Discontinued Products: Detectors, MCPs & Modules

2-Wire Photoelectric Air Duct Smoke Detector - Discontinued Product

Product Overview

DH100LP is a 2-wire Photoelectric Air Duct Smoke Detector capable of sensing smoke in air velocities from 0.5 to 20.32 m/sec. This Innovair features Low-Flow technology enabling duct smoke detection throughout a broad range of airflow environments.


  • Air velocity rating from 100 to 4000 feet per minute (0.5 to 20.32 m/sec.)
  • Patented telescopic sampling tube
  • 12/24 Vdc operation
  • Built-in reset button
  • Outside mounting tabs
  • Easy and quick mounting to round or rectangular ducts from 1′–12′ (0.3–3.7 meters) wide
  • Photoelectric models available
  • Easy to clean
  • UL recognized field-replaceable power and sensor boards
  • Remote test station option
  • Remote annunciator option
  • Transparent cover for convenient visual inspection