Amaphutha, i-voltage, amandla amanje, asebenzayo futhi asebenzayo, isigaba, imvamisa, kanye nesici samandla singalinganiswa ngesikhathi esisodwa, nesibalo se-vector kanye nemiphumela yezintambo izoboniswa.
Ngesikhathi esifanayo hlola ukushaya kwenhliziyo okubili okutholiwe, futhi imodi engaguquki, yokusebenza kanye nenani lama-pulses atholiwe ngesikhathi esisodwa kungase kwehluke ngokuphelele.
I-GDYM-1A Isigaba Esisodwa I-Electric Energy Meter Calibrator iyithuluzi lokulinganisa lamapharamitha amaningi eligcwele idijithali, i-mullti-function kanye nokunemba okuphezulu.
I-GDDO-20C AC/DC Idivayisi Yokulinganisa Imitha kagesi isetshenziselwa ukuthola iphutha eliyisisekelo lamathuluzi ahlukahlukene kagesi wefrikhwensi ezinhlelweni zamandla, okuhlanganisa i-voltmeter, i-ammeter, i-wattmeter, i-ohmmeter, isigaba esisodwa namamitha wamandla wesigaba sesithathu se-AC (ongakukhetha) kanye nephutha eliyisisekelo DC volt-meter kanye ammeter.