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Figure 4.1 below shows the disassembly of the measurement cell for cleaning. The cell
can be easily disassembled after removing the (4) #8-32 screws from the rear of the
sensor assembly. The two sapphire Cell Windows and the Stainless Steel Cell Spacer can
be cleaned with isopropyl alcohol and rinsed with distilled water. Before reassembly,
inspect all three O-Rings to ensure that they are in good condition and replace if
necessary. After reassembly, the sensor should be leak checked.
FIGURE 4.1 MEASUREMENT CELL DISASSEMBLY
4.4 Degree of Protection
The Model 450NEMA has a water ingress rating of IPX66 which indicates that it can
withstand strong jets of water and is totally protected against dust.
P/N 02826B1 Teledyne API Model 450H O
3
Monitor Instruction Manual - Page 40