. But hassling with messy test strips and chemical solutions is a pain and may not give you the accuracy you need. Wouldn't it be great to have a pH tester that gave you accurate results without all the hassle? * DOY Digital PH Meter is a super convenient pH meter that can be carried anywhere and used in a snap, this is it. Specifications ► Measure range: 0.00-14.00 pH ► Resolution: 0.01 pH ► Accuracy: 0.01 pH ► Power supply: 2*1.5V ► Operating temperature: 0-80℃ ► Calibration: two points automatic calibration ► Dimensions: 6.1 x 1.2 x 0.7in ► Net Weight: 48g/1.7oz 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 PH meter into PH 9.18 standard buffer solution. Check if reading is correct between 9.17-9.19pH Package Includes ► 1 x PH Meter ► 3 x Calibration packets ► 1 x Carrying case ► 1 x User's manual Warm tips ➤ Clean the electrode with distilled water every time before and after use. ➤ Be careful with the glass probe since it may be a little fragile when you use. ➤ Remember to gently wipe it with a clean, soft cloth when you're done before capping it again. NOTE: Please read the manual carefully before useing the pH meter!!!
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