Table of Contents
1. Introduction ---------------------------------------------------------------------------------------------------------------------------
2. Specifications ------------------------------------------------------------------------------------------------------------------------
3. Instrument Description -------------------------------------------------------------------------------------------------------------
3.1. LCD display----------------------------------------------------------------------------------------------------------------------
3.2. Keypad functions ---------------------------------------------------------------------------------------------------------------
3.3. Meter socket ----------------------------------------------------------------------------------------------------------------------
3.4. Display mode----------------------------------------------------------------------------------------------------------------
3.5. Store, recall and clear readings---------------------------------------------------------------------------------------------
3.6. Auto. power off-------------------------------------------------------------------------------------------------------- -----
3.7. Temperature adjustment --------------------------------------------------------------------------------------------------
4. pH measurement --------------------------------------------------------------------------------------------------------- -----------
4.1. pH electrode information------------------------------------------------------------------------------------------------------
4.2. pH calibration consideration -------------------------------------------------------------------------------------------------
4.3. pH calibration --------------------------------------------------------------------------------------------------------------------
4.4. Customer-defined calibration -------------------------------------------------------------------------------------------------
4.5. Sample test -----------------------------------------------------------------------------------------------------------------------
4.6. pH electrode maintenance----------------------------------------------------------------------------------------------------
5. mV measurement---------------------------------------------------------------------------------------------------------------------
6. Conductivity measurement ----------------------------------------------------------------------------------------------------------
6.1. Conductivity electrode information-------------------------------------------------------------------------------------------
6.2. Conductivity calibration consideration-------------------------------------------------------------------------------------
6.3. Conductivity calibration--------------------------------------------------------------------------------------------------------
6.4. Relations between TDS, salinity, and conductivity------------------------------------------------------------------
6.5. Customer-defined calibration--------------------------------------------------------------------------------------------------
6.6. Sample test------------------------------------------------------------------------------------------------------------------------
6.7 Conductivity electrode maintenance-----------------------------------------------------------------------------------------
7. Parameter setting----------------------------------------------------------------------------------------------------------------------
7.1. Main menu-------------------------------------------------------------------------------------------------------------------------
7.2. Sub-menu --------------------------------------------------------------------------------------------------------------------------
7.3. Sub-menu of pH parameter setting -------------------------------------------------------------------------------------
7.4. Sub-menu of conductivity parameter setting ------------------------------------------------------------------------
7.5. Sub-menu of basic parameter setting ---------------------------------------------------------------------------------------
8. USB communication-------------------------------------------------------------------------------------------------------------------
9. Meter Kits---------------------------------------------------------------------------------------------------------------------------------
10. Warranty--------------------------------------------------------------------------------------------------------------------------------
Appendix I: Parameter setting and factory restoring setting-------------------------------------------------------------------
Appendix II: Abbreviation Glossary---------------------------------------------------------------------------------------------------
Appendix III: Self-diagnosis information---------------------------------------------------------------------------------------------
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