专业供应SS4 UV/IR火焰探测器-上海宛畅实业有限公司
SS4 UV/IR火焰探测器
SS4光电火焰探测器采用UV/IR探测技术并成功应用于全世界数千处场合中。SS4的Multi-Spectrum可探测从紫外光、可见光到红外光的辐射能量，并对各种类型的火焰报警，内置“through the lens”自检测试，防误报警，可探测碳氢和非碳氢类火焰，大视野且阳光免疫，可调探测精度，微处理器运算，FirePic，和Tri-Mode Plot 火灾事件存储及实时监控，运行温度范围广，兼容于各种火灾报警盘，隔爆设计，可编程时间报警确认。
Fire Sentry SS4-A and SS4-AS Features:
• Multi-Spectrum™: senses ultraviolet, visible and
wide band Infrared™
• Built-in test for optical “through the lens” testing
• False alarm immunity
• Detects hydrocarbon and non-hydrocarbon
based fires
• Wide field-of-view and solar-blind
• Adjustable detector sensitivity
• Microprocessor based algorithms: FirePic™,
Snapshot™ and Tri-Mode Plot™
• Wide temperature range of operation
• Compatible with standard approved fire alarm panels
• Explosion-proof housing
• Time programmable alarm verification
• mA output option
• Meets SIL 2 requirements
Fire Sentry SS4-AUV Features:
• Senses solar-blind ultraviolet band
• Built-in test for optical “through the lens” testing
• Utilises long-life, ruggedised UV sensors
• Detects hydrocarbon and non-hydrocarbonbased fires
• Wide field-of-view and solar-blind
• Adjustable detector sensitivity
• Microcomputer based algorithms: FirePic™,Snapshot™ and UV Plot
• Wide temperature range of operation
• Compatible with standard approved fire alarm panels
• Explosion-proof housing
• Time programmable alarm verification
• mA output option
Applications include:
• Petrochemical facilities and Refineries
• Co-Generation plants
• Aircraft hangars
• Silane and Hydrogen gas storage
• Gas Turbines and power plants
• Gas compressor stations
• Warehouses
• Semiconductor
Fire Sentry SS4-A
The Fire Sentry SS4-A represents the world’s pre-eminent UV/IR technology for ElectroOptical
Flame Detectors with tens of thousands successfully operating in a multitude of installations
worldwide. This multi-spectrum detector senses radiant energy in the ultraviolet (UV), visible and
wide band Infrared™ (IR) spectrum. The radiant energy from all types of flaming fires will alert the
detector to their presence.
To eliminate common nuisance false alarmsthat occasionally occur with UV-only, IR-only,
Dual IR or Dual Mode UV/IR detectors, the Fire Sentry SS4 detectors’ FireLogic signal
processing requires that UV, visible and wide band IR radiant energy all be evaluated before
declaring a fire. The smart detector utilises real-time signal processing algorithms that are optimised to alarm on all types of fires,while virtually eliminating the possibility of false alarms.
Fire Sentry SS4-AS
The Fire Sentry SS4-AS processes UV, IR and Visible (VIS) spectral ranges from ruggedised
solar-blind UV, “Quantum-Effect” IR and VIS sensors correspondingly. It is optimised for
detection of hydrogen, ethanol, methanol and methane (natural gas) fires and like the other
detectors in its family, it responds to Type A, B and C flaming fires.
Fire Sentry SS4-AUV
The Fire Sentry SS4-AUV represents the leading edge technology UV optical flame detectors.
This flame detector senses radiant energy in the ultraviolet (UV) spectrum. The radiant
emissions of flaming fires will alert the detector to their presence. The SS4-AUV is for indoor
applications where UV sources such as welding are not present.
General Specification
Sensitivity Adjustable between 18 m (60 ft.), 14 m (45 ft.), 9 m (30 ft,) and 4.5 m (15 ft.) to a 0.1 m2
(1 sq. ft.) gasoline fire
Response time 2-5 seconds to 0.1 m2
(1 sq. ft.) of gasoline fire at 18 m (60 ft.)
Field-of-view 120 degrees cone of vision (60 degrees from on axis).
Spectral sensitivity Ultraviolet: 185 to 260 nanometres
Wide Band Infrared: 0.7 to 3.5 micrometres (SS4-A and SS4-AS only)
Visible: 400 to 700 nanometres (SS4-A and SS4-AS only)
Input power 24 Vdc nominal (20.5 to 34 Vdc)
Power consumption 68 mA normal operation (relay version)
75 mA alarm condition (relay version)
95 mA alarm condition (analog version)
Output relays
Fire alarm relay NO & NC contacts
Latching / Non-Latching, switch selectable
Fire verify relay NO & NC contacts
Adjustable time from 0 to 30 seconds
Fault relay NO & NC contacts
Relay contact ratings: 0.5 A at 120 Vac, 1.0 A at 24 Vdc, non-inductive
Fault relay is energised during normal operation
All other relays are de-energised
Operating temperature -40ºC to 85ºC (-40ºF to +185ºF)
Humidity range 10 to 98% RH, non-condensing
Weight 1.8 kg (4 pounds) - Aluminum
3.4 kg (7.5 pounds) - Stainless Steel
Housing Copper-free aluminum (less than 0.4%) powder coated NEMA4 (IP66), tamper resistant with
integral dual 3/4” NPT conduit openings or optional M25.
Stainless steel housing available
Certification FM
Class I, Div. 1 & 2, Groups B, C and DClass II, Div. 1 & 2, Groups E, F and G
Class III
ATEX, IECEX II 2 GD
Gas: Ex d IIC T4(Ta: -40°C to + 110 °C), T5 (Ta: -40°C to + 75°C), T6 (Ta: -40°C to
+60°C)) Gb
Dust: Ex tb IIIC IP66 T 135°C Db
FMEDA meets IEC 61508 safety requirements
Vibration Meets or exceeds MIL Spec 810 C Method 514.2, Curve AW
Mounting Swivel bracket assembly
Warranty Two years from factory shipping date.
Output Option mA 0-20 mA ‘source’
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