Lumatek came up with the Lumatek CMH Ballast 630W which is a reliable high-frequency digital ballast that has been successfully used in cultivation facilities around the world, it uses square-wave technology to efficiently fire and operate CMH lamps. The Lumatek 630w CMH ballast when used with the 630W CMH lamps ensures healthy abundant yields, excellent PAR output levels per watt of power consumed and delivers outstanding results at an affordable price.
CMH technology output a CRI (Colour Rendering Index) of >90%, resulting in more umol (PAR) light than traditional HID/HPS/MH fixtures. 315w CMH fixtures also output more UV-A & UV-B. Other brands refer to this technology as LEC.
We recommend using this ballast with Lumatek CMH lamps for greatest results. (daylight 4200K and agro 3100K available).