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Proactive vs. Reactive Gas & Flame Detection. Providing Integrated Safety Solutions for our Customers. Proactive vs. Reactive. Proactive Respond to event before becoming a life hazard or fire Gas Detectors are Proactive Reactive Respond to the fire event once it has occurred

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Proactive vs. ReactiveGas & Flame Detection

Providing Integrated Safety Solutions for our Customers

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Proactive vs. Reactive

  • Proactive

    • Respond to event before becoming a life hazard or fire

    • Gas Detectors are Proactive

  • Reactive

    • Respond to the fire event once it has occurred

    • Flame Detectors are Reactive

  • Sell Safety to customers

  • Gas and Flame Detectors provide Safety Solutions

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Proactive Gas Detection

  • Take corrective action before the disaster occurs

    • Discrete sensors provide minimal alarm only data

    • Analog 4-20mA sensors provide only measurement information

    • Digital intelligent sensors provide measurement information and also validates it

    • Integrated digital systems provide safety information, alarm and data management, and interoperability with other automation systems

    • SCADA Satisfies regulatory and insurance requirements

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Reactive Flame Detection

  • Take corrective action once the event occurs

    • Fires detected by Smoke

    • Fires detected by Heat or Temperature

    • Fires detected by the Eye

    • Fires detected by a Camera

    • Fires detected by Optical Flame Detectors

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Electromagnetic Spectrum

Detecting spectral energy within specific frequencies

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Optical Flame Detectors

  • Common Fire Detection Spectrum

    • Infrared (IR)

    • Ultraviolet (UV)

    • Visible Light (Vis)

    • Combination UV/IR

    • Triple IR

    • Combination UV/IR/Vis

  • Cone Angle and Distance

    • 90 & 120o cone of vision

    • 40 to 80’ common

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SMC Flame Detectors

  • FM Approved Flame detectors used in same applications as combustible gas detectors

  • SMC flame detectors – 120o cone of vision, multiple gas types (hydrocarbon and non-hydrocarbon based)

    • 3100 – UV/IR/Visible wavelengths, CL1, Div 1, Group BCD

    • 3200 – Semiconductor wet bench applications

    • 3300 – Indoor UV/IR flame detector

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Spectrex Flame Detectors

  • Compliment to SMC flame detectors

  • Lower price – 90o cone of vision

  • Wider range of detector types for wider range of applications

    • UV

    • UV/IR

    • Single IR

    • IR3

    • Fast response

    • Hydrogen

    • CCTV-IR3

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Spectrex Flame Detectors

  • Competitive priced with comparative features to most industrial flame detectors

  • Scott and MSA flame detectors are manufactured by Spectrex and similarly priced

  • NRTL, FM, CSA, CENELEC, ATEX Approvals


Spectrex IR3

Scott IR3

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Flame and Open Path

  • Spectrex partnership adds wider range of Flame Detection products and Open Path Gas Detection solutions to SMC product line

  • Ideal safety combination for many applications

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Selecting a Flame Detector

  • Defining the Application:

    • Fuels present

    • Location of potential fires

    • Minimum fire sizes to detect

    • Maximum detection distance

    • Speed of response needed

    • Sources of nuisance radiation

    • Environmental conditions

    • Use Selecting a Flame Detector Application Guide

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Selecting a Flame Detector

  • Location of Flame Detector:

    • Optical devices must have clear view of area

    • 3-D cone of vision ranging from 90o to 120o

    • Sensitivity diminishes at edges of cone

    • Sensitivity and range related to type of fire

    • Doubling detector distance results in only ¼ of radiant energy reaching detector

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3525 Series Single IR Flame Detection

  • Advantages:

    • Low cost

    • Moderate speed

    • Moderate sensitivity

    • Unaffected by solar radiation

  • Applications:

    • Hydrocarbon fires

    • Indoors

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3510 Series UV Flame Detection

  • Advantages:

  • High speed

  • Moderate sensitivity

  • Low cost

  • Unaffected by hot objects or solar radiation

  • Applications:

    • Hydrocarbon fires

    • Hydrogen, Silane and other Hydrogen based fuel types

    • Metal fires

    • Indoors

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    3500 Series UV/IR Flame Detection

    • Advantages:

      • Very low false alarm rate

      • Moderate speed

      • Unaffected by solar radiation

      • High immunity to false alarms

    • Applications:

