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CD290 Photoelectric Micro Compact Fire Alarm Dual Sensing Smoke Alarms

• Double beam detection chamber can distinguish aerosol particle size, reduce false alarm.
• Quick response to real fire smoke.
• Sensitivity drift zero point compensation function, stable and reliable.
• Adapt to harsh environment with some dust and water vapor etc.
• Strong anti-pollution ability.

  • CD290
  • Sentek


CD290 Series

The CD290 high-performance smoke detectors produced by Sentek are designed for fire detection of environment with some dust and water vapor.The detector adopts the newly developed red/blue double-beam detection chamber of the Sentek, According to the Mie scattering theory, the smoke particle size in the aerosol produces different scattering effects on the red/blue light, and generates different electrical signals through the internal circuit of the product. The sophisticated processing of the software further differentiates the size of the particles in the aerosol to determine the true smoke aerosols and non-smoke aerosols.

The product has high sensitivityto fire smoke, has strong anti-interference ability to non-fire aerosols (water vapor, dust,fiber, etc.), it can compensate for detector pollution caused by environmental pollution, and reduces the probability of false alarms. The detector has quick response to smoke, low false alarm rate and long maintenance cycle (maintenance costs less),it is an ideal detector to replace normal smoke detector.

Features

Double beam detection chamber can distinguish aerosol particle size, reduce false alarm.

Quick response to real fire smoke.

Sensitivity drift zero point compensation function, stable and reliable.

Adapt to harsh environment with some dust and water vapor etc.

Strong anti-pollution ability.

Technical parameters


Product model 

CD290-4

CD290-4AR

Operating voltage 

10~60VDC

Operating current 

Quiescent current: <5mA @24V Alarm current: <30mA @24V

Sensitivity

0.5~2.5%/ft (UL smoke box, cotton wick)

Output



Relay (NO/COM/NC) Contact load:0.5A/30VDC 0.1A/125VAC

Not auto-reset

(Power off to reset)

Auto-reset(when the ambient smoke concentration is less than 80% of the detector response threshold)

Size   54.1 x φ96.4 (with base) 


Certificate


证书


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CONTACT US

 +86 574 87155635, 87153117

 # 8108 or 8817

 +86 180-5855-7012

sales@sentek.cc , service@sentek.cc

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