For more information & technical support:
22
F-Guard UV-IR-HD User Manual
76-M-6010-02-02
Sensitivity
The detector can be configured to one of four sensitivity levels: low, medium, high and extreme.
The following table lists for each sensitivity setting the maximum distance, in which a standard
fire
T
ABLE
3:
S
ENSITIVITY LEVELS
Sensitivity level
Detection distance
in feet (meters)
Low
16 (5)
Medium
49 (15)
High
75 (23)
Extreme
98 (30)
Further details about the response characteristics of the detector at the different sensitivity
settings and fuel types can be found in section 10.
Ultra-Fast Detection
The ultra-fast detection feature allows detection of fireballs and explosions at 40 milliseconds.
This feature can be disabled or enabled regardless of the alarm delay configuration.
Alarm Delay
When a fire is detected, the detector delays the execution of the alarm outputs up to the
configured time period. After this time delay, the detector re-evaluates the situation. If a fire is
still detected the alarm outputs are activated.
Alarm Latch
If alarm latch is enabled, the detector outputs will remain active even after a flame is no longer
detected. To reset the detector outputs the detector must be power cycled or a manual BIT
initiated.
Enable Pre-Alarm 0-20mA
If the Pre-Alarm is enabled and Alarm Delay is greater than 0, The detector 0-20mA output will be
16mA and the red LED will blink in case of a fire condition.
1
A standard fire is defined as a 1x1
ft
2
(0.1 m
2
) N-heptane pan fire, with maximum wind speed of
6.5 ft/s (2 m/s).
