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User Manual
Model: EZ-9908

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Summary of Contents for PmoYoKo EZ-9908

  • Page 1 User Manual Model: EZ-9908...
  • Page 2 Quick Guide Battery Cover LCD Display ON/OFF HOLD/TEMP Short press to "HOLD" reading/Long press and change to "TEMP" reading MODE/CAL Short press to "PPM" reading/Hold and wait until the reading flash to calibrate Max Immersion Line Protective Cap Features Backlit optional Hold reading function LCD display Waterproof...
  • Page 3: Before Use

    Before Use In the following cases, the pH meter must be re-calibrated: 1. Not used for a Iong time. 2. The reading is different from what you expected. 3. The measurement accuracy requirements are relatively high. 4. After cleaning and moisturizing. 5.
  • Page 4 PH Measurement 1. Turn on the tester. 2. When the display show to "pH". 3. Put the tester in the liquid to measure. Note: The liquid should not exceed the water level line. 4. Let the pH tester stand for 30-60 seconds. When the reading is stable, press "HOLD"...
  • Page 5 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. Note: The liquid should not exceed the water level line. 4. Let the pH tester stand for 30-60 seconds. When the reading is stable, press "HOLD"...
  • Page 6: Temperature Measurement

    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. Note: The liquid should not exceed the water level line.
  • Page 7 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.
  • Page 8 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. 250ML Open the pH 4.01 Add it into the 250ML buffer powder distilled water Stir until powder...
  • Page 9 Calibration PH Steps 1 Press "MODE" button pH mode Press and hold the pH 4.00 flash 3 times MODE/CAL button for 6 seconds Finish pH 4.01 point calibration...
  • Page 10 Calibration PH Steps 2 Before start: Clean the electrode with distilled water and dry it. 250ML Open the pH 6.86 Add it into the 250ML buffer powder distilled water Stir until powder Press "ON/OFF" button dissolves...
  • Page 11 Calibration PH Steps 2 Press "MODE" button pH mode Press and hold the pH 4.00 flash 3 times MODE/CAL button for 6 seconds Finish pH 6.86 point calibration...
  • Page 12 Calibration PH Steps 3 Before start: Clean the electrode with distilled water and dry it. 250ML Open the pH 9.18 Add it into the 250ML buffer powder distilled water Stir until powder Press "ON/OFF" button dissolves...
  • Page 13 Calibration PH Steps 3 Press "MODE" button pH mode Press and hold the pH 4.00 flash 3 times MODE/CAL button for 6 seconds Finish pH 9.18 point calibration...
  • Page 14 Calibration PPM Steps Press "ON/OFF" button Press "MODE" button ppm mode Press and hold the MODE/CAL button for 6 seconds Finish pH 1413 point calibration pH 1413 flash 3 times...
  • Page 15 Disclaimer 1. After use, please rinse the electrode with distilled water and wipe the water droplets to keep the pH pen dry. The seller does not take any responsibility for any damage arising from failure to comply with this product guide. 2.
  • Page 16 Disclaimer 4. During testing, keep the pH meter away from moisture and water. The seller does not take any responsibility for any damage arising from failure to comply with this product guide. 5. During testing, gently shake pH meter for several times to ensure that no bubbles are formed near the electrode.The seller does not take any responsibility for any damage arising...
  • Page 17 Parameter Range: 0.00-14.00pH Resolution: 0.01pH-14.00pH Accuracy: ±0.05pH Range: 1-9990ppm Resolution: 1ppm ppm: 0.1ppt Temperature ATC: 32-140℉(0-60℃) Range: 1-19990μS/cm Resolution: 1μS/cm; 0.1mS/cm Accuracy: +2%F.S pH: Automatic Identification Calibration IF the meter can't identify the, please contact supplier. Waterproof level IP67 Battery 3*1.5V(LR44) Screen Size 33*24mm...
  • Page 18: Maintenance

    Battery 1. When the meter cannot be turned on or the display fades, please open the battery box and replace the battery (pay attention to the polarity), and then recalibrate the meter. 2. If you redeive the product is defective, it is possible that the battery has lost powwer during long-term transportatjon, you can replace the battery.
  • Page 19: Warranty

    Warranty We provide 12 months warranty. If you have any questions while using the product, please contact us and we will get back to you within 24 hours. Please contact our after-sales team: Website and E-mail www.PmoYoKo.net E-mail: pmoyoko@outlook.com...