Nortech NGA-401 Addressable Photoelectric Smoke Detector

Nortech NGA-401 Addressable Photoelectric Smoke Detector

SKU: NORTECH-00012
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AED 110.00

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A high-precision, microprocessor-controlled addressable smoke detector designed for the Nortech NGA series, featuring advanced light-scattering technology for rapid fire detection and false alarm immunity.

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Description

The Nortech NGA-401 is an intelligent, analogue addressable photoelectric smoke detector that serves as a primary sensing element for Nortech?s fire safety networks. It operates on the light-scattering principle, utilizing an internal infrared light source and a photodiode receiver. When smoke particles enter the specialized sensing chamber, they scatter the light onto the sensor, triggering a signal proportional to the smoke density.

Features

  • Individual Addressability: Each detector is assigned a unique address, allowing the control panel to display the exact location of a fire or fault (e.g., Room 101, 1st Floor).
  • Advanced Photoelectric Chamber: Optimized for the detection of visible smoke particles from slow-burning or smoldering fires, providing a faster response than ionization types.
  • Environmental Compensation: The internal microprocessor automatically adjusts the detector’s sensitivity to compensate for dust build-up, significantly extending the time between cleanings.
  • 360 Degree Visibility: Dual high-intensity LEDs ensure the alarm status is visible from any angle, which is essential for rapid identification during emergencies.
  • Digital Communication: Employs a robust communication protocol that is highly resistant to electromagnetic interference and electrical noise.
  • Sleek Low-Profile Design: Aesthetically designed to blend into modern ceiling finishes without being obtrusive.
  • Easy Maintenance: Features a simple twist-and-lock mechanism into the NGA-Common Base, allowing for quick head replacement or testing.
  • Intelligent Self-Diagnostics: Constantly monitors its internal sensor and circuitry, reporting any degradation or internal faults directly to the main control panel.

Specifications

  • Brand: Nortech
  • Model: NGA-401
  • Detection Type: Photoelectric (Infrared)
  • Protocol: Nortech Addressable
  • Compliance: EN54-7
  • Operating Voltage: 17V to 30V DC
  • Quiescent Current: 450 microamps
  • Alarm Current: 3mA (LED on)
  • Addressing: Digital (via handheld programmer or panel)
  • Visual Indicator: Dual Red LEDs (360 degree visibility)
  • Operating Temperature: -10°C to 50°C
  • Material: White Flame-Retardant ABS
  • Dimensions: 100mm (D) x 50mm (H)

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