TABLE OF CONTENTS
1. FEATURES.................................................................1
2. SPECIFICATIONS.......................................................2
2-1 General Specifications...........................................2
2-2 Electrical Specifications.........................................4
3. FRONT PANEL DESCRIPTION..................................... 6
4. MODE SELECTION.....................................................8
5. CONDUCTIVITY/TDS MEASURING and
CALIBRATION PROCEDURE........................................8
5-1 Conductivity measurement....................................9
5-2 TDS ( PPM ) measurement....................................10
5-3 Calibration...........................................................11
6. SALT MEASURING and calibration PROCEDURE........... 13
6-1 Salt measurement................................................13
6-2 Calibration...........................................................14
7. OTHER FUNCTION.....................................................14
7-1 Data Hold............................................................14
7-2 Record ( Max./ Min. reading )............................... 14
7-3 LCD Backlight ON/OFF..........................................15
8. DATALOGGER............................................................15
8-1 Preparation before execute datalogger function..................
15
8-2 Auto Datalogger ( Set sampling time 1 second )............
≧
16
8-3 Manual Datalogger ( Set sampling time = 0 second )..........
17
8-4 Check time information.....................................................
17
8-5 Check sampling time information.......................................
18
8-6 SD Card Data structure.....................................................
18
9. Saving data from the SD card to the computer............ 20
10. ADVANCED SETTING............................................... 22
11. POWER SUPPLY from DC ADAPTER...........................28
12. BATTERY REPLACEMENT..........................................28
13. SYSTEM RESET........................................................29
14. RS232 PC SERIAL INTERFACE.................................. 29
15. OPTIONAL ACCESSORIES.........................................31
16. PATENT...................................................................32