Portable metal analyzer for the determination of heavy metals. Device version for screen-printed electrodes (SPE). The system is comprised of potentiostat and separate measuring stand with integrated stirrer and replaceable electrode. The instrument is operated with the Portable VA Analyzer software. The power is supplied via the USB connector and via the integrated rechargeable battery. The device is supplied with all required accessories in a carrying case. Screen-printed electrodes are not included in the scope of delivery.