Horiba Scientific LAQUA F-73A-S Instruction Manual page 61

Ph/ion meter
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Calibration Result Indication
When the electrode sensitivity is still low after calibration, or when a malfunction occurs at
the preliminary check, the following display appears on the screen.
Display
Good
Electrode check
Electrode NG
Sensitivity
90% to 105%
You can use it without any problem.
Wash the electrode.
85% to 90%
If the sensitivity does not improve after
recalibration, replace the electrode.
This appears only for calibration data on the DATA
screen. (Calibration with 85% or less sensitivity
85% or less than
does not apply to measurement, but is recorded on
the DATA screen.)
Replace the electrode.
Description
41

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