Catalog Number

SIGA-PS

Sensing Element

Photoelectric - Light Scattering Principle

Storage &Operating                   Environment

Air Velocity Range: 0 to 5,000 ft/min (0 to 25.39 m/s);

Humidity: 0 to 93% RH, Non-Condensing

Operating Temp: 32ºF to 120ºF (0ºC to 49ºC);

Storage Temp: -4ºF to 140ºF (-20ºCto 60ºC)

Sensitivity Range

ULI/ULC - 0.67% to 3.77% obscuration/foot

User Selected

Alarm Sensitivity

Settings

Most Sensitive: 1.0%/ft.; More Sensitive: 2.0%/ft.;

Normal: 2.5%/ft.;

Less Sensitive: 3.0%/ft.; Least Sensitive: 3.5%/ft.

Pre-alarm Sensitivity

5% increments, allowing up to 20 pre-alarm settings

Operating Voltage

15.2 to 19.95 Vdc (19 Vdc nominal)

Operating Current

Quiescent: 45µA @ 19 V; Alarm: 45µA @ 19 V

Emergency Stand-alone Alarm Mode: 18mA

Pulse Current: 100 µA (100 msec);

During Communication: 9 mA max.

Construction & Finish

High Impact Engineering Polymer – White

LED Operation

On-board Green LED - Flashes when polled;

On-board Red LED - Flashes when in alarm

Both LEDs - Glow steady when in alarm (stand-alone)

Agency Listings

UL, ULC, MEA, CSFM

UL Listed Spacing

30 ft