Fire Detection Devices

The Signature Series Model SIGA-PS Intelligent Photoelectric Smoke Detector gathers analog information from its smoke sensing element and converts it into digital signals. The detector’s on-board microprocessor measures and analyzes these signals. It compares the information to historical readings and time patterns to make an alarm decision. Digital filters remove signal patterns that are not typical of fires, thus helping to eliminate unwanted alarms.

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Signature Series Model SIGA-HFS and SIGA-HRS Intelligent Heat Detectors gather analog information from their fixed temperature and/or rate-of-rise heat sensing elements and converts it into digital signals. The detector’s on-board microprocessor measures and analyzes these signals. It compares the information to historical readings and time patterns to make an alarm decision. Digital filters remove signal patterns that are not typical of fires, thus helping to eliminate unwanted alarms.

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Signature Series SIGA2-P(CO)S photoelectric detectors bring advanced sensing technology to a practical design that increases efficiency, saves installation time, cuts costs, and extends life safety and property protection capabilities. Continuous self-diagnostics help ensure reliability over the long-haul, while innovative field-replaceable smoke chambers make detector maintenance literally a snap. With its modular CO sensor, this detector pulls double-duty — continually monitoring the environment for signs of smoke, as well as its invisible yet deadly companion, carbon monoxide.

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The Signature Series SIGA-PHD detector brings advanced multisensor technology to a practical design that increases efficiency, saves installation time, cuts costs, and extends life safety and property protection capabilities. Continuous self-diagnostics help ensure reliability over the long-haul, while environmental compensation helps reduce maintenance costs.

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The Signature Series SIGA-PHCD detector brings advanced multi-sensing technology to a practical design that increases efficiency, saves installation time, cuts costs, and extends life safety and property protection capabilities. Continuous self-diagnostics help ensure reliability over the long-haul, while environmental compensation helps reduce maintenance costs.

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The SIGA-270 and SIGA-278 series Manual Pull Stations are part of Edwards™ Signature Series system. The SIGA-270 Fire Alarm Manual Pull Stations feature our very familiar teardrop shape. They are made of die-cast zinc and are finished with red epoxy powdercoat paint complemented by aluminum colored stripes and markings. With positive pull-lever operation, one pull on the station handle breaks the glass rod and turns in a positive alarm, ensuring protection plus fool-proof operation. Presignal models (SIGA-270P) are equipped with a general alarm (GA) key switch for applications where two-stage operation is required. The up-front highly visible glass rod discourages tampering but is not required for proper operation.

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The 511C continually monitors its own sensitivity and operational status, and provides a visual indication if it drifts out of the sensitivity range or fails internal diagnostics. Additional diagnostic information is activated by applying a magnet near the detector’s integral reed switch. This initiates a self-diagnostic routine and provides visual indication of sensitivity level, or if service is required. The magnet test causes the LED to blink. The number of blink counts corresponds to a smoke detector sensitivity range. This meets NFPA 72 field sensitivity test requirements without the need for external meters.

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700 Series conventional photoelectric smoke detectors are interchangeable head and base detectors with light-scattering optical sensors that provide outstanding stability and excellent response to a wide range of fires. 700 Series smoke detectors were the industry’s first conventional self-diagnostic detectors specifically designed for the demands of commercial and industrial environments. If the detector drifts out of its UL Listed sensitivity range or fails internal diagnostics, the alarm LED flashes once a second to indicate a trouble condition.

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500 Series two-wire conventional photoelectric smoke detectors bring together trusted technology and a full line of features that meet the demands of every type of application. The 500 offers sounders in two-wire applications, specifically to meet residential code requirements.

These detectors work on a light-scattering principle. A pulsed infrared light-emitting diode serves as the light source, and a highspeed photo diode as the sensing element. This design has superior protection against nuisance alarms caused by dust, insects, RF interference, and ambient light.

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PL Series heat detectors offer fixed temperature detection. If the temperature of the center disk rises to the sensor’s rated temperature, the fixed temperature element activates. This closes contacts in the sensor and transmits an alarm condition to the fire alarm control panel. The fixed temperature element is non-restorable and, when activated, the detector must be replaced. The need for replacement is indicated when the center disk has fallen free from the detector.

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CR/CF Series heat detectors offer fixed temperature or combination rate-of-rise and fixed temperature detection.

RATE-OF-RISE: A temperature increase at the sensor of 15°F (9°C) or more per minute activates the rate-of-rise feature. This closes the contacts in the sensor to transmit the alarm condition to the fire alarm control panel. When the rate-of-rise element alone has been activated, the sensor is self-restoring.

