Figure 4.1 below shows the disassembly of the measurement cell for cleaning. The cell can be easily disassembled after removing the (4)
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 O3 Monitor Instruction Manual - Page 40