ORP
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3. When the absolute reading is stable and in the measurement range, the READY and
ACCEPT tags are displayed blinking.
4. Press GLP/ACCEPT to confirm the calibration. The instrument returns to Measurement
mode, Rel mV range.
Clear Calibration
To return to mV measurement range, clear the Rel mV calibration.
1. Press CAL to enter Calibration mode.
2. Press LOG/CLR. The “CLr CAL” message appears on the LCD for one second then the
instrument enters to mV measurement range.
9.3. MEASUREMENT
If necessary, press RANGE until the display changes to ORP measurement range.
Note:
If the instrument displays a Rel mV reading and mV measurements are needed,
clear the Rel mV calibration (see Relative mV Calibration section).
Remove the probe protective cap and immerse the tip approximately 4 cm (1 ½”) into the
sample. Allow the reading to stabilize (blinking WAIT tag disappears).
The instrument displays the mV reading in the first LCD line (or Rel mV reading if a Rel mV
calibration has been performed) and the temperature of the sample in the second
LCD line.
or
