User Guidelines
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Measure Range: 0.00~14.00PH
Resolution: 0.01PH
Accuracy: ±0.1PH
Operating Temperature: 0°C ~ 50°C
Automatic Temperature Compensation: 0°C ~ 50°C
Power Supply: 4 x 1.Sv (AG-13 Button Battery)
Calibration: Manual.
Dimensions: 188mm x 35mm x 35mm
Weight: 98g
Operating Instructions:
Remove the protective cap.
First rinse the electrode with distilled water, and suck it with filter paper.
Turn the meter on by pressing the ON key.
Immerse the pH meter elec-trode in the solution to be tested.
Stir gently and wait for the reading to stabilize.
Press the "HOLD" key, the reading is be kept. When re-peat measuring,
please press the "HOLD" key again, it automatically relieves the hold
condition.
After use, rinse the electrode with water to minimize con-tamination. Turn the
meter on by pressing the OFF key.
Always replace the protective cap after use.
PH Calibration:
Immerse the electrode in pH 6.86(or pH7.00) standard buffer solution of
phosphate, and gently shake it.
Allow the reading to stabilize and with a small screwdriver turn, the calibration
trimmer beside the battery until the dis-play shows is corresponding the
calibration solution. Rinse the electrode with distilled water, and suck it with
filter paper.
