ولت متر روپنلی دیجیتالی 300V AC مدل UP51353602

نقد و بررسی : ولت متر روپنلی دیجیتالی 300V AC مدل UP5135

Power Supply: DC: 5V, or AC: 7-12V, or AC: 120V-500Vmeasurement display Frequency range: 50HZ±10% Output voltage: 200mv or 600V Output current: 1A or 5A (user specified) Range expansion: with shunt or transformer Power consumption: ≤1.5VA Accuracy: 0.2%±3 characters LED: highlight 0.56 display, one second’s data update Over range indication: 1 or -1 Display range: 0-1.999 Overload: for continuous 1.2 times, and for instantaneous: voltage 2 times/5S, current 5 times/5S. Isolation voltage: 2KV/50HZ/1min Insulation resistance: ≥100MΩ Average working time without breakdown: ≥5000H Working conditions: temperature: -25℃~55℃; relative humidity: ≤93% with no corrosive gas Altitude: ≤2500MTime aging: all the products have been time-aged, so that it can stably work in a long-term to reduce the impact of external environment on the meter, offering users a satisfactory product.