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Mini waterproof pH meter PH-032K
Specifications:
Measurement range: 0.00-14. 00ph Resolution: 0.01 PH Accuracy: ±0.1 ph Operating temperature: 0℃~50℃ Temperature compensation: 0℃~50℃ Power supply: 3×1.5v (AG-13 button battery) (not included) Calibration: manual , at one point through the trimmer Dimension: 160mm × 22mm × 20mm Weight: 55g
Operation:
1. Remove the protective cap. 2. First rinse the electrode with distilled water and vacuum it with filter paper. 3. Turn on the meter by pressing the on key. 4. Immerse the electrode of the pH meter in the solution to be tested. 5. Stir gently and wait for the reading to stabilize. 6. After use, rinse the electrode with water to minimize contamination. Turn the meter on by pressing the OFF button. 7. Store the electrode with a few drops of distilled water or ionized water in the protective cap. 8. Always replace the protective cap after use. Notes: 1. The electrode glass bulb is fragile. Treat it with care. Do not touch it with hard tools and fingers. Suck the water on it gently when cleaning. 2. Clean the electrode with distilled or ionized water each time before and after use.
PH Calibration:
1. Immerse the electrode in a standard pH 6.86(pH7.00) phosphate buffer solution and shake it gently. 2. Allow the reading to stabilize and with a small screwdriver turn the calibration trimmer until the display reads “6.86” (“7.00”). Rinse the electrode with distilled water and vacuum it with filter paper. 3. Immerse the electrode in pH4.01 or pH9.18(pH10.0) standard borax buffer solution. 4. After about one minute, until the display shows “4.01” or “9.18” (“10.0”).
FAQ
Q: The product was calibrated before leaving the factory. Is it necessary to calibrate it? The pH range of the instrument must be recalibrated each time:
A: the electrode has been used (placed) for a long time since the last calibration. The electrode was used in particularly difficult conditions. The greatest precision is required. Replace the new electrode.
Battery Installation:
A: if the meter cannot be turned on or the display fades, to change the batteries . Unscrew the battery compartment cap on the top of the meter and remove the battery case and replace the batteries. Pay attention to the polarity of the battery.
Data sheet
Specific References
