Hoʻopili pololei ʻia ka DDS353 Series Digital Power Meter i kahi kaapuni AC 50A haʻahaʻa loa.Ua hōʻoia ʻia kēia mika MID B&D e SGS UK, e hōʻike ana i ka pololei a me ka maikaʻi.Hiki i kēia palapala hōʻoia ke hoʻohana ʻia kēia ʻano hoʻohālike no nā palapala hoʻolimalima sub-billing.