Spectrex 40/40L-LB UV/IR Flame Detector Series - Manual (Page 21)

TM 40/40L, Rev (6) February 2013
Performance Considerations 9
Table 3: Fuel Sensitivity Ranges
Type Of Fuel
Max. Distance (ft./m)
L/LB L4/L4B
Gasoline 50/15 66/20
N-Heptane 50/15 66/20
JP5 37/11 49/15
Kerosene 37/11 49/15
Diesel Fuel 37/11 49/15
Alcohol 95% 25/7.5 39/12
IPA 25/7.5 52/16
Methanol 25/7.5 39/12
Methane 15/4.5 26/8
LPG 15/4.5 23/7
Paper 15/4.5 23/7
Polypropylene 15/4.5 16/5
Hydrogen 15/4.5 -
1.5.2 Cone of Vision
 Horizontal: 100°
Figure 1: Horizontal Field of View