Spectrex 40/40I Triple IR (IR3) Flame Detector - Manual (Page 55)

Technical Specifications 43
A Specifications
➣ In this appendix…
Technical Specifications page 43
Electrical Specifications page 44
Outputs page 44
Approvals page 46
Mechanical Specifications page 47
Environmental Specifications page 47
A.1 Technical Specifications
Spectral Response Three IR Bands
Detection Range
(at highest Sensitivity
Setting for 1ft
2 (0.1m 2 ) pan
fire)
Fuel ft. / m Fuel ft. / m
n-Heptane 215 / 65 Kerosene 150 / 45
Gasoline 215 / 65 Ethanol 95% 135 / 40
Diesel Fuel 150 / 45 Methanol 115 / 35
JP5 150 / 45 IPA (Isopropyl
Alcohol) 135 / 40
Methane* 100 / 30 Polypropylene
Pellets 16 / 5
LPG* 100 / 30 Office Paper 33 / 10
* 20" (0.5m) high, 8" (0.2m) width plume fire
Response Time Typically 5 seconds
Adjustable Time Delay Up to 30 seconds
Sensitivity Ranges 4 Sensitive ranges for 1 ft 2 (0.1m 2 ) n-heptane pan fire from
50 ft. (15m) to 215 ft. (65m)
Fields of View Horizontal 100  , Vertical 95 
Built-In-Test (BIT) Automatic (and Manual)