... power department, measuring department, quality control department, research units, and institutions of higher learning, and electric energy ... and reliable;• To have the big screen, 320 x 240 LCD display, Chinese or English interface, operating ... Volume and weight Size: 420 mm x 320 mm x 155 mm (long x width × high) weight: 12 kg ... -30 °C ~ 60 °C GF101 Program-controlled Single-phase Standard Power Source