Optical/Thermo-velocity Smoke Detector 2.0 (Between Linings)
LRDEF — Optical + thermo-velocity multi-criteria detector 2.0 between linings version.
About this model
Between linings version of the Multi-criteria Smoke and Thermo-velocity Detectors (DFT/DEF), designed for installation in spaces between slab and dropped ceiling.
Same technology as the 2.0 line (Long Range) with extended range of more than 10 times the previous line, allowing use with fewer repeaters and greater signal propagation security.
Combines optical smoke detection with thermo-velocity sensor, meeting the latest ISO 7240 requirements and European and American multi-criteria detection standards.
Specifications
- Power Source
- 2 AA Alkaline Batteries (Energizer E91)
- Technology
- Optical + Thermo-velocity (multi-criteria)
- Standard
- ISO 7240 (UL-BR)
- Network Topology
- Mesh
- Line-of-sight range
- 1500 m (1.5 km)
- Range with obstacles
- 50–1500 m (calculation rules per project)
- Operating Frequency
- 915 MHz / 2.4 GHz — ISM band
- Signal Modulation
- O-QPSK
- Channels
- 11 to 26 (24 to 26 dedicated)
- Antenna Gain
- 5 dBi
- Transfer Rate
- 256 Kbps
- Encryption
- 128 bits — CCM mode (CBC-MAC)
- MAC Address Binding
- Yes
- Range vs. previous generation
- 12× greater — from 120 m to 1500 m
Optical/Thermo-velocity Smoke Detector 2.0 (Between Linings)
Between-ceiling version of Multicriteria Smoke and Thermovelocimetric Detectors (DFT/DEF), designed for installation in spaces between slab and lowered ceiling.
Same technology as line 2.0 (Long Range) with range extended by more than 10 times that of the previous line, allowing use with fewer repeaters and greater signal propagation security.
It combines optical smoke detection with a thermovelocimetric sensor, meeting the latest requirements and specifications of ISO 7240 and European and American multi-criteria detection standards.
