... please read the manual carefully! 1.2 Application The application of EA series is diversified Details are shown as Table1 Table1 Application of EA series Model Application TC- 1000 Plus K+, Na+, ... after measuring each sample, while under Manual- Cal.” users must go back to the main menu to press “CAL” key and then the equipment will calibrate If choose Manual- Cal.”, we suggest to calibrate ... as Table1 Table1 Application of EA series Model Application TC- 1000 Plus K+, Na+, Cl- ,Ca++ ,PH TC- 1000 K+, Na+, Cl- 1.3 Principle of Ion Selectivity Electrodes 1.3.1 Introduction The principle...