PH Meter LCD Pocket Water Tester

Ensure the quality of your water with this electric pH meter. It's perfect for aquariums, swimming pools, and hydroponic systems. The high-precision design has a measurement range of 0-14 pH, so you can easily monitor and maintain your water's pH levels. The LCD screen and pocket size make it a convenient tool that you can use anytime, anywhere.

Specifications:

Measure range: 0.00 - 14.00PH
Resolution: 0.01PH
Accuracy: ±0.01 PH (at 25℃)
Power Supply: 2*1.5V (LR44 Included)
Operating Temperature: 0℃ - 80℃ (32℉ - 176℉)
Dimension: 155mm* 31mm * 18mm / 6.10”×1.22”×0.70”
Weight: 50g / 1.76oz

1. Calibration:
   
   1. Turn on the pH meter.
   
   2. Dissolve each buffer solution in 250 ml of distilled water.
   
   3. Immerse the electrode into the pH 6.86 solution (under the temperature of 25℃).
   
   4. Press the “CAL”(calibration) button for 5 seconds and release；
   
   - Display screen will start flashing “6.86”；
   
   - Wait for it until the display screen stops flashing；
   
   - Rinse the electrode with distilled water and make it dry with filter paper.
   
   5. Repeat the above steps with 4.01 pH buffer powder and 9.18 pH buffer powder.
   
   Note:
   
   Calibration is required in the following conditions.
   
   - Lengthy periods of inactivity
   
   - Very frequent use
   
   - The testing accuracy requirement is very high
   
   - The “cal” key was pushed and the electrode was exposed to air for an extended period of time
   
   Package Includes:
   
   1×pH Meter
   
   3×pH Buffer Powder
   
   1×User's Manual