ASTM F1669M船上电气系统绝缘监控器规格（米制）
日期:2012-02-08 13:40
(Type I) or dc ungrounded electrical systems (Type II). However, devices used in ac ungrounded systems without dc components are not included. The devices shall undergo conformance and routine tests to ensure that the device meets the requirements specified. Conformance tests shall included testing of response time, peak voltage, input impedance or resistance, built-in meters, and impulse voltage withstand capabilities, whereas routine tests shall include testing of response value, self-test fu
2/7 下一页 上一页 首页 尾页
返回
刷新
WAP首页
网页?/a>
登录
11/06 11:05