Product Overview DK-51F electronic transformer calibrating equipment is designed by a lot of advanced technology such as imported large-scale of integrated circuitsDSPDDSCPLDsmall signal processing technology and original operating system. It's suitable for calibrating and testing electronic transformer and MU. It's an ideal product for miner enterprises and power system to test and calibrate. Main Features (1) The first device in this area in China and it's also advanced throughout the whole world. (2) Output with wide-screen and small-signal standard source, high accuracy, stability and response quickly. (3) Transmission and calibration between electronic transformer and MU. (4) Harmonic closed-loop output, 2-50 times, accuracy: 0.05%. (5) Export three-phase voltage, six-phase current output, suitable for measuring and protecting small signals. (6) Original operating system. TFT true color LCD display. Display the test screen as soon as the device is turned on. (7) Rich device gears, user-defined interpolation gear is permitted.