Part No. Designation Remarks
1 *) IR source with temperature sensor
2.1 Spacer For IR source, if optical lter available
2.2 **) Optical lter
3 *) Chopper 1-channel
4 Chopper plate glued 1-channel with threaded rods and windows
5.1 O-Ring for analyzer chamber required for analyzer chamber lengths 20 mm and more
5.2 Analyzer chamber without O-ring; analyzer chamber length depends on selected measur‐
ing range and measured component
6 Gas lter depends on selected measuring range and measured component
7 * **) Receiver chamber depends on the measured component
*) Following replacement of this part, special work is required which can only be carried out by a Siemens certied service center
or by qualied, specially trained personnel, for example temperature compensation, basic electronic adjustment, 3-point
calibration with calibration gas etc.
**) Following replacement of this part, the water vapor cross-sensitivity must be checked.
Spare parts/accessories
13.6 IR analyzer units
ULTRAMAT 23
198 Equipment Manual, 04/2022, A5E37100388-012
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