The Chauvin Arnoux resistance decade box has range from 0.1 to 1 Ω. It has 72 x 72 x 90mm dimensions. This combination of a set of boxes, both mechanically and electrically, to obtain, for instance, a Wheatstone bridge. This box is fitted with 4mm diameter safety plugs for output connections. It is shipped with a EN 61010-2-031 safety cord operating safety is met through the compliance to the EN 61010-1 standard. 1% ± 5mΩ accuracy