DK-62B is designed by a lot of advanced technology such as modern testing technologyDDS waveform synthesisDSPCPLDlarge-scale integrated amplifier and original operating system. It's designed for testing and calibrating various energy meters and this product is an ideal device for electric power system to test and calibrate electrical products. Main Features: 1. The first device in this area in China to integrate the systemtest and signal generation in a single module. The product is designed with high integrationsmall sizelight weightfast responsehigh efficiencyhigh reliabilitypowerful functionsgreat power output and standard source export. 2. Apply our original operating system. Display the test screen as soon as the device is turned on. No guidance program, fast response, high efficiency. 3. Combine Windows and key operations with a variety of operations. It is applicable to different persons and habits, easy to operate. 4. The design of voltagecurrentpowerphaserate and harmonic v is superior to closed-loop export. High precision set point. Easy to adjust and use the software. 5. Common and abundant experimental points for voltagecurrent and phase. It's easy to operate and with high efficiency. 6. Digital rotary encoder adjustment is available, it's easy to use and simple. 7. High precision for the voltagecurrent and power output, high stability standard source, calibrated by software. 8. With the help of the host computer software, the calibration device is able to test and manage the energy meter automatically and conveniently. 9. Export standard harmonic 2-31 times, export once or several times of harmonics. 10. Arbitrary phase shift between three-phase voltagesthree-phase currents and each phase of voltage or current, so it can simulate export of various power failures. 11. Multiple alarms and protection. Fault detection automatically. Display fault type and location. Safe and reliable 12. Interface and software is available, opening interface protocol. Users can program by themselves to control the device.