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Model 602 and 611 - Flame Detector

  Model 602 and 611 - Flame Detector

Model 602 and 611 - Flame Detector

Product catalog summary
Introduction
The CODEL Model 602 & 611 Flame Detectors are designed for use in confined public areas to detect ultra-violet light emitted by open flames, providing early alarm signals to maximize response time for fire-fighting and evacuation.

Product Features
  • Models 602 and 611 are robust, UV flame detectors with floor-mounted (611) and ceiling-mounted (602) options.
  • They require minimal maintenance, primarily periodic lens cleaning.
  • Equipped with a continuous self-test facility for high accuracy and stability.
  • Designed to withstand harsh environments with modular construction for simple installation and low cable requirements.
  • Fully sealed to IP68 for high availability and minimal maintenance.

Specifications
  • Range: Normal - 10mA±1mA; Alarm - 20mA±2mA.
  • Response Time: Detects a reference fire in 10 seconds.
  • Construction: Fully sealed to IP68.
  • Operating Temperature: -20°C to +70°C.
  • Power Supply: -24V DC.
  • Output: 500Ω load maximum.

Operating Principle
The detectors operate by allowing UV radiation to pass through a window to a nickel cathode, producing electrons via the photoelectric effect. These electrons are accelerated and collide with relaxator gas molecules, creating a cascade effect that generates an electrical current monitored by the sensor head. The current size determines the operational mode: normal, alarm, or fault.

Fault and Alarm Conditions
  • Fault Alarm: Triggered by <8mA indicating power failure, instrument failure, or dirty windows.
  • Alarm Mode: Activated when UV levels produce a current of 20mA±2mA.

Certification and Testing
  • Shock and vibration tested to IEC571 standards.
  • EMI and magnetic fields tested to IEC801 and MIL STD461/462 standards.

Conclusion
The CODEL Model 602 & 611 Flame Detectors are reliable, accurate, and designed for high-performance fire detection in challenging environments, ensuring safety and minimizing false alarms.
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Catalog excerpts

  Model 602 and 611 - Flame Detector-1

continuous self-test facility enables high accuracy & stability to be maintained over long periodsdesigned to withstand the harshest environments modular construction ensures simple installation& low cable requirementsrugged units, fully sealed to IP68, designed forvery high availability with minimal maintenance requirements In confined public areas where the risk of fire isever-present, the need for adequate fire detection is becoming increasingly important if unnecessary loss of life is to be avoided.The CODEL Model 602 & 611 are designed to detect theultra-violet light emitted by an open flame and to provide the earliest time for alarm and so maximise the time to instigate fire-fighting and evacuation procedures.These robust, ultra-violet floor-mounted (611) andceiling-mounted (602) flame detectors are easily installed and maintenance is limited to periodic cleaning of the lenses - as little as once per year depending on the application.CODEL UV flame detectors, together with Model 121smoke detectors, have been in successful operation in the roll-on-roll-offђ trains operated by Eurotunnel for over 15 years. Model 602 Model 611 > Doc i/d : 090010 Issue : A Rev. : Date : 18/3/09 2009 CODEL International Ltd. We reserve the right to modify designs without prior notice. size="-1">

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