Crowcon 40/40R – Single IR Flame Detector

Part no.

Crowcon-40-40R

The Crowcon 40/40R Single IR Flame Detector can detect hydrocarbon-based fuel and gas fires using advanced flame analysis tools.

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Crowcon 40/40R Single IR Flame Detector

The Crowcon 40/40R Single IR Flame Detector is a high-performance infrared flame detector designed for the rapid detection of hydrocarbon fuel and gas fires. Using advanced flame analysis technology and detection at 4.5 μm infrared wavelength, the 40/40R provides early fire warning while maintaining immunity to common sources of false alarms such as sunlight and infrared projectors.

Designed for use in hazardous industrial environments, the detector features a heated optical window, extensive communications options, SIL2 certification, and multiple output interfaces for seamless integration into fire and gas safety systems.

Key Features

Single infrared (IR) flame detection technology
Detects hydrocarbon fuel and gas fires
Detection at 4.5 μm infrared wavelength
Advanced flame analysis for improved discrimination
High immunity to false alarms from:
- Sunlight
- Infrared projectors
- Other non-fire IR sources
User-selectable sensitivity settings
Automatic and manual Built-In-Test (BIT)
Heated optical window
Suitable for snow, ice, and condensation-prone environments
Three programmable relays:
- Alarm
- Fault
- Auxiliary
0-20 mA stepped analogue output
HART communication protocol
RS-485 Modbus communications
User programmable via HART or RS-485
Low power consumption
Compact and lightweight design
High reliability with MTBF exceeding 150,000 hours
SIL2 certified (TÜV approved)
Five-year warranty

Typical Applications

Oil & Gas Facilities

Refineries
Gas processing plants
LNG terminals
Tank farms
Offshore platforms

Petrochemical Plants

Process units
Loading facilities
Storage installations
Hazardous production areas

Power Generation

Gas turbine enclosures
Fuel handling systems
Generator rooms

Marine & Offshore

Engine rooms
Offshore production facilities
FPSOs
Marine fuel storage areas

Industrial Facilities

Chemical plants
Manufacturing sites
Warehouses
Hazardous material storage areas

Technical Specifications

Specification	Details
Product	Crowcon 40/40R
Detection Technology	Single Infrared (IR)
Detection Wavelength	4.5 μm
Fire Types	Hydrocarbon Fuel and Gas Fires
Sensitivity Settings	User Selectable
Built-In-Test	Automatic and Manual
Heated Window	Yes
Relay Outputs	3 (Alarm, Fault, Auxiliary)
Analogue Output	0-20 mA Stepped
Communications	HART, RS-485 Modbus
Programming	Via HART or RS-485
MTBF	>150,000 Hours
Safety Integrity Level	SIL2 (TÜV Approved)
Warranty	5 Years
Power Consumption	Low Power Design

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