Photoelectric Smoke Detector (Model D-223)

(MODEL D-223)

DEMCO Single Station Photoelectric Smoke Detector D-223 is a battery operated, 9V single station smoke alarm specifically designed for residential and institutional applications including sleeping rooms of hospitals, hotels, motels, dormitories and other multi-family dwellings. It is designed to give early warning of developing fires by giving off an audible alarm from its built-in alarm horn. This provides precious time for escape before a fire spreads.

The D-223 features a solid-state surface-mount circuitry and are designed for low power consumption, precision and stability.

  • Easy to install – install directly to proper location without any wiring.
  • Easy to maintain – minimum one year battery life under normal operation.
  • Easy to test – the LED alarm indicator doubles as a test button – just press it for 2 seconds and hear the alarm sound to confirm that it is working in normal condition.
  • Low battery warning – “unit beeps” every one minute for at least 7 days to indicate battery needs replacing.
Smoke Sensitivity 0.08 – 0.14dB/m
Battery Availability
18 months (Carbon Zinc); 3 years (Alkaline); 10 years (Lithium)
Standby Current 8pA
Alarm Current 15mA
Temperature Range 0°C to 50°C
0 to 95% RH, no condensation or icing
Alarm Sound Level 85 db/3m
102mm (dia) x 35mm (ht) with base
130g with base (9V battery included)

Specifications are subject to change without prior notice.


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