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Product Features
  • 20 msec Ultra Fast detection
  • Proven false alarm immunity
  • Unparalled reliability - 150,000 hours MTBF
  • Best in class temperature range: -76 to +185 °F (-60 to +85 °C)
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Spectrex™ SharpEye 40/40D-LB Ultra Fast UV/IR Flame Detector

SKU
Spectrex-40/40D-LB

Spectrex SharpEye 40/40D-LB Ultra Fast UV/IR Flame Detector

The Ultra Fast Spectrex SharpEye 40/40D-LB UV/IR flame detector is the latest ultra fast UV/IR flame detector with extended detection distances of up to 28 meters and is part of the Next generation SharpEye 40/40 series.

The Ultra Fast Spectrex SharpEye 40/40D-LB UV/IR flame detector is capable of detecting both hydrocarbon fuel and gas fires, as well as fires fueled by Hydrogen, Metal, and inorganic material and responds to flash fires in under 20 msec. The units work with an integrated UV and optical IR sensor together and with the proven record of false alarm immunity they keep a SharpEye on your Safety!

Features and Benefits

Integrating UV and IR optical sensors for detection of fires from a large variety of hazardous sources, such as hydrocarbon-based fuel and gas, hydroxyl, hydrogen, metal, inorganic, etc.

• 20 msec Ultra Fast detection
• Proven false alarm immunity
• Unparalled reliability - 150,000 hours MTBF
• Best in class temperature range: -76 to +185 °F (-60 to +85 °C)
• Worldwide and regionally certified for hazardous areas
• Performance and reliability approved by recognable certification bodies
• SIL3 compatible
• Enhanced durability backed up by with five-year warranty
• Smart field of view integrity test, allowing flawless operation
• Innovative UV & IR Built-In-Test - continuously validating the optical integrity and the electronic circuitry
• Multiple output options for maximum compatibility with standard infrastructures
• Plug-and-Play - factory calibrated for immediate use in any fire detection system
• Universal wiring option for fast ordering process
• Three sensitivity levels, adapting to any application
• Two mode heated optics for impeccable performance in challenging environmental conditions
• Internal log event recorder to analyze past events

Table 1: Detection Ranges

At the highest sensitivity setting for 1 ft.² (0.1 m²) pan fire.

Fuel 40/40D-LB 
Gasoline 93 ft. (28 m)
N-Heptane  93 ft. (28 m)
Diesel fuel  70 ft. (21 m)
Kerosene 70 ft. (21 m) 
Alcohol 95% 57 ft. (17 m) 
Isopropyl alcohol (IPA) 70 ft. (21 m) 
Methanol 57 ft. (17 m) 
Methane 60 ft. (18 m)
Liquefied petroleum gas (LPG) 60 ft. (18 m)
Polypropylene 60 ft. (18 m) 
Paper 33 ft. (10 m)
Hydrogen(1)  70 ft. (21 m) 
Magnesium alloy(2) 33 ft. (10 m) 
Gunpowder(3) 66 ft. (20 m)
Fireworks 10 ft. (3 m) 
Cooking oil  70 ft. (21 m)
Mineral oil: 20W-50 70 ft. (21 m) 
Wood 33 ft. (10 m)
Ethylene glycol  23 ft. (7 m)
Butyl acrylate  70 ft. (21 m)
Vinyl acetate 70 ft. (21 m)
Flammable adhesive 70 ft. (21 m)
Solvents 70 ft. (21 m)
Oil paint 70 ft. (21 m)
Jet fuel JP5  70 ft. (21 m)
Jet fuel A1 70 ft. (21 m)
Battery(4) 75 ft. (23 m)
Acetylene 60 ft. (18 m)
Ammonia fire(5) 30 ft. (9 m) 
Silane fire(6) 67 ft. (20 m) 

(1) 30 in. (0.75 m) high, 10 in. (0.25 m) wide plume fire.
(2) Contact Spectrex representative for guidance on detecting magnesium alloy.
(3) 1.5 in. x 1.5 in. (3.8 cm x 3.8 cm) wide, 4 in. (10 cm) tall.
(4) One Lithium-ion battery cell. Height: 2.6 in. (65 mm). Diameter: 0.72 in. (18.4 mm).
(5) Available for Spectrex 40/40D-M, 40/40D-LB, and 40/40D-L4B only.
(6) Available for Spectrex40/40D-LB only

Table 2: General Specifications 

  40/40D-LB 
Spectral response  Ultraviolet: 0.185 to 0.260 μm
Infrared: 2.5 to 3.0 μm
Detection response time ■ Standard response: Typically 5 s at 93 ft. (28 m)
■ Ultra-fast response: 20 ms for flash fire pan fire from 10 ft. (3 m) distance via analog voltage output
■ High-speed response (explosion): 50 ms for 1 ft. (0.3 m) diameter sphere LPG with air mixture explosion at 32.8 ft. (10 m) distance via analog voltage output 
Sensitivity ranges  Three sensitivity ranges
Field of view Horizontal: 100°
Vertical: 95°
Coverage area (m³) 471,663 ft. (13,356 m)(1)
Coverage area (m²) 6,900 ft. (641 m)(1)
Temperature range Operating: –76 to +185 °F (–60 to +85 °C)
Storage: –76 to +185 °F (–60 to +85 °C) 
Humidity Non-condensing relative humidity up to 100%

