Detailed Product Description SF-65 Round panel meterModel unit A, B, C, D, E, F, G SF-52: 58, 66.5, 4.5, 26, 40.5, 52, 39mmApplicationsSFIM's SF, DND, SFC series meters and direct acting indicating analogue electricalmeasuring instruments. They are suitable to be used on the distribution, the controlpanel of power plant and the different apparatus to measure the DC current,voltage AC current, ...