Table of Contents
EGM-4 Operator's Manual – Version 4.19
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Changing the Zero Time ................................................................................................... 32
3PMP ................................................................................................................................ 32
Static Sampling with the EGM-4....................................................................................... 32
4AV ................................................................................................................................... 32
5RECD ............................................................................................................................. 33
6ALM ................................................................................................................................ 33
Setting the Low CO
2
Alarm Setpoint ................................................................................ 33
Setting the High CO
2
Alarm Setpoint ............................................................................... 34
7VOUT .............................................................................................................................. 34
3CAL ........................................................................................................... 35
Connecting Calibration Gas To The EGM-4 .................................................................... 35
4DMP .......................................................................................................... 36
Screen Display ................................................................................................................. 36
Data Dump ....................................................................................................................... 37
Transferring Stored Data Using The Windows
®
Based Software Program ..................... 37
Logging Data .................................................................................................................... 38
Record Structure .............................................................................................................. 38
Data Structure Based On Probe/Sensors ........................................................................ 39
Error Cod .......................................................................................................................... 40
es ...................................................................................................................................... 40
EGM Serial Outputs .................................................................................... 41
5CLR ........................................................................................................... 41
6CLK ........................................................................................................... 42
Diagnostics and Initialisation ..................................................................... 43
Diagnostics ................................................................................................. 43
Initialisation ................................................................................................. 43
Maintenance ................................................................................................. 44
Soda Lime Absorber Column ...................................................................... 44
Soda Lime ........................................................................................................................ 44
MATERIAL SAFETY DATA FOR SODA LIME ................................................................ 45
Servicing The EGM-4 .................................................................................. 46
Fuse .................................................................................................................................. 46
Inside the EGM-4 .......................................................................................................... 47
Infrared Source ................................................................................................................. 47
Checking EGM-4 Raw A/D Readings .............................................................................. 48
EPROM ............................................................................................................................ 48
ZERO Valve...................................................................................................................... 49
12V Lead Acid Battery ...................................................................................................... 49
12V Lead Acid Battery Specification ................................................................................ 49
Removing The 12V Lead Acid Battery ............................................................................. 49
12V NiMH Battery ............................................................................................................. 50
12V NiMH Battery Specification ....................................................................................... 50
Removing The 12V NiMH Battery .................................................................................... 50
Air Sampling Pump ........................................................................................................... 51
Replacing The Air Sampling Pump .................................................................................. 51
Cleaning The Air Sampling Pump .................................................................................... 51
In-Line Filter Assembly (Hydrophobic) ............................................................................. 52
Consumables and Spares for EGM-4 ......................................................... 53
User Notes .................................................................................................... 54
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