Description
The Gamewell-FCI Velociti® Series, ABD-2F and addressable projected beam smoke sensor is uniquely suited to sense smoke in hostile environments or open areas with high ceilings where spot-type sensors are unsuitable or difficult to install and maintain. It is intended for use in the signaling line circuits with the following sub-assemblies.

FEATUREs
• Includes a single-ended, reflective design.
• Has six user-selectable sensitivity levels.
• Spans a 16 to 328 foot (4.9 to 99.9 m) detection range.
• Compatible with the E3 Series® ILI-MB-E3 and ILI-S-E3
   or the S3 Series, SLC-PM.
• Contains an integral sensitivity test feature (ABD-2SF).
• Designed with a digital display - no special tools
   required.
• Provides a user-friendly alignment procedure.
• Offers an integral automatic gain control that 
   compensates for signal deterioration from dust build-up.
• Available with an optional Remote test station.