Chapter 1: Product and component descriptions
4 LaserSense HSSD-2 Aspirating Smoke Detector Installers Handbook
Specification Value
Bar graph sensitivity range 0.0015 to 25% obs/m (0.00046 to 7.62 obs/ft.)
Bar graph segments 26
Chamber service intervals Greater than 8 years (depending on environment)
Dust separator (filter) replacement
intervals
Greater than 5 years (depending on environment)
Laser lifetime (MTTF) Greater than 1000 years
Programming Front panel or PC via RS-232/RS-485
Data bus cable RS-485 data cable
Data bus length 1,200 m (4,000 ft.)
IP rating IP50
Standard detector
The standard detector may be operated as a stand-alone unit, or may be part of
a network of detectors centrally monitored by a command module. It may be
programmed via its front panel, as in the standard detector and command
module versions, shown in Figure 2 on page 5 and Figure 3 on page 6.
Alternatively, the standard detector can be ordered without a front panel display
(minimum display) as shown in Figure 1 on page 5. The detectors may be
programmed remotely via the detector’s RS-485 terminals using a command
module, or via the detector’s RS-232 port using a PC running the Remote Control
software. A copy of this software is supplied with each detector.
The standard detector without a front panel display is housed in a rugged sheet
metal steel enclosure. This detector includes LEDs to indicate alarms, faults, and
normal operating conditions. The standard detector with display (and command
module) can also be ordered with the steel enclosure.
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