主要技术指标 　　

·                                                                                                                                                                                                                                                                                                                                                                                                          真正的双通道功率计－同时获得两个功率读数 　　

·                                                                                                                                                                                                                                                                                                                                                                                                          高测量速度(使用E系列传感器，在GPIB上达到100个读数/秒) 　　

·                                                                                                                                                                                                                                                                                                                                                                                                          使用8480系列功率传感器可把速度提高一倍(与437B相比) 　　

·                                                                                                                                                                                                                                                                                                                                                                                                          使用8480系列传感器不会出现量程切换延迟，并且与E系列只有一个快速量程切换点 　　

·                                                                                                                                                                                                                                                                                                                                                                                                          兼容438A功率计的代码 　　

·                                                                                                                                                                                                                                                                                                                                                                                                          适用于远程控制所有功能的GPIB和RS232连接器 　　

·                                                                                                                                                                                                                                                                                                                                                                                                          内部充电电池选件可连续供电长达4小时（选件001） 　　

描述 　　

E4419B适合于工作台和自动测试设备使用，能实现快速(使用E系列传感器能达到100读数/秒)、精确和可重复的功率测量。 　　

·                                                                                                                                                                                                                                                                                                                                                                                          真双通道功率计，可同时得到两个功率读数 　　

·                                                                                                                                                                                                                                                                                                                                                                                          高测量速度(使用E系列传感器，在GPIB上达到100读数/秒) 　　

·                                                                                                                                                                                                                                                                                                                                                                                          使用8480系列功率传感器可把速度提高一倍(与437B相比) 　　

·                                                                                                                                                                                                                                                                                                                                                                                          使用8480系列传感器没有量程开关延迟，使用E系列传感器只有一个快量程开关点 　　

·                                                                                                                                                                                                                                                                                                                                                                                          与 438A功率计代码兼容 　　

·                                                                                                                                                                                                                                                                                                                                                                                          内部可充电电池选件提供达3小时的连续使用(选件001)