Honeywell 800 Series Manual page 25

HONEYWELL MODEL 700/800 SIGNAL PROCESSOR AND VIEWING HEAD
HIGH FREQUENCY
FLICKER ZONE
LOW FREQUENCY
FLICKER ZONE
Fig. 16. IR Viewing Head Location
Fig. 17. UV Viewing Head Location
25
DETECTOR IN GOOD
SIGHTING POSITION
(PARALLEL SIGHTING)
DETECTOR IN POOR
SIGHTING POSITION
UV RADIATION
ZONE
BURNER NOZZLE
CENTERLINE
BURNER NOZZLE
CENTERLINE
UV VIEWING
HEAD SIGHTED
ON UV ZONE
M33286B
66-2069EP—08