BMU 280 retains all the functions of BMU 260 and adds a main flame monitoring systemThe testing function allows the controller to simultaneously monitor two flames, making it particularly suitable for use with ignitionIn the high-power burner ignition system of the mouth. (See the following figure for details)

• Built in ignition transformer
• status indicator light
• Adjustable threshold current
• Fault automatic reset/lock adjustable
• Support single electrode/dual electrode/UV ultraviolet monitoring
• Flame signal output, alarm output, manual mode output