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7
OPERATIONAL GUIDE
INITIAL PREPARATION
INITIAL PREPARATION
INITIAL PREPARATION
INITIAL PREPARATION
INITIAL PREPARATION
Plug the 12 VDC adapter to the power supply socket. To prepare the instrument for pH
measurements, connect the pH electrode to the BNC connector and the temperature
probe to the appropriate socket on the rear panel of the instrument. The temperature
probe is used in conjunction with the pH electrode to utilize the instrument's ATC
capability, but it can also be used independently to take temperature measurements.
For electrodes with a separate reference, connect the electrode’s BNC to the BNC
connector and plug the reference electrode to the reference socket.
For temperature measurements and pH automatic temperature compensation connect the
temperature probe to the appropriate socket. After taking measurements switch the meter
off, clean the electrode and store it with a few drops of MA 9015
MA 9015
MA 9015
MA 9015
MA 9015 storage solution in the
protection cap.
For EC/TDS measurements connect the EC probe to the 7-pin connector. Make sure the
probe sleeve is properly inserted and tighten the threaded ring.
The instrument enters the same range and mode as it was at power off. For pH and mV/Rel mV
modes, after turning the instrument on, the “OPEN” tag and the “ ” and “ ” symbols from the
electrode blink on the LCD for a few seconds to remind the user to unscrew the electrode
refilling cap, and to remove the protective cap before taking measurements.
pH
pH
pH
pH
pH MEASUREMENTS
MEASUREMENTS
MEASUREMENTS
MEASUREMENTS
MEASUREMENTS
Make sure the instrument has been calibrated before taking pH measurements.
• If necessary, press the RANGE key until the display changes to pH mode.
• Submerge the tip of the electrode (4cm/1½") and the temperature probe into the sample
to be tested and stir gently. Allow for the electrode to stabilize.
• The pH measurement is displayed on the primary LCD and the temperature on the secondary LCD.
• If the reading is out of range, the closest full-scale value will blink on the primary LCD.
