Fiber Bragg Grating Temperature Sensing Fire Detector- All-Metal Enclosure-Fiber Bragg Grating (FBG) Linear Temperature Sensing Fire Detector

  • The FBG linear temperature-sensitive fire detector is the application of the FBG temperature sensor in the fire protection industry. DCYS is a professional FBG fire alarm system manufacturer, providing FBG fire alarm principle, all-metal smokeless non-combustible package design, installation and construction method, standard specifications, host pictures, tunnel applications and other information; The brand of FBG linear temperature-sensitive fire detector is "OFSCN". Bulk purchase, better price!

Product Alias: Fiber Bragg Grating Linear Temperature Sensing Fire Detector, Fiber Bragg Grating Fire Probe, FBG Fire Detector, Fiber Bragg Grating Fire Alarm Detector.

Product Functions: Single-point/multipoint temperature detection, fire alarm detection.

Product Overview of Fiber Bragg Grating Temperature Sensing Fire Detector:

The seamless steel pipe Fiber Bragg Grating temperature sensing fire detector is composed of fiber connectors, all-metal stainless steel seamless pipe, and FBG/FBG arrays (FBGs). It can be in single-ended multipoint form or double-ended serial form. When combined with the Fiber Bragg Grating fire alarm host, it can form a Fiber Bragg Grating temperature sensing fire alarm system.

OFSCN® capillary seamless steel tube FBG temperature sensing fire detectors can be directly immersed, buried, inserted, surface-mounted, adhesive-mounted, or bundled into the tested structure for temperature monitoring and fire warning. They are especially suitable for use in traffic tunnels, petroleum, natural gas pipelines, chemical, metallurgical, power, firefighting, energy, storage, military, nuclear industries, and other places.

Structure Diagram of Multipoint seamless steel tube Fiber Bragg Grating Temperature Sensing Fire Detector (string type)

Multipoint Fiber Bragg Grating Temperature Sensing Fire Detector (string type)

Structure Diagram of Single-point Fiber Bragg Grating fire detector (can be connected in series)

Single-point double-ended Fiber Bragg Grating fire detector (can be connected in series)

OFSCN® series Fiber Bragg Grating temperature sensing fire detectors (fire probes) adopt patented packaging methods and special packaging materials (all-metal), making the product highly sensitive, fast in heat conduction, accurate, compact, lightweight, high tensile strength, high compression resistance, high temperature resistance, water and moisture resistance, non-combustible, and corrosion resistant.

In terms of principles and actual measurements, OFSCN® series seamless steel tube Fiber Bragg Grating temperature sensing fire detectors are universal products and do not have compatibility issues with demodulation devices (alarm hosts).

Physical Diagram of OFSCN® seamless steel pipe packaged Fiber Bragg Grating temperature sensing fire detector:

Physical Diagram of single-end seamless steel tube FBG temperature sensing fire detector (short-distance length range: within 1 meter)

Appearance of short-distance FBG temperature sensing fire detector (length range: within 1 meter)

Physical Diagram of single-end seamless steel tube FBG temperature sensing fire detector (medium to long-distance length range: within several tens of meters) Physical Diagram of single-end seamless steel tube FBG temperature sensing fire detector (long-distance length range: within several tens of meters)

Appearance of medium to long-distance single-point/multipoint FBG temperature sensing fire detector (length range: 1 meter to several tens of meters)

Appearance of long-distance multipoint FBG temperature sensing fire detector (length range: several tens of meters to several hundreds of meters)

Overview of OFSCN® seamless steel tube Fiber Bragg Grating temperature sensing fire detector:

Brand

OFSCN®

Product Name

Seamless Steel tube Fiber Bragg Grating Temperature Sensing Fire Detector

Product Number

BNHJ-xFBG-SH100-01-FC/APC-100M (numerous models, example only)

 Plan view of seamless steel tube packaged FBG temperature sensing fire detector

Product Structure:

Prefabricated fiber optic connector + 2.0/3.0mm stainless steel seamless tube + single-point/multipoint Fiber Bragg Grating + end welding/prefabricated fiber optic connector

※ Length Range

10 centimeters to several hundreds of meters (specific length depends on inventory)

Parameters of FBG used in OFSCN® seamless steel tube packaged FBG temperature sensing fire detector:

Picture of FBG used in seamless steel tube FBG temperature sensing fire (Single-point)

Single-point FBG

Picture of FBG string/array used in seamless steel tube FBG temperature sensing fire detector (Multi-point)

Multi-point FBG string (array)

Fiber Type

Polypropylene-coated

Grating Fabrication Method

UV photolithography

Center Wavelength

Conventional 1525nm to 1565nm/customer-specified wavelength

Reflectivity

10% to 99%

Optional FBG

※ Numerous options for Fiber Bragg Grating parameters, requires direct communication.

Specifications of Fiber optic connectors used in OFSCN® seamless steel tube FBG temperature sensing fire detector:

Picture of Fiber optic connectors used in seamless steel tube FBG temperature sensing fire detector(FC, ST Fiber optic connectors) Picture of Fiber optic connectors used in seamless steel tube FBG temperature sensing fire detector(SC, LC Fiber optic connectors)

 

Connector Types

FC、ST、LC、SC etc.

Endface Types

APC

PC

Insert Material

Ceramic

Insertion Loss

<0.2db

<0.2db

Return Loss

>-60db

>-40db

Storage Environment

-40℃ to +75℃

Operating Environment

-40℃ to +85℃

Optional Fiber Optic Connector

FC, ST with high-temperature resistance, can withstand up to 350 degrees Celsius (depending on inventory).

Armor and Tail End (for single-ended products only) used in OFSCN® seamless steel tube packaged temperature sensing fire detector:

Picture of outer armor used in seamless steel tube FBG temperature sensing fire detector Picture of packaged tail end used in single-ended seamless steel tube FBG temperature sensing fire detector

 

Fire Detector Armor Type

OFSCN® capillary seamless steel tube fiber/Fiber Bragg Grating sensor standard packaging (02H, 03H type)

Fire Detector Armor Diameter

2.0mm、3.0mm/customer-specified

Material for Fire Detector Seamless Steel tube

304, 316L stainless steel, high-temperature resistant alloy, corrosion-resistant alloy, etc.

Fire Detector Seamless Steel Tube Wall Thickness

Conventional 0.2mm/0.3mm/customr-specified

Fire Detector Seamless Steel Tube Weight

Calculated based on different structures

Fire Detector Tensile Strength

Calculated based on different structures

Fire Detector Lateral Pressure Resistance

Calculated based on different structures

Fire Detector Compressive Strength

Calculated based on different structures

Fire Detector Tail End Packaging

Soldering/high-temperature welding (for single-ended products only)

Fire Detector Welding Material

Soft soldering material, hard soldering material, or stainless steel of the same material (for single-ended products only)

Options for Armor and Tail End:

Corrosion-resistant solutions, etc. (depending on inventory)

 

Related Articles