Description
- Unique single-source, dual-chamber design to respond quickly and dependably to a broad range of fires
- Sleek, low-profile design
- Integral communications and built-in type identification
- Built-in tamper-resistant feature
- Removable cover and insect-resistant screen for simple field cleaning
- Withstands air velocities up to 4,000 feet-per-minute (20 m/sec.) without triggering a false alarm
- Factory preset at 1.5% nominal sensitivity for panel alarm threshold level
- Visible LED ?blinks? when the unit is addressed (communicating with the fire panel) and latches on in alarm
- Direct surface mounting or electrical box mounting
- Mounts to: single-gang box or square electrical box
The SD355T adds thermal sensors that will alarm at a fixed temperature of 135F (57C).