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Supplier: RS Components, Ltd.
Description: speed IR data transmission, smoke automatic fire detectors and IR flash applications. Features of the VSLY5850 IR LEDs:. T-1 3/4 (5mm) package. High reliability. High radiant power and intensity. Beam angle: 6° Peak Wavelength = 870nm Package Type = T-1 3/4 (5mm) Radiant Intensity = 600mW/sr
- Color: Infrared
- Peak Wavelength: 870 nm
Supplier: OSI Optoelectronics
Description: Dual Sandwich Detectors or Two Color Detectors are mostly employed for remote temperature measurements. The temperature is measured by taking the ratio of radiation intensities of two adjacent wavelengths and comparing them with the standard black body radiation curves. THe advantages of optical
- PN, PIN, or Avalanche: PIN Photodiode
- Spectral Response: Visible, IR
- Sensitivity: 0.6000 A/W
- Spectral Response Range: 1000 to 1800 nm
Standards and Technical Documents - Fire detection and alarm systems -- Part 7: Point-type smoke detectors using scattered light, transmitted light or ionization -- ISO 7240-7:2011
Description: only for guidance. Smoke detectors with special characteristics, developed for specific risks, are not covered. The national requirements for protection from radiation from detectors that contain radioactive materials differ from country to country and are not specified in ISO 7240-7:2011.Show More
Standards and Technical Documents - Fire, Smoke and Radiation Damper Installation Guide for HVAC Systems
Description: The new edition has been updated from the 1992 edition and includes updated code references, NFPA references, and expanded guideline notes as to the details of damper installation. The appendices on smoke control and smoke detectors have been revised to reflect the current technologyShow More
Thermal Imagers - Remote Controlled Thermal Imaging Infrared Camera with 6 inch LCD monitor -- RCL-336Supplier: Larson Electronics LLC
Description: objects within the field of view of the camera lens. Infrared detectors are then used to scan this focused radiation. The detectors create what is called a thermogram, or temperature map. The thermogram is then translated into electric impulses. The electric impulses are then sentShow More
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Two Color Sandwich Arrays
Dual Sandwich Detectors or Two Color Detectors are mostly employed for remote temperature measurements. The temperature is measured by taking the ratio of radiation intensities of two adjacent wavelengths and comparing them with the standard black body radiation curves. The advantages of optical remote measurement have definitely made these devices the perfect match for this type of measurements. They are independent of emissivity and unaffected by contaminants in the field of view or moving... (read more)
Browse Photodiodes Datasheets for OSI Optoelectronics
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Unified Optical Scanning Technology - Preface
, smoke signals? That is, amplitude modulation of scattered light from controlled groups of particulate aerosol, which disperse as they rise, as observed from a distance. This is a form of serial information transfer. The two principal forms of optical information transfer are identified as serial
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Research and Engineering Operation, Irradiation Processing Department monthly record report, May 1965
Smoke detector ( radiation damage ) *Gamma irradiation facility located in Building 105-KE storage basin .
EMCCD imaging of strongly ionizing radioactive materials for safety and security
The method is best suited for fast screening of high alpha activities but even the detection of a typical smoke detector radiation source (Am-241, 10 kBq) is possible when solid suppression of background light is achieved.
Smoke Detectors and Radiation , http://www.epa.gov/radiation/sources/smoke_alarm.htm last accessed: 24APR04 .
SURFACE INDUSTRIAL HVAC SYSTEM DESCRIPTION DOCUMENT
The makeup outdoor air intakes are provided with smoke detectors , radiation detectors, and low-leakage isolation dampers.
Radiological Weapons: How Great Is The Danger?
Smoke detector / radiation detector combinations should be developed and required by building codes and replacement/exchange programs should be developed to speed the widest dissemination of radiation detectors in places where the public gathers.
Science and Technology Review December 2006
Many commercial products, including smoke detectors , radiant signs, and even bananas, emit radiation, and a shipment of such items can cause radiation detectors to alarm.
The Healthy Geezer: What's Radiation Sickness?
In addition, tobacco, fertilizer, welding rods, gas mantles, luminous watch dials, and smoke detectors contribute radiation .
Wireless smoke detection system
 Smoke Detectors and Radiations in US Environmental Protection .
Assessment of radiation doses from residential smoke detectors that contain americium-241
In addition, consideration was given to persons who could be exposed to the radiation from smoke detectors incidentally and accidentally during transport, distribution, disposal, and unusual circumstances.
HEAT TRANSFER IN HETEROGENEOUS PROPELLANT COMBUSTION SYSTEMS
Further careful measurements are needed. ln undertaking such measurements it is important to deal effectively with the problem of obscuration of the radiation detector by smoke , soot, and aluminum agglomerates. lf the radiation signal is measured when the detector or collection optics …