Honeywell Dynamic Self-checking C7961F1004/U Solid State Ultraviolet Flame Detector

A self-checking flame detector using a solid state UV sensor to
detect ultraviolet radiation in flames for supervision of gas, oil or
combination gas-oil burners.
• Designed for use with 7800 series controls with the R7851C flame
amp.
• Oscillating shutter interrupts ultraviolet radiation reaching the UV
sensor to provide the solid state UV sensor checking function.
• Can be mounted horizontally, vertically or at any angle in between.
• The detector requires faceplate alignment and has integral
locating reference points to assure proper operation of the shutter
mechanism.
• Models available with threaded conduit fitting and color-coded
leadwires allow rapid electrical installation.
• Incorporates UV sensor tube checking feature; used with
R7851C1008 Dynamic Self-check Amplifiers.
• Protective heat block built into mounting flange.
• -40°F (-40°C) rated ultraviolet sensing cell is supplied.
• C7961E meets NEMA 4 standards with viewing window rated to
20 psi.
• C7961F has an explosion-proof housing for use in hazardous
atmospheres with a viewing window rated to 100 psi.
• Pipe connection (all models) 1 in. NPT, includes 1 in. to 3/4 in.
bushing adapter for 3/4 in. viewing pipe mounting.