      • Hydrocarbon fires

      • Hydrogen, Silane, Ammonia and other Hydrogen-based fires

      • Metal fires

      • Indoors

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    UV/IR Flame Detection

    Detection of the simultaneous existence of typical infrared and ultraviolet radiation

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    3520 Series IR3 Flame Detection

    • Advantages:

      • Moderate speed

      • Moderate sensitivity

      • Low false alarm rate

      • Unaffected by solar radiation

    • Applications:

      • Hydrocarbon fires

      • Indoors or outdoors

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    IR3 Flame Detection

    Detection of the flame’s characteristic CO2 emission line by the use of three wavelength bands

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    3100 UV/IR/Vis Flame Detection

    • Advantages:

      • Widest cone of vision

      • Low false alarm rate

      • Unaffected by solar radiation

      • Multiple fuel types

      • FM and CSFM approvals

    • Applications:

      • Hydrocarbon fires and Non-Hydrocarbon fires

      • Hydrogen, Silane and other Hydrogen based fuels

      • Indoors or Outdoors

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    3200 & 3300 UV/IR Flame Detection

    • Advantages:

      • Enclosure resistant to various semiconductor materials

      • FM and CSFM approvals

    • Applications:

      • Semiconductor wet bench applications

      • IPA and other semiconductor fuels

      • Other OEM and Fire Safety VAR’s

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    Other SharpEyeFlame Detector Models

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    SharpEye Fast Response Versions

    • 20/20F high speed UV/IR Optical Flame Detector

      • High speed applications involving explosives and propellant fires, invisible Hydrogen flames and other hydroxy-flames like Silane, Ammonia, etc.

      • Response Time: Max. 5 milliseconds(msec) for 5" gasoline pan fire at 1 ft

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    SharpEye Fast Response Versions

    • Triple IR (IR3) 20/20FI offers a fast response time of 0.2 at a range of 6.6 ft (2m) and 1 second at a range 33 ft (10m)

    • Designed for applications that require high-speed, reliable flame detection with the highest immunity to false alarms.

    For applications that may involve fast developing fires such as solvents, ethylene, polyethylene, LNG and LPG and other volatile gases.

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    CCTV / IR3 Flame Detector

    • Live Color Video Image

    • Visual and Spectral Flame Analysis

    • Multiple Sensitivity Selection

    • 3-Year Warranty

    • Identifies 1ft2 (0.1m2) gasoline flame at 100ft (30m), offering a “live video” image of the monitored area.

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    The Color CCTV Flame Detector enables the user to investigate themonitored area, identify the fire’s source and location and help select the best response, e.g. activation of fire suppression

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    SharpEye Accessories

    Laser Pointer

    • Evaluates detector coverage on-site.

    • Enables designers and installers to optimize detector location and assess the actual coverage of installed detectors.

    • Universal and can be used with all SharpEye Optical Flame Detectors.

    Swivel Mounting Brackets

    All detectors are provided with a stainless steel Mounting/Alignment bracket to allow easy installation and direction of the detector.

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    SharpEye Accessories

    High Temperature Duct Mount

    Designed to allow flame detection in ducts where high temperatures exist. Comprises a special duct mount arrangement and heat sink.

    Air Shield

    Air Shield allows connection of compressed air line to prevent particle build-up on window.

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    Aerospace Industry

    Jet Fuel Loading


    Hydrazine fuels

    Aircraft Hangars

    Landing gear pits


    Over-wing protection


    CNG Vehicle Refueling


    Paint spray booths

    Chemical Industry




    Explosives & Munitions

    Handling and storage


    Manufacturing facilities




    Shipping facilities

    Pharmaceutical Industry

    Polymers and Glue



    Power Generation Facilities

    Pump areas

    Generator rooms

    Unmanned stations


    Coal-fired reactors

    Printing Industry

    Solvent handling


    Drying processes


    Storage facilities for flammable materials


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    Latin American Markets

    • Mexico

      • Channel Partners

      • Drilling Platforms & Production

      • Refineries & Processing

      • Product Solutions (3100 Series, 3500 Series)

    • Costa Rica

      • Channel Partner

      • Natural Gas Storage

      • Product Solutions (3100 Series)

    • Trinidad

      • Channel Partner

      • Refinery

      • Product Solutions (3100 Series)

    • Pending Projects

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    Available Resources

    • Sierra Monitor Corporation’s website


    • Spectrex website


    • Your Regional Manager