Portable programmable power supply device

The utility model discloses a portable programmable power supply device, consisting of a microcontroller, a DC (direct current) voltage stabilizing power supply, a standby power supply, a liquid crystal display, a digital-to-analog conversion module, an analog-to-digital conversion module, a keyboard, a current output device and a voltage output device, which are connected. The portable programmable power supply device disclosed by the utility model has the beneficial effects of integrating a current source, a voltage source and a sensor into a whole and having the property of simulating various converters output by 4-20MA standard signals, the intelligent current source and the voltage source can directly obtain the corresponding values without calculation to realize all-digital adjustment, so the precision is high. The portable programmable power supply device is extensively applied to the fields of automatic production, automatic control and automatic monitoring and is capable of greatly improving the working efficiency and the control precision.