High Accuracy Standard DC Current Source With LCD Display Multi - Functional

High Accuracy Standard DC Current Source With LCD Display Multi-Functional 1. Equipment introduction The XL-901 DC standard meter is the latest DC energy metering standard device developed by our company. It is aimed at the needs of the current DC power meter verification on the market, follows the national verification rules of the DC energy meter, and combines the latest technology of the company, using imported industrial grade devices, can accurately measure the high