DC Voltmeter 3d model. A voltmeter is an instrument used for measuring electrical potential difference between two points in an electric circuit. Polycount: nosub - polys 7646 verts 7848 1 sub - polys 61216 verts 30977 System units, metric, 1 unit =1 cm. --- Rendered with Vray on one subdivision, texture of pressure gauge scale included in to archives. Vray and standard versions of max file included, render scene and HDRI map - not included.