Rosemount 965 Flame Detector
The Rosemount™ 965 Flame Detector delivers fast, reliable hydrocarbon fire detection up to 150 ft (45 m) with industry-leading immunity to false alarms. Powered by Emerson’s QuadSense™ triple infrared (IR3) technology, it is engineered for high-performance safety monitoring in critical environments such as airports, data centers, transportation hubs, and manufacturing facilities.
Key Features:
- Detects hydrocarbon flames up to 150 ft (45 m)
- Triple IR (IR3) sensing with QuadSense™ for proven false alarm immunity
- Factory calibrated with 150,000-hour lifespan
- 5 user-selectable sensitivity levels
- HART® communication for remote monitoring and configuration
- Multiple outputs: analog, RS-485, and relay
- Built-in test (BIT) for continuous self-checking
- Wide operating temperature: -40 to +158 °F
- Certified for performance and environmental standards: EN54-10, ULC386, FM3260
Available: BC, AB, SK
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Description
Specifications
Detection Range: Up to 150 ft (45 m) for hydrocarbon fires
Technology: QuadSense™ triple infrared (IR3)
Field of View: Horizontal: 100° / Vertical: 95° at 50% max distance
Response Time: Typically < 5 seconds
Sensitivity Settings: 5 levels (9.8 ft to 147.6 ft / 3 m to 45 m)
Communication: HART®, RS-485 Modbus®, Analog 0–20 mA, Relay Outputs
Built-in Test (BIT): Infrared BIT for optics and electronics integrity checking
Power Consumption: Normal: 25 mA (0.6 W) at 24 VDC
Temperature Range: -40 to +158 °F (-40 to +70 °C)
Humidity: 0–100% RH, non-condensing
Enclosure Rating: IP66, IP68, NEMA 6P, UL Type 4X
Certifications: EN54-10, ULC386, FM3260
Mounting Options: Wall mount, tilt mount, pole mount (2” or 3”), flame simulator
Housing Material: Polyurethane-painted low-copper aluminum
Weight: 1.65 lb (0.75 kg) detector only
The 965 is factory-calibrated for life and features a 150,000-hour MTBF (mean time between failures), reducing maintenance and maximizing uptime. It’s ideal for airports, industrial terminals, archives, hospitals, parking structures, data centers, and more.
Manufacturer info
Emerson’s tireless pursuit of innovation drives the Rosemount™ portfolio of superior quality measurement and analytical technologies to provide customers with insight across all touchpoints needed to operate efficiently, safely, and with peace of mind. https://www.emerson.com
