The Fireye 85UVF4-1QDWR is an ultraviolet (UV) flame scanner from the Phoenix Series, designed for industrial applications requiring reliable flame detection. This microprocessor-based device utilizes a solid-state UV sensor to monitor flame presence by detecting UV radiation within the 295 to 340 nanometer wavelength range. It features an internal flame relay with automatically set ON/OFF thresholds, eliminating the need for an external flame amplifier or switch. The scanner operates on a 24 VDC power supply and provides a 4 to 20 mA analog output corresponding to flame signal strength. Electrical connections are facilitated through an 8-pin quick-disconnect (QD) interface. The 85UVF4-1QDWR model is suitable for use in Class I Division 2 hazardous areas and is housed in a NEMA 4X (IP66) rated enclosure, ensuring durability in challenging industrial environments. Typical applications include monitoring flames in duct burners, industrial gas burners, refinery applications, and low NOx burners.
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| Model Number | 85UVF4-1QDWR |
| Spectral Range | 295 to 340 nanometers (UV) |
| Power Supply | 24 VDC |
| Output Signal | 4 to 20 mA analog |
| Electrical Connection | 8-pin quick-disconnect (QD) |
| Enclosure Rating | NEMA 4X (IP66) |
| Approvals | Class I Division 2, CE, DVGW DIN CERTCO |
| Applications | Duct burners, industrial gas burners, refinery applications, low NOx burners |