Table of Contents
1 Brief Introduction .......................................................................................................................... - 3 -
1.1 Measuring Parameters .......................................................................................................... - 3 -
1.2 Features and Functions ......................................................................................................... - 3 -
1.3 Features in pH Measurement (for PH400 and PC400) .......................................................... - 3 -
1.4 Features in Conductivity Measurement (for EC400 and PC400) ............................................ - 3 -
2 Technical Specifications ................................................................................................................ - 4 -
2.1 Parameter Specifications ....................................................................................................... - 4 -
2.2 Other Specifications .............................................................................................................. - 5 -
3 Instrument Description .................................................................................................................. - 5 -
3.1 LCD Display .......................................................................................................................... - 5 -
3.2 Keypad .................................................................................................................................. - 6 -
3.3 Connectors ............................................................................................................................ - 7 -
3.4 Display Mode ........................................................................................................................ - 7 -
4 pH Measurement .......................................................................................................................... - 7 -
4.1 Information regarding the pH Electrode ................................................................................. - 7 -
4.2 Information regarding pH Calibration ..................................................................................... - 7 -
4.3 pH Calibration (Take 3-point calibration as an example) ........................................................ - 9 -
4.4 Sample Measurement ......................................................................................................... - 10 -
4.5 Maintenance of the pH Electrode ......................................................................................... - 11 -
5 mV Measurement ....................................................................................................................... - 12 -
5.1 ORP measurement .............................................................................................................. - 12 -
5.2 Notes on ORP measurement............................................................................................... - 12 -
6 Conductivity Measurement ......................................................................................................... - 13 -
6.1 Information regarding the Conductivity Electrode ................................................................ - 13 -
6.2 Information regarding Conductivity Calibration .................................................................... - 14 -
6.3 Conductivity Calibration ....................................................................................................... - 15 -
6.4 TDS & Conductivity ............................................................................................................. - 16 -
6.5 Sample test ......................................................................................................................... - 16 -
6.6 Maintenance of the Conductivity Electrode .......................................................................... - 17 -
7 Parameter Setting ....................................................................................................................... - 17 -
7.1 Main Menu .......................................................................................................................... - 17 -
7.2 Sub-Menu ........................................................................................................................... - 17 -
7.3 pH Setting Sub-Menu .......................................................................................................... - 19 -
7.4 Conductivity Setting Sub-Menu ........................................................................................... - 19 -
7.5 Basic Parameter Setting Sub-Menu .................................................................................... - 20 -
8 Complete Kit ............................................................................................................................... - 20 -
9 Appendix 1: Table of Parameter Setting and Factory Default Setting .......................................... - 21 -
10 Appendix 2: Table of Self-Diagnosis ........................................................................................ - 21 -
11 Appendix 3: Icons and Abbreviation ........................................................................................ - 22 -
12 Warranty ................................................................................................................................. - 22 -
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