Our full capability facility can repair and calibrate your Keysight Agilent HP 8557A Spectrum Analyzer. We specialize in servicing obsolete, unsupported test equipment. Fast!

8557A is a 10kHz to 350 MHz spectrum analyzer plug-in for use with the 853A or 180-series display. The high performance and convenient operation of this economical unit is ideally suited for a variety of applications in production, R&D or field service measurements.

The 8557A is calibrated to measure signals from +20 dBm to -117 dBm over a frequency range of 0.01MHz to 350MHz.