ZHJZ series maintenance free flame detector probe is accurately designed, easily operated, and is at present the most advance flame detector probe, widely used in coal-fired,fuel oil,gas and little oil ignition etc kinds of fuel flame detection. ZHJZ flame detector probe is consisted of probe module and probe amplifier , Probe module is consisted of inner catheter,outer catheter,optical fiber,lens element,cooling air interface etc mechanical parts. ZHJZ series flame detector can fall into rigid tube and flexible hose two kinds of probe; and fall into infrared rays,ultraviolet rays and visible light.