A120/130
I
16
•
Relative millivolt (R.mV)
Press the
Mode
key and the
key to select the
ORP
, press the
Enter
key to enter the relative mV measurement mode.
The meter only allows performing a calibration or viewing the
calibration report in the ORP mode.
ORP Calibration
The A series meter allows 1 point calibration in the ORP mode, but
calibration is not necessary unless exact readout agreement with a
work standard and at a specific ORP value is needed.
1.1 Rinse the ORP electrode with distilled water, place the electrode
into the standard solution, stir gently and wait until the
measurement is stable.
1.2 Press the
Cal
key, the status bar shows "Setting the calibration
value".
1.3 Press the
/
key to set the value. Press the
Enter
key, the
meter begins the calibration.
1.4 Wait for the mV reading to stabilize, the meter will automatically
show
"Calibration is completed" and return to the measurement
mode.
To exit the calibration without saving changes, press the
ESC
key.
Viewing the Calibration Log
2.1 Press the
MR
key, the screen shows a Data Log Menu.
2.2 Press the
Enter
key to view the calibration report.
2.3 Press the
ESC
key to return to the measurement mode.
If the meter is not calibrated, the calibration report will be unavailable.