
20
95-8576
3.3
FM Approvals Description and performance Report – Continued
FALSE ALARM IMMUNITY:
Very high Sensitivity
FIELD OF VIEw:
Very high Sensitivity
notE
Refer to the “High Resolution Field of View” charts
(page 22) for additional information.
Very high Sensitivity
RESpONSE ChARACTERISTICS:
*
Standard Liters Per Minute (Standard conditions defined as +25°C and 14.696 PSIA)
False Alarm Souce
Distance
feet (m)
Modulated Response
Unmodulated Response
Sunlight, direct
—
No alarm
No alarm
Sunlight, reflected
—
No alarm
No alarm
Vibration
N/A
N/A
N/A
Arc welding
20 (6)
No alarm
No alarm
70 w sodium vapor lamp
10 (3)
No alarm
No alarm
250 w mercury vapor lamp
10 (3)
No alarm
No alarm
300 w incandescent lamp
10 (3)
No alarm
No alarm
500 w shielded quartz halogen lamp
15 (5)
No alarm
No alarm
1500 w electric quartz heater
10 (3)
No alarm
No alarm
Two 34 w fluorescent lamps
5 (1.5)
No alarm
No alarm
Fuel
Size / Flow Rate
Distance
feet (m)
Avg. horiz. Response
Time (seconds)
Hydrogen
24inch plume/100 SLPM*
100 (30.5)
2
Methanol
1 x 1 foot
70 (21.3)
2
Fuel
Size/
Flow Rate
Distance
feet (m)
horizontal
(degrees)
Avg. horiz. Response
Time (seconds)
Vertical
(degrees)
Avg. Vert. Response Time
(seconds)
Hydrogen
24inch plume/
100 SLPM
100
(30.5)
+45
-45
4
3
+45
-30
3
3
Methanol
1 x 1 foot
70
(21.3)
+45
-45
2
3
+45
-30
2
2