HP Keysight 8477A Calibrator for 432-series Power Meters
The Keysight/HP 8477A power meter calibrator is
specifically designed for use with the 432-series power meters.
It allows you to verify full-scale meter readings on all ranges,
and meter tracking. Simply connect three cables between the
power meter and calibrator, no charts or additional instruments
are required. You can perform full calibrations and certify 432
Power Meters using only the easy to use Keysight/HP 8477A.
Operating and Service Manual available at https://www.keysight.com/us/en/assets/9018-05278/user-manuals/9018-05278.pdf
The item is in good condition, tested and working.