This Honeywell Ultraviolet Flame Detector is designed to detect the ultraviolet radiation emitted by combustion flames. The device incorporates a self-checking feature that automatically verifies the operational integrity of the scanner, ensuring consistent and reliable performance. It is equipped with a broad Harrington counter, which enhances its flame detection capabilities. The product operates at a wavelength of 190-230 nm (nanometers), making it highly sensitive to UV radiation from various types of flames, including those from gas, oil, and coal. Its rugged design allows it to withstand harsh industrial environments and high temperatures.