Teledyne 7500, Infrared Gas Analyzer The contents in each measured CH corresponding to the type are given below:

29 Model 7500 Instruction Manual
Teledyne Analytical Instruments
(3) Contents of measured channel (CH)
The contents in each measured CH corresponding to the type are given below:
Type code Contents
5th
digit
6th digit 7th
digit
CH1 CH2 CH3 CH4 CH5 CH6 CH7
Y C Y O2
A Y Y SO2
B Y Y CO
D Y Y CO2
E Y Y CH4
2 Y Y CO2 CO
3 Y Y CH4 CO
4 Y Y CO2 CH4
5 Y Y CO2 CO CH4
A A, B, C Y SO2 O2
B A, B, C Y, B CO O2
D A, B, C Y CO2 O2
E A, B, C Y CH4 O2
2 A, B, C Y, B CO2 CO O2
3 A, B, C Y, B CH4 CO O2
4 A, B, C Y CO2 CH4 O2
5 A, B, C Y CO2 CO CH4 O2
A A, B, C A SO2 O2 Corrected
SO2
Corrected
SO2
average
O2
average
B A, B, C A, C CO O2 Corrected
CO
Corrected
CO
average
O2
average
2 A, B, C A, C CO2 CO O2 Corrected
CO
Corrected
CO
average
O2
average
3 A, B, C A, C CH4 CO O2 Corrected
CO
Corrected
CO
average
O2
average
5 A, B, C A, C CO CO CH4 O2 Corrected
CO
Corrected
CO
average
O2
average
How to view the Table
When SO2 is displayed in CH1, it means that display and output of CH1 correspond to SO2 component.