TABLE OF CONTENTS
1. FEATURES....................................................................1
2. SPECIFICATIONS..........................................................3
2-1 General Specifications..............................................3
2-2 Electrical Specifications......................................... 5
3. FRONT PANEL DESCRIPTION........................................
10
4. MODE SELECTION....................................................... 12
5. PH/mV MEASURING and CALIBRATION
PROCEDURE................................................................
13
6. CONDUCTIVITY/TDS MEASURING and
CALIBRATION PROCEDURE...........................................19
7. SALT MEASURING and calibration PROCEDURE..............
23
8. DO ( Dissolved Oxygen ) MEASURING
and CALIBRATION PROCEDURE....................................
25
9. OTHER FUNCTION........................................................31
9-1 Data Hold...............................................................
31
9-2 Record ( Max./ Min. reading )..................................
31
9-3 LCD Backlight ON/OFF.............................................32
10. DATALOGGER.............................................................32
10-1 Preparation before execute datalo
er function....................32
10-2 Auto Datalo
er ( Set samplin
time 1 second )..............≧ 33
10-3 Manual Datalo
er ( Set samplin
time = 0 second )...........
34
10-4 Check time information.......................................................35
10-5 Check samplin
time information.........................................35
10-6 SD Card Data structure.......................................................35
11. Saving data from the SD card to the computer.............
37
12. ADVANCED SETTING..................................................
39
13. POWER SUPPLY from DC ADAPTER..............................47
14. BATTERY REPLACEMENT.............................................47
15. SYSTEM RESET...........................................................47
16. RS232 PC SERIAL INTERFACE.....................................
48
17. OPTIONAL ACCESSORIES............................................49
18. PATENT......................................................................51