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?Honeywell在2011年底收購的fire sentry公司利用出眾的火焰探測技術(shù)用于所有火焰探測產(chǎn)品的設(shè)計與制造，此技術(shù)早在1884年就開始應(yīng)用，并且有軍工、航空領(lǐng)域技術(shù)背景。fire sentry火焰探測器利用專利的寬頻紅外量子傳感器，F(xiàn)S24三重紅外火焰探測器使用寬頻4.3微米紅外技術(shù)的局限性。SS4-A型光電火焰探測儀采用UV/IR探測技術(shù)并成功應(yīng)用于全世界數(shù)千處場合中。

?·Multi-Spectrum可探測紫外、可見及紅外光光譜
·內(nèi)置“through the lens”自檢測試
·誤報警屏蔽
·探測所有火災(zāi)，不僅僅是碳氫和非碳氫類火災(zāi)
·可調(diào)探測精度
·運行于大范圍溫度范圍內(nèi)

?應(yīng)用范圍
·碳氫類火焰探測：CH4、C2H6...
·非碳氫類火焰探測：SiH4、H2...
·其他火焰探測：酒精、IPA...

?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 D
?Class 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’