Hiki ke ana ʻia nā hewa, ka uila, ka mana o kēia manawa, ka ikaika a me ka reactive, ka pae, ka pinepine, a me ka mea mana i ka manawa like, e hōʻike ʻia nā kiʻi vector a me nā hopena wili.
I ka manawa like, e ho'āʻo i ʻelua pulse i ʻike ʻia, a ʻokoʻa loa ke ʻano hana mau a me ka helu o nā pulse i ʻike ʻia i ka manawa like.
ʻO GDYM-1A Hoʻokahi manawa ʻo Electric Energy Meter Calibrator he mea ana i nā ʻāpana he nui i piha kikohoʻe, multi-function a me ka pololei kiʻekiʻe.
Hoʻohana ʻia ʻo GDDO-20C AC/DC Electric Meter Calibration Device no ka ʻike ʻana i ka hewa kumu o nā ʻano mea kani uila uila i nā ʻōnaehana mana, me ka voltmeter, ammeter, wattmeter, ohmmeter, hoʻokahi manawa & ʻekolu manawa AC ikehu mika (koho) a me ka hewa kumu o DC volt-mika a me ka ammeter.