Ve r s i o n 2.0
Contents
1 Introduction .......................................................................................................................................... 1
1.1 Measurement Parameters ............................................................................................................... 1
1.2 Basic Features ................................................................................................................................ 1
1.3 pH Measurement Features ............................................................................................................. 1
2 Specifications ...................................................................................................................................... 2
2.1 Main Specifications ......................................................................................................................... 2
2.2 Other Specifications: ....................................................................................................................... 2
3 Instrument Description ........................................................................................................................ 2
3.1 LCD Display: ................................................................................................................................. 2
3.2 Keypad Functions ........................................................................................................................... 3
3.3 Meter Socket ................................................................................................................................... 4
3.4 Reading Stability Display Mode ...................................................................................................... 4
3.5 Automatic Lock Display Mode ......................................................................................................... 5
3.6 Automatic Power-off ........................................................................................................................ 5
3.7 Manual Temperature Compensation (MTC) .................................................................................... 5
4 pH Measurement ................................................................................................................................. 5
4.1 pH Electrode Information ................................................................................................................ 5
4.2 pH Calibration Consideration .......................................................................................................... 5
4.3 pH Meter Calibration (with an example of 3-point calibration) ........................................................ 7
4.4 Sample Test ..................................................................................................................................... 8
4.5 pH Electrode Maintenance .............................................................................................................. 9
5 mV Value Measurement: ................................................................................................................... 10
5.1 ORP Measurement ........................................................................................................................ 10
5.2 Notes ............................................................................................................................................. 10
6 Parameter Setting ............................................................................................................................. 11
7 What’s in the Kit ................................................................................................................................ 13
8 Recommended pH Electrodes for Different Applications .................................................................. 14
9 Warranty ............................................................................................................................................ 15
10 Appendix I: Parameter Setting & Factory Default Setting ................................................................. 16
11 Appendix II: Abbreviation Glossary ................................................................................................... 17