Agilent E4418B

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
Internal rechargeable battery option provides up to 5.5 hours continuous use (option 001)