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2PCS/Set Portable Digital Temperature TDS EC PH Meter Test Pen LCD Display Litmus Tester For Water Quality Purity Detector 5 In1

<ul><li>2PCS/Set Portable Digital Temperature TDS EC pH Meter Test Pen LCD Display Litmus Tester for Water Quality Purity Detector 5 in1</li><li>The PH-2 Pro Meter pH is a newly developed pH meter that is similar to litmus paper with a color-changing backlight display. It is easy to use. When immersed in the solution to be measured, the reading can be quickly displayed on the LCD display and automatically calibrated. Just press Calibration can be completed at the touch of a button. No need to use color card and test strip to distinguish pH value, fast and accurate. Mini portable. Widely used, it is an instrument for any aquarium, fishery, swimming pool, spa, school laboratory, food and beverage, drinking water, etc.</li></ul>

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Style 1 Item Describe:1. Display: LCD Digital2. Accuracy: 0.013. Resolution: 0.014. Operating Temperature: 0~80°C5. Measuring Range: -2.00~16.006. Probe Type: Precision glass bulb electrode7.Reset function: Turn it on,Press the ON/OFF key for 3 seconds , and then release it. When "----" appears on the screen, the reset is successful.8.Power-off storage function: The data will be automatically saved after the battery is pulled out and stored for one month.9. Two Colors Backlight DisplayStyle 2 Item Describe:1. Display: LCD Digital2. Accuracy: 0.013. Resolution: 0.014. Operating Temperature: 0~80°C 32.0~176.05. TDS Measuring Range: 0~9999ppm6. EC Measuring Range: 0~9999us/cm7. Probe Type: Precision glass bulb electrode8.Reset function: Turn it on,Press the ON/OFF key for 3 seconds , and then release it. When "----" appears on the screen, the reset is successful.9.Power-off storage function: The data will be automatically saved after the battery is pulled out and stored for one month.10. Two Colors Backlight DisplayHow to calibrate:1. Turn on PH meter2. Disolve each buffer solution in 250ML of distilled water3. 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 will start flashing 6.86-Wait until the display stops flashing.Rinse the electrode with distilled water and dry it with filter paper.5. Immerse the electrode in PH 4.00 solution,-Press "CAL" button for 5 seconds, then press and release immediately second time-Reading will start flashing 4.00-Wait until display stops flashingRinse and dry the electrode with distilled water as before.6. Place the meter back to the buffer solution to test calibration. If incorrect, please repeat the calibration7. If approximate PH of your test solution is known to be above 7.0,calibrate the meter using 6.86 and 9.18 solution. To do this,please follow the calibration chart,The third step is the calibration method for 9.18 point.Kindly Reminder:1. If the tester was used or lay aside long time: recalibrate it.2. If you open battery case or replace battery: recalibrate it.3. The glass bulb of the electrode is fragile. Don't touch it by hard tools and fingers, suck the water on it gently when cleaning.Package include:2 * pH Meter(Batteries not included)3 * Bags Buffer Powder1 * Instruction Manual1 * pH Test paper

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