(1) Gasoline and N-Heptane fuels

Table 3: Electrical Specifications

Operating voltage 24 Vdc nominal (18 to 32 Vdc) 
Cable entries 2 x ¾–in.–14 NPT conduits or 2 x M25 x 1.5 mm ISO
Electrical input protection According to EN 50130 
Electromagnetic compatibility EMI/RFI protected to EN61000-6-3 and EN 50130 
Electrical interface  The detector includes 17 terminals and one wiring option

Table 4: Typical Power Consumption (24 Vdc)

Mode 40/40D-LB
Normal power consumption without a heater 90 mA, 2.2 W
Normal power consumption without a heater, with an alarm  120 mA, 2.9 W 
Low power mode heater with alarm 180 mA, 4.3 W
Standard power mode heater with alarm 320 mA, 7.7 W 

Table 5: Outputs

Relays Alarm, fault, and auxiliary
SPDT volt-free contacts rated 2 A at 30 Vdc 
Analog output default(1) Analog port malfunction: 0 V (< 0.5 V)
Normal: 2 V ± 0.3 V
Alarm/explosion: 5 V ± 0.3 V
0–20 mA (stepped) default(1) Fault: 0 ± 1 mA
Built-in test (BIT) fault: 2 mA ± 0.3 mA
Normal: 4 mA ± 0.3 mA
Warning: 16 mA ± 0.3 mA
Alarm: 20 mA ± 0.3 mA 
HART® protocol  HART communication on the 0–20 analog current (Frequency-Shift Keying [FSK]) used for maintenance, configuration changes, and asset management, available in mA source output wiring options
RS-485  RS-485 Modbus® -compatible communication link that can be used in computercontrolled installations

(1) This output is configurable.

Table 6: Mechanical Specifications 

Enclosure options  Electropolished stainless steel 316
Heavy-duty copper-free aluminum (less than 1%), polyurethane painted 
Mounting Electropolished stainless steel 316 
Dimensions Detector: 4 x 4.6 x 6.18 in. (100.6 x 117 x 155 mm)
Weight Detector stainless steel: 6.3 lb. (2.9 kg)
Detector aluminum: 2.8 lb. (1.3 kg)
Tilt mount: 2.5 lb. (1.1 kg)
Environmental standards  DNV 2-4
Water and dust  IP66 and IP68 per EN60529
NEMA® 250 6P

You can order the Spectrex 40/40D as separate parts and accessories.
Spectrex 40/40D detector (PN 40/40D-X-63XXXXX). 

Model

Code Description
-I  QuadSense™ triple infrared (IR3) 
-M QuadSense triple infrared (IR3) with Hydrogen fire detection
-LB Ultraviolet/infrared (UV/IR) with Hydrogen fire detection
-L4B Ultraviolet/infrared (UV/IR)

Wiring

Code Description
-6 Universal

Operating temperature range

Code Description
3 –76 to +185 °F (–60 to +85 °C)

Electrical cable entries 

Code Description
1 M25
2 ¾–in. NPT 

Enclosure

Code Description
S Stainless steel 316
A Aluminum polyurethane painted 

Hazardous area approvals

Code Description
B INMETRO
F USA and Canada Explosion-Proof(1)
C ATEX/IECEx/UKCA 
R EAC CU TR

(1) Aluminum enclosure: FM, FMC; Stainless steel enclosure: FM, FMC, CSA US/C

Tilt mount 

Code Description
Y Including tilt mount stainless steel 316
N Without tilt mount 

Protective cover

Code Description
7 ABS plastic
8 Stainless steel 316

Special option (optional)

Code Description
H Enhanced hot CO2 discrimination 

Note
Available for Spectrex 40/40D-I only.

Accessories

Part Number  Description
FS-1100 Flame simulator (ex-proof) compatible with 40/40D-I model 
FS-1200  Flame simulator (ex-proof) compatible with 40/40D-LB and 40/40D-L4B models
FS-1400 Flame simulator (ex-proof) compatible with 40/40D-M model 
877090 Tilt mount 
877670 Flame detector duct mount assembly
789260-2 Flame detector pole mount assembly, 2 in. 
789260-1  Flame detector pole mount assembly, 3 in. 
789260-3  Flame detector pole mount assembly, 4 in.
794079 USB RS-485 harness kit 
877650 Flame detector air shield assembly
877263 Protective cover (Plastic)
877163 Protective cover (Stainless steel) 
877563 Field of view limiter 
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