PmoYoKo pH TDS Meter with ATC pH Tester Instruction Manual

PmoYoKo pH TDS Meter with ATC pH Tester

Measurement

PH Measurement

1. Turn on the tester.
2. When the display show to “pH”.
3. Put the tester in the liquid to measure.
4. Let the pH tester stand for 30-60 seconds. When the reading is stable, press the “HOLD” button to fix the reading and then take it out.

PPM Measurement

1. Turn on the tester.
2. Press the “MODE” key to switch to “ppm”.
3. Put the tester in the liquid to measure.
4. When the resting last tore, press Holds button to fix the reading and then take it out.

Temperature Measurement

1. Turn on the tester.
2. Long press the “TEMP” key to switch the unit °F/°C.
3. Put the tester in the liquid to measure.

Usage Related Issues

PH tester usage-related issues:

• When the PH meter is turned on in the air, the value jumps irregularly, which is a normal phenomenon. The value in the air cannot be used as a reference.
• When measuring the water with the PH meter, it needs to be stirred gently (to remove the bubbles attached to the probe), and it takes a period of stabilization. It is normal for the value to jump up or down during the test. Please do not just insert it and read it immediately.
• White crystalline salt appears around the electrode of the PH meter, which is a normal phenomenon of the PH electrode, and the electrode can be removed by immersing it in water and cleaning.
• The PH meter electrode is made of glass, which is fragile. Please do not drop it or touch it with your hands. Do not test the water above 150 F (60 C). Do not test the strong acid and alkali, which will cause the electrode glass to burst.

Calibration PH

Calibration PH Steps 1

Tip: pH meter has been calibrated, so you do not need to re-calibrate after receiving it.
Before start: Clean the electrode with distilled water and dry it.

1. Open the pH 4.00 buffer powder.
2. Add it into the 250ML distilled water.
3. Stir until powder dissolves.
4. Press “ON/OFF” button.
5. Press “MODE” button.
6. pH mode.
7. Press and hold the MODE/CAL button for 6 seconds.
8. pH 4.00 flash 3 times.

Finish pH 4.00 point calibration.

Calibration PH Steps 2
Before start: Clean the electrode with distilled water and dry it.

1. Open the pH 6.86 buffer powder.
2. Add it into the 250ML distilled water.
3. Stir until powder dissolves.
4. Press “ON/OFF” button.
5. Press “MODE” button.
6. pH mode.
7. Press and hold the MODE/CAL button for 6 seconds.
8. pH 6.86 flash 3 times.

Finish pH 6.86 point calibration.

Calibration PH Steps 3
Before start: Clean the electrode with distilled water and dry it.

1. Open the pH 9.18 buffer powder.
2. Add it into the 250ML distilled water.
3. Stir until powder dissolves.
4. Press “ON/OFF” button.
5. Press “MODE” button.
6. pH mode.
7. Press and hold the MODE/CAL button for 6 seconds.
8. pH 9.18 flash 3 times.

Finish pH 9.18 point calibration.

Calibration PPM Steps

• Press “ON/OFF” button.
• Press “MODE” button.
• ppm mode.
• Press and hold the MODE/CAL button for 6 seconds.
• pH 1413 flash 3 times.

Finish pH 1413 point calibration.

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