Detectores de Fuga de Gases, Analizadores, Dispositivos de Alarma y Gases de Calibracion
SPECTREX 20/20LB-F
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Detector de flama GDsSharpEye 20/20LB con sensores ULtravioleta (UV) (0.185 a 0.260 micras) e Infrarrojo (IR) (2.5-3 micras) para fuegos de hidrocarburos, hidroxilo, hidrógeno, metal e incendios inorgánicos. 3 relés (Alarma, falla y secundario), salida de 4-20 mA, entradas de conducto de 3/4". IP66 e IP67. NEMA 250 6P. Aprobado por FM, gabinete de aluminio, Built-In-Test (BIT) incluido.

Solicitud de Información

The SharpEye UV/IR Optical Flame Detectors 20/20L and 20/20LB (which includes a BIT function) are an improved version of the well-proven Spectrex Ultra Violet/Infra Red (UV/IR) optical flame detectors featuring modern microprocessors and detection algorithms that provide excellent detection sensitivity combined with enhanced immunity to false alarms.

These enhanced models were developed in light of our highly successful experience in high-speed flame detection technology for both military and commercial industrial applications.

Both models are designed to detect hydrocarbon- based fuel fires, hydroxy and hydrogen fires as well as metal and inorganic fires.

The UV/IR flame detector senses energy in the short wave section of both the ultraviolet and infrared portions of the electromagnetic spectrum.

The sensor band pass has been carefully selected to ensure the greatest degree of spectral matching to the radiant energy emissions of fire, and the lowest degree of matching to non-fire stimuli.

The UV sensor incorporates a special logic circuit that helps prevent false alarms caused by solar radiation

The IR sensor is sensitive to radiation over the range of 2.5 to 3.0 microns. The signals from both sensors are analyzed for frequency, intensity and duration. Simultaneous matching of radiant energy in both the UV and IR sensors triggers an alarm signal.

Features
  • UV/IR Dual-Sensor
  • High-Speed Response
  • 20 msec Response to Saturated Signal
  • User Programmable Configuration
  • Immune to False Alarms (solar blind)
  • Automatic and Manual Built-In-Test (BIT) - LB
  • Standard 4-wire Connection
  • 4-20mA source (3-4 wires) configuration
  • MTBF Minimum 100,000 Hours
  • 3-Year Warranty
  • FM Approved
Applications
  • Aerospace Industry - Hydroxy fuels, Hydrogen and Hydrazine fuels
  • Aircraft Hangars - landing gear pits, under-wing and over-wing protection
  • Automotive - manufacturing, paint spray booths
  • Chemical Industry - production, storage, transportation
  • Explosives & Munitions - handling and storage
  • Paint - manufacturing facilities
  • Petrochemicals - production, storage, shipping facilities
  • Pharmaceutical Industry
  • Polymers and Glue - manufacturing and curing
  • Power Generation Facilities - pump areas, generator rooms, unmanned stations, gas-fired and coal-fired reactors
  • Printing Industry - solvent handling, presses, drying processes
  • Warehouses - storage facilities for flammable materials

GENERAL SPECIFICATIONS
Spectral ResponseUV: 0.185 - 0.260 m
IR: 2.5 - 3 microns.
Detection Range
(at highest Sensitivity Setting for 1ft2 (0.1m2) pan fire)
Fuel ft / m
Gasoline 50 / 15
n-Heptane 50 / 15
Diesel Fuel 37 / 11
JP5 37 / 11
Kerosene 37 / 11
Alcohol (Ethanol) 25 / 7.5
IPA (Isopropyl Alcohol 25 / 7.5
Methanol 25 / 7.5
Methane* 16.5 / 5
LPG* 16.5 / 5
Hydrogen* 16.5 / 5
Silane*** 16.5 / 5
Polypropylene Pellets** 16.5 / 5
Office Paper 12 / 4
*20" (0.5m) plume fire, **8" (0.2m) Diameter, ***12" (0.3m) plume fire
Response Time Typically 5 sec.
Adjustable Time Delay Up to 30 seconds. (up to 20 sec. in compliance with FM requirements)
Field of View90° horizontal, 90° vertical
Built-in-Test (BIT)Manual and Automatic BIT (in model 20/20LB only)>
Temperature Range Operating: -40°F (-40°C) to 160°F (70°C)
Operation Option: -40°F (-40°C) to 185°F (85°C)
Storage: -65°F (-55°C) to 185°F (85°C)
HumidityUp to 95%
ELECTRICAL SPECIFICATIONS
Power SupplyOperating Voltage: 18-32 VDC
Power ConsumptionMax. 100mA (150mA with heated window)
Max. 150mA (200mA with heated window)
Electrical Connection2 x 3/4" - 14NPT conduits or 2 x M25 x 1.5 mm ISO
Electrical Input ProtectionAccording to MIL-STD-1275A
Electromagnetic CompatibilityEMI/RFI protected CE Marked
OUTPUTS
RelaysAlarm - 2A at 30 VDC, 0.5A at 250 VAC
Fault and Accessory - 5A at 30 VDC and 250 VAC
Fault relay normally closed, others normally open
4-20mASource configuration
Fault: 0 +0.5mA
BIT Fault: 2mA ± 10%
Normal: 4mA ± 5%
IR Detection: 8mA ± 5%
UV Detection: 12mA ± 5%
Warning: 16mA ± 5%
Alarm: 20mA ± 5%
Resistance Loop: 100-600 Ω
MECHANICAL SPECIFICATIONS
Dimensions4.7" x 5.2" x 5.2" (120 x 132 x 132 mm)
WeightAluminum: 8.1Lb (3.7 Kg)
St.St 316L: 14.3Lb (6.5 Kg)
EnclosureAluminum, heavy-duty copper free (less than 1%), white epoxy enamel finish.
Optional - Stainless Steel 316L with electro polish finish.
Environmental StandardsMeets MIL-STD-810C for Humidity, Salt & Fog, Vibration, Mechanical Shock, High Temp, Low Temp
Water and DustIP66 and IP67 per En60529
NEMA 250 6P
Hazardous Area approvals
ATEXEX II 2G, EExd IIB + H 2 T5 (70°C), T4 (85°C)
EX II 2G, EExde IIB + H 2 T5 (70°C)
FM / CSAClass I Div. 1, Groups B, C & D
Class II Div. 1, Groups E, F & G
GOST R1ExdIIBT5/H 2
ACCESSORIES
Fire Simulator20/20-311
Swivel Mount20/20-003 (St. St. 316L)
Export Info
Codigo Arancelario90318099

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