Potenziometro di Calibrazione per Misurazione Precisa Tensione AC220V 70V ~ 500V
Maximum input: AC500V. Input impedance:> 1M Ω. Bright and clear LED display panel for easy reading. Work current: red <23ma, green <18mA, blue <17ma. Line length: 20cm. Work temperature: -20 ℃ ~ 65 ℃.