Oakton Acorn pH 5 series Operating Instructions Manual

Contents

Oakton Acorn pH 5 series Operating Instructions Manual Manual pdf 6 page image

1110Millivolt (mV) CalibrationmV calibration is performed for ORP (Redox) measurements, where you can adjustits mV values as a base value for measurements. Contact your OAKTON distributorfor ORP electrodes.1. Press MODE/INC key to enter mV mode. LCD displays "mV".2. Press the CAL key. LCD shows "CA", and thereading flashesSee figure3. Use the MODE/INC key to adjust the readingto your desired value. The maximum adjust-ment you can make is ±25 mV. If theMODE/INC key is pressed continuously, thereading scrolls to the maximum allowablevalue, and then loops back to the minimumallowable value.4. Press ENTER key to confirm calibration. TheLCD displays "CO" and the meter thenreverts to measurement mode.5. MeasurementTaking Measurements1. Rinse both electrode and temperature sensor with distilled water.2. Turn meter on. Press MODE key to select desired parameter(pH, mV, Temperature).3. Dip electrode and temperature sensor approximately 1" to 2" into sample.Stir gently and wait for display to stabilize. Note reading.5.1Hold functionTo freeze your reading, press the HOLD key once.The LCD show "HO" to indicate the HOLD func-tion is activatedSee figurePress HOLD key again to deactivate the HOLDfunction and return to measurement mode.pHHOAA5.2AA BmVB4.3