... )Panel size 80x80mm 3)Voltage: 220V 4)Measure 45-65Hz, Class 1.5 5)High quality material Square Type Frequency MeterPointer ... 350~650Hz. The nominal mark is F. Specifications:Accuracy: class 0.5 or class 1.0 Voltage: 110V,220V,380V,415V,440V available ... 70°C and 120°C respectively.Mounting: Flush mounting with bracket.We manufacture and provide AC/DC analog ammeter, AC/DC ...