200kV高稳定度高压电源主要配DXT-200型电子显微镜使用。其高压电缆插口与日本电子公司200CX电镜一致,并且电压换档方式一致。目前主要技术指标为下: 高压分档:40;80;100;120;160;200kV 高压稳定度:优于5×10~(-6)/min(不含40kV) 实测1～2×10~(-6)/min与200CX电镜的高压电源出厂指标一致。 200kV纹波电压:小于0.5V_(p-p)实测约0.2～0.15V_(p-p) 本电源负载电流可达120uA。有冲击电压装置,各档加速电压均能短时间上升20kV。有电压中心装 200kV high-stability high-voltage power supply is mainly used with DXT-200 electron microscope. Its high-voltage cable socket and the Japanese electronics company 200CX electron microscope consistent, and the voltage shift mode. At present, the main technical indicators for the next: High pressure sub-file: 40; 80; 100; 120; 160; 200kV High pressure stability: better than 5 × 10 -6 / min (excluding 40kV) (-6) / min and 200CX electron microscope high-voltage power supply factory specifications. 200kV ripple voltage: less than 0.5V_ (p-p) measured about 0.2 ~ 0.15V_ (p-p) The power load current up to 120uA. A surge voltage device, each file acceleration voltage can rise 20kV in a short time. A voltage center installed