Overview Reviews Product Description Belimo Duct Sensor CO? / VOC / CO?+VOC mix / Temperature active, 0...5 V, 0...10 V, Probe length 7" [180 mm], Probe diameter 7.09" [19.5 mm] Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × Belimo Belimo 22DCK-51 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments