This product may be covered by one or more of the following U.S. Patents:
5,393,979
5,561,344
5,773,833
6,225,633
6,313,638
6,333,632
6,320,388
IAQRAE
PGM-5210
INDOOR AIR QUALITY MONITOR
Operation & Maintenance Manual
Document Number: 049-4003-000
Revision B, May 2005