Ko nga hapa, ngaohiko, naianei, te mana kaha me te hohenga, te wahanga, te auau, me te tauwehe hiko ka taea te ine i te wa kotahi, ka whakaatuhia ano te ahua vector me nga hua waea.
I te wa kotahi, whakamatauria kia rua nga putere kua kitea, me te ahua o te mahi me te maha o nga putere kua kitea i te wa kotahi ka tino rerekee.
Ko te GDYM-1A Ko te Waahanga Takitahi Hiko Hiko Meter Calibrator he taputapu ine tawhā-maha he tino matihiko, he maha nga mahi me te tino tika.
GDDO-20C AC/DC Electric Meter Calibration Device is used to detect basic error of power frequency frequency electron instruments in power systems, including voltmeter, ammeter, wattmeter, ohmmeter, single phase & three phase AC energy meters (kōwhiringa) me te hapa taketake o DC hiko-mita me te ammeter.