GDDO-20C AC/DC Magetsi Meter Calibration Chidimbu chinoshandiswa kuona kukanganisa kwemhando dzakasiyana dzemagetsi ma frequency emagetsi masisitimu emagetsi, anosanganisira voltmeter, ammeter, wattmeter, ohmmeter, single phase & matatu chikamu AC simba metres (optional) uye basic kukanganisa DC volt mita uye ammeter.