FIXED TEMPERATURE: If the temperature of the center disk rises to the sensor’s rated temperature, the fixed temperature element activates. This closes contacts in the sensor and transmits an alarm condition to the fire alarm control panel. The fixed temperature element is non-restorable and, when activated, the detector must be replaced. The need for replacement is indicated when the center disk has fallen free from the detector.

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The Edwards™ Cat. No. 276B/277B series non-coded fire alarm stations are contemporary styled Lexan stations and are flexibly designed to meet a wide variety of application requirements and operational sequences. The Cat. No. 276B series are single action stations with terminals for field wiring connections.

The Cat. No. 277B series are also single action stations but use 6” (150mm) wire leads for field wiring connections.

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The Edwards™ Cat. No. 278B/279B series non-coded fire alarm stations are contemporary styled Lexan stations and are flexibly designed to meet a wide variety of application requirements and operational sequences. The Cat. No. 278B series are double action stations with terminals for field wiring connections. The Cat. No. 279B series are double action stations with six inch (150mm) wire leads for field wiring connections.

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The RMS-1T-KO Key-operated Fire Alarm Station is ideal for use in buildings such as penal institutions or special needs housing, or anywhere an ordinary pull station could be operated for reasons other than its intended purpose. The RMS-1T-KO station is fitted with a key-operated switch of which the key is not easily duplicated.

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The 260-CO carbon monoxide (CO) detector is an accurate and reliable means of alerting building occupants of potentially dangerous levels of CO in the protected area. The internal electro-chemical sensor communicates with a sophisticated on-board microprocessor that accurately tracks CO levels over time.

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Edwards™ SuperDuct smoke detectors are among the most advanced and most reliable devices in their class. Designed for easy installation and superb reliability, SuperDuct represents a perfect balance of practical design and advanced technology.

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SuperDuct is slim, feature-rich alternative to bulky duct smoke detectors. Designed for easy installation and superb reliability, SuperDuct represents a perfect balance of practical design and advanced technology.

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Series 302 heat detectors are designed for use in normal environments as well as environments where the detectors are subject to weather, moisture (internal condensation), and explosive atmospheres. They are normally-open devices designed to close an electrical circuit upon activation. All models feature rate compensation and are available with either 135 °F (57.2 °C) or 194 °F (90 °C) ratings. They are self-restoring, hermetically sealed, shock and corrosion resistant, and are tamperproof.

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The EC-50R/-100R comprises a transmitter and receiver in a single enclosure and is usually installed between 19 inches and 24 inches below the ceiling. The transmitter emits an invisible infrared light beam that is reflected via a prism mounted directly opposite and with a clear line of sight. The reflected infrared light is detected by the receiver and analyzed. Smoke in the beam path will reduce the received infrared light proportionally to the density of the smoke. The detector analyzes this attenuation or obscuration of light and acts accordingly. Detectors are typically mounted within ±30 feet (9.14 m) of a potential fire source. Consult your Authority Having Jurisdiction for spacing requirements specific to your locality.

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The EC5000R comprises a transmitter and receiver in a single enclosure. The transmitter emits an invisible infrared light beam that is reflected via a reflector mounted directly opposite and within a clear line of sight. The reflected infrared light is detected by the receiver and analyzed. Smoke in the beam path will reduce the received infrared light proportionally to the density of the smoke. The detector analyzes this attenuation and initiates an alarm condition when a predetermined level of obscuration is reached.

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The EC3000 is an end-to-end infrared optical beam smoke detector that comprises an infrared transmitter, receiver, and controller. The transmitter and receiver are installed near the ceiling of the protected area up to 393 feet (120 m) apart, while the controller is mounted at ground level where it remains accessible for maintenance and setup functions. Each controller will handle up to two transmitter/receiver pairs, each with separate fire and fault relays.

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Model 30-3013 detectors are high-performance smoke detectors built for use in hazardous locations. They are corrosion-resistant and feature a non-conducting aluminum alloy retaining ring that protects the detector sensor against the effects of explosions and other catastrophic events.

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MPSR Series manual pull stations are non-coded fire alarm stations solidly constructed of die-cast material. All components are prepainted or have plated surfaces to inhibit corrosion. Weatherproof manual stations are rated for outdoor use. Explosion-proof/weatherproof manual stations are rated for Class I Group B (hydrogen) C & D, Class II Groups E. F, G, Class III environments, and are rated NEMA 4X for outdoor use.

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The XAL53 is an extremely rugged double-action fire alarm station suitable for hazardous locations. The device is activated by lifting the front cover and pulling down the ring. This two-step process prevents unintentional operation.

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