| Analyzer section | | | |
| O-ring for sample cell, 180, 90, 20 mm | 2 | 4 | C71121-Z100-A99 |
| Chopper | | | |
- with motor, for 1 IR channel (7MB2335-...)
| 1 | 1 | C79451-A3468-B515 |
- with motor, for 2 IR channels (7MB2337-..., 7MB2338-...)
| 1 | 1 | C79451-A3468-B516 |
| Electronics | | | |
| Motherboard | - | 1 | C74951-A3492-B601 |
| Keypad | 1 | 1 | C79451-A3492-B605 |
| LCD module | 1 | 1 | C79451-A3494-B16 |
| Connector filter | - | 1 | W75041-E5602-K2 |
| Mains switch | - | 1 | W75050-T1201-U101 |
| Fuse 220 V ... 240 V | 2 | 4 | W79054-L1010-T630 |
| Fuse 100 V ... 120 V | 2 | 4 | W79054-L1011-T125 |
| Other | | | |
| Safety filter (zero gas), internal | 2 | 2 | A5E00059149 |
| Safety filter (sample gas), internal | 2 | 3 | C79127-Z400-A1 |
| Pressure switch (sample gas) | 1 | 2 | C79302-Z1210-A2 |
| Flowmeter (version with pump only) | 1 | 2 | C79402-Z560-T1 |
| Set of gaskets for sample gas pump | 2 | 5 | C79402-Z666-E20 |
| Condensation trap (for portable unit, in sheet-steel enclosure) | 1 | 2 | C79451-A3008-B43 |
| Filter (for portable unit, in sheet-steel enclosure) | 1 | 2 | C79451-A3008-B60 |
| Oxygen sensor | 1 | 1 | C79451-A3458-B55 |
| Sample gas pump 50 Hz | 1 | 1 | C79451-A3494-B10 |
| Sample gas pump 60 Hz | 1 | 1 | C79451-A3494-B11 |
| Solenoid valve | 1 | 1 | C79451-A3494-B33 |
