Figure 12 Optical Chamber Disassembly; Figure 13 Optics Chamber Windows - Teledyne T640 Standard Operating Procedure

4 Remove optical cell from optics chamber, and remove cup, including its tubing, from optics
chamber bottom; detach RH/T sensor tubing from DFU filter (Figure 11).

Figure 12 Optical Chamber Disassembly

5 Clean the optics chamber interior surfaces, ensuring to include windows, with a lint-free
cloth (Figure 12).

Figure 13 Optics Chamber Windows

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DEP 03-21
Revision No. 0
November 2017