Lab DC/AC Power Supply ,laboratory power supply: 220/240V, AC/DC, 50HZ, output 2/12V AC & DC, total load 8A max, with meter. Lab DC/AC Power Supply ,laboratory power supply: 220/240V, AC/DC, 50HZ, output 2/12V AC & DC, total load 8A max, with meter. Lab DC/AC Power Supply ,laboratory power supply