Technical Specifications Sensing type: ultraviolet; spectral response: 190–270 nm; response time: 0.8 seconds typical; supply voltage: 120V AC; output: 2 Form C relay contacts, 5A at 120V AC; operating temperature: -40°C to +85°C; IP67 enclosure; self-checking cycle: 10 seconds nominal; FM, CE, ATEX certified.
Functional Features Continuous self-diagnostic function; failsafe operation; UV-only sensing immune to visible light and hot refractory radiation; built-in flame signal strength output; sealed industrial housing.
Application Scenarios Industrial burner flame monitoring, boiler combustion control, process heater flame detection, hazardous location combustion systems.
Performance Parameters High flame detection sensitivity; reliable self-check function; stable operation in high ambient temperatures; long service life.
Material Composition Aluminum die-cast housing, UV-transmitting quartz window, photomultiplier tube sensor, electronic circuit board, glass-sealed feedthrough.
Structural Characteristics Threaded process connection, integral electronics housing, cable gland entry, mounting bracket option.
Working Principle The UV sensor detects ultraviolet radiation emitted by the flame. The self-check mechanism periodically blocks the sensor path and verifies detector response to ensure failsafe operation. Relay contacts change state when flame presence is confirmed.
Installation Requirements Mount with unobstructed view of flame zone; align sensor view angle with flame; connect conduit for wiring; verify supply voltage matches rating.
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