Chapter 3 pH MEASUREMENT
3.2 Open pH Measurement Screen
36
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Electrode status 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. When the sensitivity
returns to the normal range after the repeated calibration, this status display disappears.
Electrode status display
Display
Description
The electrode sensitivity has deteriorated. Wash
the electrode.
Electrode sensitivity: 90% to 93%
The electrode life is coming to the end. Wash the
electrode and repeat the calibration. When the dis-
play does not disappear even after the repeated
calibration, exchange the electrode.
Electrode sensitivity: 85 to 90%
The repeatability is over
±
0.05pH at the prelimi-
nary check. Wash the electrode.
Summary of Contents for F-52
Page 2: ......
Page 13: ...TABLE OF CONTENTS X HORIBA...
Page 31: ...Chapter 1 Overview 1 9 Security Function 18 HORIBA...
Page 41: ...Chapter 2 BASIC OPERATIONS 2 5 Navigation Function 28 HORIBA...
Page 103: ...Chapter 5 Ion Measurement F 53 55 5 5 Check Display 90 HORIBA...
Page 125: ...Chapter 8 RESISTIVITY MEASUREMENT F 54 55 8 2 Setting Configuration 112 HORIBA...
Page 165: ...Chapter 11 METER SETTING 11 8 FDA Part 11 Function Audit Trail F 55 152 HORIBA...
Page 187: ...Chapter 13 ANALOG OUTPUT 13 3 Alarm Output 174 HORIBA...
Page 227: ...Chapter 15 Maintenance and troubleshooting 15 2 Troubleshooting 214 HORIBA...