
FDS303 UVIR Ultraviolet-
Infrared Flame Detector
Designed for hazardous industries where fast fire detection is critical and nuisance alarms are not an option!
The MICROPACK FDS303 UVIR is an explosion proof ultraviolet-infrared flame detector. The device delivers superior performance, responding to hydrocarbon liquid fuel and gas fires at long distances.
The FDS303 UVIR has been independently tested to demonstrate it can detect a hydroc arbon fuel pan fire at over 128 feet in less than 5 seconds.
About the product
The FDS303 UVIR compliments the FDS series by delivering superior performance on
a wide range of hydrocarbon fires.

Multi-spectrum IR design delivers long detection distances and enhanced false alarm immunity.
Microprocessor controlled heated optics, maintains operation in harsh weather conditions (snow, ice, condensation).
Adjustable sensitivity levels, for application flexibility and to ensure detectors do not cross vote.
Easy integration using industry standard outputs: Alarm and Fault Relays; 0-20mA; HART®, as standard.
External testing with a long-range flame simulator minimises the need for scaffolding.
With FM, IECEx, ATEX, CE, and SIL2 approval, the FDS303 UVIR is accepted worldwide. This acceptance is enhanced with a range of metric and imperial threads.
The following accessories are available for the FDS303:
- FS301 Flame Simulator - 2200.0700
- Bracket - Mounting Bracket Type 3 (Universal) - Vertical to horizontal mount - 3100.0003.1
- Marine Bracket (DNV Variant) - 3100.0003.4
- Duct/tank mount bracket - sapphire lens - 3100.0003.5
- Detector Sealing Kit - Metric (Gland seals and O ring set) - 2200.0026
- USB to RS485 converter - 3100.0028.3
- USB HART Modem - 3100.0029.3
- FS301 Flame Simulator Charger - 2200.0501
- FDS Series Air shield - 316 SS - 3100.0025
- FDS Series Air shield - Aluminium - 3100.0025.1
- 2" Pole mount bracket - 3100.0021
- 3" Pole mount bracket - 3100.0022
- 4" Pole mount bracket - 3100.0023
- FDS Series Sun/weather shield - 3100.0020
International hazardous area approvals - FM/ATEX/IECEx/INMETRO*/PESO*.
Markets
Each flame detector application presents its own set of unique challenges. Understanding these challenges and using the right detector is critical for success. These guides will help you to resolve common problems by using Micropack detectors.
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Chemical
Our flame detectors are designed and certified to detect many of the substances used in the chemical industry.
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Aviation
Our technology is trusted by many of the world's largest airlines to protect their high-value assets.
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Waste
Our Visual Flame Detection technology is recommended for use in waste management facilities by government agencies.
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Food/Beverage
Our detection technologies arewidely used in the food/beverage industry, providing reliable protection for critical processes.
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Oil & Gas
Our detectors are designed for the oil and gas industry, where fast optical flame detection is critical and false alarms are not an option.
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Power Generation
Gas turbines present unique fire detection challenges. Our iVFD technology is designed to overcome all of these issues and provide reliable detection.
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