Instrument Maintenance Model 200E Instruction Manual
• Adjust the scrubber cartridge such that it does not protrude above or below the
analyzer in case the instrument is mounted in a rack. If necessary, squeeze the clips
for a tighter grip on the cartridge.
Figure 9-4: Zero Air Scrubber Assembly
9.3.8. Changing the NO
2
converter
The NO
2
converter is located in the center of the instrument, see Figure 3-2 for location,
and Figure 9-5 for the assembly. The converter is designed for replacement of the cartridge
only, the heater with built-in thermocouple can be reused.
• Turn off the analyzer power, remove the cover and allow the converter to cool.
• Remove the top lid of the converter as well as the top layers of the insulation until
the converter cartridge can be seen.
CAUTION
The converter operates at 315º C. Severe burns can result if the
assembly is not allowed to cool. Do not handle the assembly until it is at
room temperature. This may take several hours.
150 044100102 Rev A
To Next Page
Loading...
