Mark5 Series SMT Reflow Oven Models Specifications MK5 Models Overall Length # of Heating … Top (std) Bottom Cool / External Cool optional 1810 MK5 SMT Reflow Soldering Oven 465 cm (183″) 10 … std) Bottom Cool / External Cool optional 2043 MK5 SMT Reflow Soldering Oven 668 cm (263″) 13 Top …