Yokogawa SC72 Personal Handheld Conductivity Meter - Manual (Page 5)

IM 12D03D02-01E 4
Contents
CONTENTS
Preface ...................................................................................................................... 1-1
1. Outline ................................................................................................................. 1-1
1.1 Features ......................................................................................................................... 1-1
1.2 Personal Conductivity Meter Specifications .................................................................. 1-2
1.3 When You Receive This Conductivity Meter ................................................................. 1-3
1.4 Contents of Model SC72 Personal Conductivity Meter Package ................................. 1-4
1.5 Component Names and Functions ................................................................................ 1-5
1.6 Sensor Part Names and Functions ............................................................................... 1-6
1.7 Options (Available Separately) ...................................................................................... 1-8
1.8 Spare Parts .................................................................................................................... 1-8
2. Preparation .......................................................................................................... 2-1
2.1 Installing the Batteries ................................................................................................... 2-1
2.2 Connecting Sensor Cable .............................................................................................. 2-2
2.3 Setting Date and Time ................................................................................................... 2-3
2.4 Setting Temperature Unit .............................................................................................. 2-4
2.5 Setting Cell Constant ..................................................................................................... 2-4
2.6 Setting Temperature Compensation Coefficient ........................................................... 2-6
3. Measurement ...................................................................................................... 3-1
3.1 Precautions .................................................................................................................... 3-1
3.2 Measurement Procedures ............................................................................................. 3-2
3.3 Measurement Panel ....................................................................................................... 3-3
3.4 Saving Measured Value ................................................................................................ 3-3
4. Keyswitch Functions .......................................................................................... 4-1
4.1 Names and Functions of Keys ...................................................................................... 4-2
4.2 Liquid Crystal Display and Display Items ...................................................................... 4-4
4.3 Function Modes ............................................................................................................. 4-5
5. Handling of the SC72 Personal Conductivity Meter ........................................ 5-1
5.1 Tips to Maintain Meter Performance ............................................................................. 5-1
5.2 Washing the Electrode .................................................................................................. 5-2
5.3 Cleaning and Drying Connector .................................................................................... 5-3
5.4 Calibration with Standard Solution ................................................................................ 5-4
5.5 Storage and Maintenance ............................................................................................. 5-7
6. Troubleshooting ................................................................................................. 6-1
6.1 Causes of Abnormal Conductivity Display .................................................................... 6-1
6.2 Error Messages and Corrective Action ......................................................................... 6-2
6.3 Causes of Abnormal Measured Value .......................................................................... 6-4
6.4 Other conditions ............................................................................................................. 6-4
7. Measuring Principles of this Instrument .......................................................... 7-1
7.1 What Is Conductivity? .................................................................................................... 7-1
7.2 Principles of Operation .................................................................................................. 7-2
7.3 Temperature Compensation and Finding Temperature Compensation Coefficient ..... 7-3
7.4 Wetted Part Materials of Sensors ................................................................................. 7-4
Appendix ..................................................................................................................... 1
Revision Record .......................................................................................................... i