Spectrex 40/40U-UB - UV 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 46
Environmental Specifications page 47
A.1 Technical Specifications
Spectral Response UV 0.185-0.260 µm
Detection Range
(at highest Sensitivity
Setting for 1ft
2 (0.1m 2 ) pan
fire)
Fuel ft. / m Fuel ft. / m
n-Heptane 50 / 15 Kerosene 37 / 11
Gasoline 50 / 15 Ethanol 95% 37 / 11
Diesel Fuel 37 / 11 Methanol 37 / 11
JP5 37 / 11 IPA (Isopropyl
Alcohol) 37 / 11
Hydrogen* 33 / 10 Polypropylene
Pellets 18 / 5
Methane* 40 / 12 Silane* 22 / 7
Office Paper 20 / 6 LPG* 40 / 12
* 20" (0.5m) high, 8" (0.2m) width plume fire
Response Time Typically 3 seconds
200 msec response to flash fire
Adjustable Time Delay Up to 30 seconds
Sensitivity Ranges 1 ft 2 (0.1m 2 ) n-heptane pan fire from 50 ft. (15m)
Fields of View Horizontal 100  , Vertical 95 
Built-In-Test (BIT) Automatic (and Manual)