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pH Operation
Important note: Manual or Automatic Temperature compensation must be engaged
before proceeding with pH calibration and pH measurements.
pH CALIBRATION
Note: It is recommended that the meter be calibrated at least once per day.
1.
Connect the pH electrode to the meter’s BNC input jack and rinse it with distilled
water.
2.
Press the POWER key to turn the meter ON.
3.
Place the electrode in a pH 7 buffer solution.
4.
Turn the CAL pH7 potentiometer on the front panel until the display reads 7.00.
5.
Rinse the electrode with distilled water.
6.
Place the electrode in the pH 4 or pH 10 buffer solution.
7.
Turn the SLOPE pH potentiometer until the display reads 4.00 or 10.00.
8.
Rinse the electrode in distilled water.
9.
Repeat as necessary.
Note that if the adjustments described above do not yield a 4.0, 7.0, or 10.0 pH
reading, the electrode may need replacing.
pH MEASUREMENTS
1.
Connect the pH electrode to the meter’s BNC input jack.
2.
Connect the temperature probe if using automatic temperature compensation.
Set the manual temperature compensation if not using the temperature probe.
3.
Turn the meter ON using the POWER key.
4.
Place the electrode and the temperature probe (if using) into the test solution and
read the displayed pH value.
5.
After measuring, rinse the electrode and temperature probe (if using) with distilled
water.
