The E4418B is a power meter is designed for bench and automatic test equipment (ATE) use.
> Fast measurement speed (up to 200 readings per second, over the GPIB, with E-series sensors)
> Speed improvement of x2 using the 8480 series power sensor (compared to the 437B)
> No range-switching delays with 8480 series sensors, and only one fast-range switch point with E-series sensors
> Code compatibility with 437B and 436A power meters
> GPIB and RS232 connector for remote control of all functions
> Option 002 Rear Panel Power Sensor Connection Option