PH Meter 0.01 PH Battery Powder High Precision Water Quality EC Tester 0-14 PH Measurement Range For Aquarium Swimming Pool Digital Electric PH Meter LCD Tester Pocket Hydroponics Aquarium Water Test

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

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