Ultraviolet Sensor
Spectral Response; Ultraviolet peak sensitivity 220
nanometers. Spectral Range: 200-260 nanometers
(100% Solar Blind) Sensor: Omniguard High Performance UV sensor (60month Warranty)
Construction: Glass to metal sealed, highly durable,
Tungsten elements. Corrosion resistant nickel pins

Infrared Sensor
Spectral Response;
Standard unit detects all Flames emitted by a
burning hydrocarbon and uses a thermopile
with an Infrared peak sensitivity of 4.4u
An optional dual sensing thermopile with peak
sensitivities of 2.9u & 4.4u may also be used
for applications where hydrocarbon and non-hydrocarbons such as Silane, Hydrazine, and Hydrogen Fires are to be detected

Standard Spectral Range: 4.1u to 4.7u
Sensor: Omniguard High Performance IR
sensor (60 month Warranty)
Construction: TD-5 Can, Nickel plated and
gold lash header and hands

Microcontroller
High performance Microcontroller with Fire Events
analysis Program
16 Bit Timer System
6 Bit Pulse Accumulator
38 Input/Output pins
8 Channel 8 Bit Analog to Digital Converter

Environmental Ratings
Third Party Validated explosion proof (flame
proof) Enclosure for hazardous environments.
Rated: Class I, Division 1, Groups B, C, & D
(explosion-proof) Nerma 4 Weatherproof,
Dust tight - Water tight, (IP 67)

Standard housing is copper free aluminum conversion coated to MIL-C-5541C, Class 3
(white) Optional Stainless Steel Housing Passive
finish per MIL-5-5002C, Type 1

Standard Operating Temperature Range:
-40 to 65 Degrees C (-40 to 185F)
(with relay output and RS-485 Serial Output)

Performance Ratings
Responsive to hydrocarbon (gasoline, propane,
methane, alcohol, JP-4, JP-8, etc.) flames. Also Non-Hydrocarbon (Hydrogen, Silane, Hydrazine, etc.) flames when special IR sensor used.
Third party performance certified to detect:
Saturating signal source in 50 milliseconds

one square foot gasoline flame at 50 feet in
one second
Four square foot aviation pool fire at 100
feet in five seconds or less
One hundred square foot aviation pool fire
at 150 feet in five seconds or less
Methane plume flame at 35 feet in one second
Additional performance with dual infrared sensor:

• Silane Plume flame 24 inches at 35 feet 600 milliseconds
• Hydrogen Plume Flame 20 inches at 35 feet 3 seconds
• Hydrazine 8 inch pool fire at 80 feet in 9.4 seconds
• Horizontal performance envelope 120 degrees
  

Detectors Inputs/Outputs
Input:
Nominal voltage 24Vdc (ripple voltage not to
exceed 240 mV)
Range: 18 to 30 Vdc

Power Consumption:
Standby: 90 mA
Alarm: 100 mA
Automatic and Manual Test: 250 mA

Output
Relay
Relays (2) Fire, Trouble
Dry Contacts Hermetically Sealed
Rated: 2 amps @ 26 Vdc ( 4 amps for High Temp
version)
User selects N.O or N.C.
Fire Relay user selects Latching or Nonlatching

Current Loop ( Standard Version)
Zero to Twenty milliamp output ( 0 - 20 ma)
20 mA= Fire
4 mA = Ready
0 mA= Trouble

Programmable RS-485 Serial output

Mechanical Considerations
Weight: 5lbs (Aluminum) 13lbs (Stainless Steel)
Height x Width: 4.90 H x 5.50 W Inches
Conduit Entry: 3/4 - 14 NPTF or M20-1.5)

Optional Accesories
Swivel Mount: 4651027 (Aircraft Aluminum with
SST locking devices)
Swivel Mount: 70991 (All Stainless Steel)
Portable Test Unit: Model 540 UV/IR
Air Shield Assembly Kit: #8001023

Applications
Aircraft Hangars, Fuel Transfer Stations, Compressor Stations, Silane Storage Bunkers, Paint Spray Booths and Gas Cabinets