TABLE OF CONTENTS
1. FEATURES.......................................................................1
2. SPECIFICATIONS.............................................................1
3. FRONT PANEL DESCRIPTION........................................... 5
3-1 Display...................................................................... 5
3-2 Power Button.............................................................5
3-3 Hold Button ( Esc Button ).......................................... 5
3-4 REC Button ( Enter Button )........................................5
3-5 Set Button ( Button ).............................................
▲
5
3-6 Alarm/Dew point Button ( Button )..........................
▼
5
3-7 Battery Compartment/Cover....................................... 5
3-8 Stand........................................................................ 5
3-9 Input socket.............................................................. 5
3-10 RS-232 Output Terminal........................................... 5
3-11 DC 9V Power Adapter Input Socket........................... 5
3-12 Reset button............................................................5
3-13 CO2 Probe Head...................................................... 5
3-14 CO2 Probe Handle....................................................5
3-15 CO2 Probe Plug........................................................5
3-16 Humidity Probe Head................................................5
3-17 Humidity Probe Handle............................................. 5
3-18 Humidity Probe Plug................................................. 5
4. MEASURING PROCEDURE.................................................7
4-1 CO2 measurement..................................................... 7
4-2 Humidity measurement.............................................. 7
a. Humidity/Temp. measurement.................................. 7
b. Dew point measurement...........................................8
4-3 CO2 alarm setting...................................................... 8
4-4 Data Hold.................................................................. 8
4-5 Data Record ( Max, Min reading )................................9
5. ADVANCED SETTING....................................................... 9
5-1 Auto power off enable/disable.....................................10
5-2 Change the Temp , unit......................................
℃ ℉
11
5-3 CO2 alarm value setting............................................. 11
5-4 CO2 altitude ( Height ) value setting........................... 12
6. RS232 PC SERIAL INTERFACE.......................................... 12
7. BATTERY REPLACEMENT..................................................14
8. SYSTEM RESET................................................................14
9. ANNEX............................................................................15
