Description:PH-032K Waterproof Mini pH Meter，It is an advanced handheld device that can be used to test almost all liquids with acidity or alkaline levels in a variety of applications. The instrument has automatic temperature compensation (ATC) to adapt to the temperature difference occurring naturally. It can be widely used in aquariums, farms, swimming pools, domestic water, food processing, laboratories, etc.
Power Supply:3× 1.5v (AG-13 Button Battery) (not included)
Calibration:Manual, at one point through trimmer
Dimension:160 mm × 22 mm ×20mm
Operation:1.Remove the protective cap.
2.First rinse the electrode with distilled water, and suck it with filter-paper.
3.Turn the meter on by pressing the ON key.
4.Immerse the ph meter electrode 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 key.
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.
PH Calibration:1.Immerse the electrode in pH 6.86(pH7.00) standard buffer solution of phosphate, and gently shake it.
2.Allow the reading to stabilize and with a small screwdriver turn the calibration trimmer until the display shows “6.86”(“7.00”). Rinse the electrode with distilled water, and suck it with filter-paper.
3.Immerse the electrode in pH4.01 or pH9.18(pH10.0) the standard buffer solution of borax.
4.After about one minute, until the display shows “4.01”or “9.18”(“10.0”).
Package included:1 x PH-032K Waterproof Mini pH Meter