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¿É¼ÇÁ¤º¸[(201739810)PH818][(350686)PH818M][(350850)AR8210]
This device is an intelligent precision measuring instrument, which is designed and manufactured with precision components and sensors. It has high sensitivity and accuracy, can work at different temperatures, is small, and is easy to store and carry. It can measure the PH value and the temperature of the measured solvent. PH meters are widely used in industry, electric power, agriculture, medicine, food industry, etc. It is important to read this instruction before using this equipment to obtain correct readings. 1. Use the data retention function to test the pH and temperature of the solution/water. 2. Pocket type, light and portable, with switchable backlight, large LCD screen and clear reading. 3. Replaceable pH sensor probe - electrode probe can be replaced with plug-in design, which is convenient and quick to replace. 4. ATC function (automatic temperature compensation), automatic calibration and IP65 full waterproof design. 5. It is applicable to water source, soilless culture, aquarium, hydroponics, laboratory, hot spring, swimming pool and other water systems.
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PH measurement range |
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0.00-14.00pH |
PH basic measurement error |
± 0.05pH |
Instrument repeatability |
± 0.03 |
Solvent temperature compensation range |
0-70¡É |
Repeatability |
± 0.01 |
Temperature of measured solvent |
0-60¡É |
Power supply |
1.5V AAA battery * 2pcs (not included) |
Exhibition |
Large LCD segment display |
Operating temperature range |
0-50¡É |
Operating humidity range |
¡Â80%RH |
package |
1 * PH meter |
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How to calibrate the equipment correctly |
Step 1 |
A bag of powder is dissolved in 250ml of pure water. When calibration is required, take some solutions, and keep the remaining solutions sealed for 1 month |
Step 2 |
1. Start the machine, put PH818 into pure water, clean it, and wipe it with a cloth. Press and hold the calibration button, put the machine into the adjusted PH4.00 solution, stir it for a few seconds, and let it stand for a few seconds until the machine screen appears. "PR5" |
Step 3 |
2. When the machine number becomes 6.86, take out the machine, wash it with pure water, wipe it with cloth, put it into the adjusted PH6.86 solution, stir it for a few seconds, and let it stand for a few seconds until "PR5" appears on the machine screen |
Step 4 |
3. When the machine number becomes 9.18, take out the machine, wash it with pure water, wipe it with cloth, put it into the adjusted PH9.18 solution, stir it for a few seconds, and let it stand for a few seconds until "PR5" appears on the machine screen |
Step 1 |
4. The machine returns to the startup state and the calibration is completed. |
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