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Silent Knight SD505-PHOTO 120ºF Addressable Photoelectric Smoke Detector

IntelliKnight SD505-PHOTO  addressable photoelectric smoke detectors are the clear choice for commercial settings where

smoldering fires are a threat. In addition to accurately detecting a smoldering fire, each SD505-PHOTO

photoelectric detector has a unique address, which is recognized by the IntelliKnight panel. No precious seconds

are wasted in determining location of an alarm.

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Silent Knight

Addressable Photo Smoke Detector

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$52.20

$84.20

- $32.00

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Model SD505-PHOTO Analog / Addressable

Photoelectric Type Smoke Detector The SD505-PHOTO is particularly suited to detecting dense smoke

typical of fires involving materials such as soft furnishings, plastic, foam or other similar materials

which tend to smolder and produce large visible particles. The detector features automatic

compensation for contamination and a simple detector calibration test procedure that can be run from

the panel or remotely (using the WindowsTM based downloading software).

Operation

The SD505-PHOTO units made up of an LED light source and a silicon

photo diode receiving element. In a normal standby condition, the

receiving element receives no light from the pulsing light source. In the

event or fire, smoke enters the detector and light is reflected from

the smoke particles to the receiving element.The light received is converted into

an electronic signal. Under normal conditions, the status LED blinks

approximately every 15 seconds,indicating that the head is

communicating with the loop. The LED lights continuously during the alarm period.

 

 

Features

• Low profile, 2 inches, including base

• Simple and reliable addressing without mechanical switches

• Automatic compensation for sensor contamination

• Built-in fire test feature

• Simple detector calibration testing through the control panel or remotely through a

   WindowsTM based computer software.

• Vandal-resistance locking

• Field cleanable

• UL listed, meets NFPA 72 Ch 7 requirements

• CSFM approved

• MEA approved

• FM Approved

 

 

Specifications

Operating Voltage: 24-41 VDC

Current Consumption:

Standby: .55 mA

Alarm: .55 mA

Ambient Temperature: 32ºF to

120ºF (0ºC to 49ºC)

Mounting: 4” Square, 4” OCT,

Single gang mud ring

Relative Humidity: 85% noncondensing

Air Velocity: 0 - 300 FPM

Compatible Bases: SD505-6AB

(Sold Separately) SD505-6IB

SD505-6RB

SD505-6SB

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Silent Knight SD505-PHOTO 120ºF Addressable Photoelectric Smoke Detector