Based on high-precision and high-stability high-voltage module design, it outputs a total of four high-precision DC high-voltage channels such as V1, V2, Vs, V0, and one channel of high-stability filament constant power drive IF. Newly-designed multi-line information LCD display panel makes all the information clear at a glance. Unique high-compatibility normalized design, users can modify the setup parameters, the power supply can be used directly for Hitachi model S-8820 S-8840 S-9200 S-9260 S-9300 S-9380 all CD-SEM machine. Built-in V1/V2 curve database of each model CD-SEM machine, automatic switching. High-voltage cables and plugs for electron gun are included with the machine, the length is 2.2 meters and can be customized. Higher integration, lower power consumption and weight. Same communication and control protocols as the original OEM model power supply, same communication, power and interlock interfaces, directly used to replace original Hitachi electron gun high voltage power with model 567-5101, 560-6590, 569-6592.