Sper Scientific 850086 Water Quality Meter pH Kit - Manual (Page 8)

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button. The LCD flashes momentarily.
• Press the °C/°F button to select the desired unit of measure.
• Place the temperature probe into the solution and the LCD will display the
measurement.
2. PH Measurement
Once the unit has been calibrated:
•
Connect the pH Electrode to the PH BNC INPUT SOCKET.
• Press the PH/MV button to select the pH mode. ("PH" appears on the
LCD).
• Place the electrode into the solution. The pH measurement is displayed.
• Rinse the electrode with distilled water after each use.
3. mV Measurement
The mV (millivolt) mode, enables the user to make ion-selective, oxidation-
reduction potential (ORP), and other precise mV measurements.
•
Press the PH/MV button and select the mV mode ("mV" appears on the
LCD).
• Place the electrode into the solution. The mV measurement is displayed.
• Rinse the electrode with distilled water after each use.
4. Hold
•
During the measuring procedure, press the HOLD button to freeze the
display. The LCD will display the word: "HOLD."
• Press the HOLD button again to exit.
5. Maximum / Minimum
To record the maximum and minimum readings:
•
Press the REC button once. "REC" appears on the LCD.
• Press the REC button again. "REC Max" and the maximum measure-
ment appear on the LCD. (To delete the maximum measurement, press
the HOLD button for at least 2 seconds. When released, the LCD dis-
plays only "REC".)
• Press the REC button again. "REC Min" and the minimum measurement
appear on the LCD. (To delete the minimum measurement, press the
HOLD button for at least 2 seconds. When released, the LCD displays
only "REC".)
• To exit the this function, press and hold the REC button for at least 2
See Fig.1, Pg.4 for inputs & button locations