... analog electronic experimental plot, the oscilloscope placed area etc. The device has the personal and equipment safety protection methods such as ... process, welding technology, the common use of the instrument and meter, PCB plate making quickly. 2. Technical parameter 1,Dimension: ... -10°C~+40°C; hunidity<90% (25°C) 4, Device capacity: <1KVA3. Factory:Our factory located in Pioneering park overseas ...