JENCO 6230M Operation manual - page 12
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immerse them in the sample to be measured.
1.4 Press the MEASURE key. The WAIT annunciator will flash until the unit
determines a stable pH reading. When WAIT stops flashing and stays off,
the reading is locked.
NOTE: If no ATC/Temp probe is connected, the MAN will be on, adjust the
temperature reading (-10.0 to 120.0
℃
) to that of the sample using the △
and ▽ keys.
1.5 For inherently unstable samples, the unit will not AUTOLOCK. Use the pH
mode with AUTOLOCK off in this case.
2. Measurement in the pH mode.
2.1 Connect the pH electrode and the ATC/Temp probe to the unit. The ATC
annunciator will be on.
2.2 Press the MODE key repeatedly until the unit displays pH mode.
2.3 Rinse the pH electrode and ATC/Temp probe with distilled water and
immerse them in the sample to be measured.
2.4 Allow sufficient time for the display to stabilize. The unit will display the
pH value of the sample at the displayed sample temperature.
NOTE: If no ATC/Temp probe is connected, the MAN will be on, adjust the
temperature reading (-10.0 to 120.0
℃
) to that of the sample using the △
and ▽ keys.
TEMPERATURE MEASUREMENTS
The meter can measure temperature independently with the ATC/Temp probe without
using the pH electrode.
1. Place the ATC/Temp probe in the media to be measured. The measured
temperature is displayed.
2. OuE or Und will be displayed if the temperature is out of the temperature
measurement range of –10.0 to 120.0℃. Once the temperature is brought within
range, OuE or Und will disappear and the correct temperature reading will be
displayed.
mV MEASUREMENTS
1. Measurement in the mV -AUTOLOCK mode.
1.1 Connect the optional combination ORP electrode to the unit.
1.2 Press the MODE key repeatedly until the unit display mV-AUTOLOCK
mode.
1.3 Rinse the electrode with distilled water and immerse it in the sample to be