UNI-T UT673E Solar MPPT Meter, designed specifically for testing solar photovoltaic systems [Source].It is capable of measuring solar panels up to 1500V DC and 2000W [Source].The meter features an automatic scanning function for MPPT (Maximum Power Point Tracking) to determine the highest power point of a solar array [Source].It includes a data hold feature and a backlit LCD screen for easier reading in various lighting conditions [Source].