TABLE OF CONTENTS
1. FEATURES......................................................................... 1
2. SPECIFICATIONS............................................................... 2
3. FRONT PANEL DESCRIPTION..............................................5
3-1 Display..............................................................................
5
3-2 Logger button, Enter button................................................
5
3-3
button,
Time button.......................................................
▲
5
3-4
button...........................................................................
▼
5
3-5 SET button........................................................................
5
3-6 Humidity/Temp. sensor.......................................................
5
3-7 Hanging holes ( main meter )..............................................
5
3-8 Stand................................................................................
5
3-9 Battery cover/Battery compartment.....................................
5
3-10 Screw of the battery cover................................................
5
3-11 Reset button....................................................................
5
3-12 RS-232 output terminal.....................................................
5
3-13 SD card socket.................................................................
5
3-14 DC 9V power adapter input Socket.....................................
5
3-15 CO2 probe input socket.....................................................
5
3-16 CO2 probe/sensor.............................................................
5
3-17 Plug of CO2 probe............................................................
5
3-18 Hanging hole ( CO2 probe )...............................................
5
3-19 Main meter hanging unit ( with sticker ).............................
5
3-20 CO2 hanging unit ( with sticker ).......................................
5
4. MEASURING PROCEDURE...................................................6
5. DATALOGGER.................................................................... 6
5-1 Preparation before execute datalogger function....................
6
5-2 Datalogger.........................................................................
8
5-3 Check time information.......................................................
9
5-4 SD Card Data structure.......................................................
9
6. Saving data from the SD card to the computer.....................10
7. ADVANCED SETTING..........................................................11
7-1 SD memory card Format.....................................................
12
7-2 Set clock time....................................................................
12
7-3 Set sampling time...............................................................
13
7-4 Set beeper sound ON/OFF...................................................
13
7-5 Set SD card Decimal character.............................................
14
7-6 Select the Temp. unit to or .........................................
℃
℉
15
7-7 Set RS232 data output ON/OFF...........................................
15
7-8 Set CO2 height ( meter ) compensation value.......................
16
7-9 Set CO2 height ( feet ) compensation value..........................
16
8. POWER SUPPLY from DC ADAPTER.....................................16
9. CLOCK BACKUP BATTERY REPLACEMENT............................17
10. SYSTEM RESET................................................................17
11. RS232 PC serial interface..................................................18
12. ANNEX.............................................................................20
13. PATENT...........................................................................20