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Member Since 3 Years
Nature of Business Manufacturer Year of Establishment 2011Ask for more detail from the seller
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HIGH ACCURACY: The pH meter with automatic calibration button can automatically identify standard buffer solution of pH4.00, pH6.86, pH9.18; Automatic Temperature Compensation(ATC) ranges from 0℃ to 60℃ ensure accurate readings.
EASY TO OPERATE: Turn on the meter by pressing the button, put the meter in the test solution then the pH value and temperature will be stable in seconds. No more color charts or messy test strips.This pH meter is factory calibrated. Users can use it directly.
PORTABLE FOR WILD USE: The dimension is pocket-size and the weight is 50g, which is portable to carry and wildey used in water testing.
USER'S MANUAL: This meter comes with one detailed instruction with pH calibration method.
Specification:
*measure range: 0.00pH-14.0 pH
*resolution: 0.01ph
*accuracy: +/-0.01ph
*Power supply: 2*1.5V ( keep using more than 500 hours(including))
*calibration: two points automatic calibration
*dimension: 155mm*31mm*18mm
*weight: 50g
*Calibration: 2 Points Calibration(25°C, 4.01pH,6.86pH)
Calibration:
1. Turn on pH meter
2. Disolve each buffer solution in 250 ml of distilled water .
3. Immerse the electrode into the pH 6.86 solution.
(under the temperature of 25)
4. Press the "CAL" (calibration) button for 3 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 3 seconds ,then press and release immediately second time
- Reading will start flashing 4.00
- Wait until display stops flashing
Rinse and dry the electrode with distilled water as before.
6. Test calibration by inserting electrode into pH 9.18 buffer solution,
gently swirl electrode until digital display stabilizes. Display should read between 9.16 and 9.20.
(if necessary repeat calibration procedure)
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