PmoYoKo pH TDS Meter with ATC pH Tester Instruction Manual
- June 16, 2024
- PmoYoKo
Table of Contents
PmoYoKo pH TDS Meter with ATC pH Tester
Measurement
PH Measurement
- Turn on the tester.
- When the display show to “pH”.
- Put the tester in the liquid to measure.
- 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
- Turn on the tester.
- Press the “MODE” key to switch to “ppm”.
- Put the tester in the liquid to measure.
- When the resting last tore, press Holds button to fix the reading and then take it out.
Temperature Measurement
- Turn on the tester.
- Long press the “TEMP” key to switch the unit °F/°C.
- 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.
- Open the pH 4.00 buffer powder.
- Add it into the 250ML distilled water.
- Stir until powder dissolves.
- Press “ON/OFF” button.
- Press “MODE” button.
- pH mode.
- Press and hold the MODE/CAL button for 6 seconds.
- 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.
- Open the pH 6.86 buffer powder.
- Add it into the 250ML distilled water.
- Stir until powder dissolves.
- Press “ON/OFF” button.
- Press “MODE” button.
- pH mode.
- Press and hold the MODE/CAL button for 6 seconds.
- 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.
- Open the pH 9.18 buffer powder.
- Add it into the 250ML distilled water.
- Stir until powder dissolves.
- Press “ON/OFF” button.
- Press “MODE” button.
- pH mode.
- Press and hold the MODE/CAL button for 6 seconds.
- 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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