YNDN-3H three-phase electric energy meter field calibrator is a new member of our company's electric energy meter calibrator series. It combines our company's years of experience in electric energy meter calibrators and combines valuable suggestions from many customers. Adhering to the consistent excellent quality of the torch instrument.

The YN1030E single-phase AC and DC multifunctional verification device is suitable for verifying and verifying various indicating instruments such as AC and DC currents below 0.2 level, voltmeters, resistance meters, and three-purpose meters. It can also be used as a high-stability test power supply. It can be used with high-grade standard meters to calibrate current and voltmeters above 0.2.

YN5050 three-phase program-controlled precision test power supply adopts a meter-source integrated structure, using embedded systems, large-screen TFT color liquid crystal displays and touch screens, CPLD chips and high-precision A/D, D/A and a series of devices, small in size and light in weight.

It adopts a meter-source integrated structure, all-digital closed-loop standard source technology, embedded system, large-screen TFT color LCD and touch screen, CPLD chip and high-precision A/D, D/A and a series of devices, small in size and light in weight. It can be widely used in the electric energy measurement industry, electrical laboratories and other related departments, and it is easy to carry to the scene.