The E4418B 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