Fireye UV7A4 1/2” NPT straight UV scanner, 6 ft flex conduit with insulated nylon coupling.
Alternate part number – Eclipse SB49600-91
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The Fireye UV7A4 is a high-sensitivity ultraviolet (UV) flame scanner designed for monitoring gas or oil flames that cycle on and off frequently. It features a 1/2-inch NPT straight mount and includes a 6-foot flexible conduit with an insulated nylon coupling, facilitating straightforward installation and integration into various combustion systems.
This non-self-checking scanner operates at a supply voltage of 425 VDC ±25 VDC and a discharge current of 0.3 mA. It is equipped with a 4-foot shielded instrument cable comprising two #18 AWG conductors, allowing for a maximum operating distance of up to 250 feet. The UV7A4 is suitable for high-temperature applications, with an operating temperature range from –4°F to 257°F (–20°C to +125°C).
The UV7A4 is compatible with Fireye’s MB Series Multi-Burner controls, SB Series Single-Burner controls, and flame sensing modules such as the MBPF-100S and MB-600PF. It is UL listed and FM approved, ensuring compliance with industry safety standards. The scanner’s high sensitivity to UV radiation makes it effective in detecting the presence of flames, thereby enhancing the safety and efficiency of combustion systems.
For optimal performance, it is recommended to position the scanner within 36 inches of the flame to be monitored. Proper installation and maintenance are crucial to ensure reliable operation and to prevent false flame signals. Regular cleaning of the scanner’s viewing area is advised to maintain its sensitivity and accuracy.