ولتمتر روپنلی دیجیتالی LG5135 500V AC مشخصات ولتاژ تغذیه 5 ولت DC ولتاژ قابل اندازه گیری حداکثر 500 ولت AC دقت 02 مقاومت ایزولاسیون 100 مگا اهم   Specification  Power Supply DC 5V or AC 120V500Vmeasurement display     Frequency range 50HZ10 Power consumption 15VA Accuracy 023 characters LED highlight 056 display one seconds data update Over range indication 1 or 1 Display range 01999 Overload for continuous 12 times and for instantaneous voltage 2 times5S current 5 times5S Isolation voltage 2KV50HZ1min Insulation resistance 100M Average working time without breakdown 5000H Working conditions temperature 2555 relative humidity 93 with no corrosive gas Altitude 2500