DEM1A Series Digital Power Meter imagwira ntchito yolumikizidwa mwachindunji ndi gawo lalikulu la 100A AC.Mamita awa adatsimikiziridwa ndi MID B&D ndi SGS UK, kutsimikizira kuti zonse ndi zolondola komanso zabwino.Chitsimikizochi chimalola kuti mtundu uwu ugwiritsidwe ntchito pamakina aliwonse ang'onoang'ono