Photoelectric, integrated low-flow technology Air velocity rating from 1.5 m/s to 20.3 m/sec Versatile mounting options in square or rectangular configuration with modular construction Plug-in sensor Superb false alarm immunity with the latest sensor technology Broader ranges for operating temperature (-20ºC to 70ºC) and humidity (0% to 95% non-condensing) Patented sampling tube installs from front or back of the detector with no tools required A cover tamper feature to indicate a trouble condition for removed or improperly installed sensor cover Increased wiring space with 15mm and 20mm conduit knockout Improved LED status 24 VDC Backward compatibility with existing DH400 range, including remote accessories

Single & Dual channel versions with independent channels including fan, sensor, and flow monitoring Multiple event logging up to 2240 events Ultrasonic airflow sensing PipeIQâ„¢LT software provides intuitive system layout and configuration all in one package User friendly air flow pendulum graph for verification of pipe network functionality Protected electronics from air flow and accidental damage during installation or maintenance Easily replaceable and reusable filter without affecting the rest of the device Designed for efficient wiring and installation: cable gland holes, easy access to the wiring area and no special tools required. Easy access to parts requiring routine maintenance IP65 enclosure

Key Features:; Single Loop Control Panel, 230Vac, 2 sounder circuits. Supports the Morley-IAS protocol Dims 260 x 390 x 147mm (H x W x D) Network up to 16 loops (16x1 loop panels, 8x2 loop panels, 4x4 loop panels or any mix up to max 16 loops) True peer-to-peer and fault tolerant network for high system reliability BS5839 part 1 compliant network Disable all relays Easy 5 key-press set-ups Large blue LCD display Supports USB upload/download Alpha-numeric style keypad and navigation keys Option to upload a company logo 160 zone compact mimic support Panel buzzer ‘mute’ in engineering mode Up to 72-hour standby