
GAS ANALYZER 363
10. How do I know if my Gas Analyzer is reading correctly?
There are several ways to determine if your analyzer is displaying correct emissions
readings. See Calibration Verification on page 353.
11. While checking the PXA-1000 with the propane calibration
gas, the HC readings are reading half of the value listed on the
bottle. Does my Gas Analyzer need to be recalibrated?
No. When reading propane calibration gas through the sample port of the analyzer, you
must multiply the displayed HC reading by 2 (approximately).
12. Is the PXA-1000 a BAR90-approved analyzer, and can I use
it for state emissions certification inspections?
The PXA-1000 meets all of the BAR90 requirements for the Gas Analyzer portion of
BAR90, but it is not BAR90-certified. BAR90 requirements cover a complete emissions
certification system, of which the Gas Analyzer is just one part.
The PXA-1000 was designed to be used as a diagnostic tool to help locate problems that
cause vehicles to fail state emissions inspections. Emissions certification inspection
requirements are different in each state; therefore, it is difficult to imply that the PXA-
1000 could be used for certification in your area. Contact your state or local I/M program
office to obtain information on emissions certification and inspection in your area.
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