Hewlett Packard 3488a Switch/Control with TWO 44474a General Purpose Relay Cards

Hewlett Packard 3488A Switch Control Unit.

HP / Agilent 3488A Switch / Control Unit

HP 3488A MULTI-CHANNEL SWITCH/CONTROL UNIT W/2X 44471A,1X 44470A,1X 44473A MOD

HP 3488A Switch/Control Unit W/ 5x 44470A Relay Multiplexer Modules #W5077

HP HEWLETT PACKARD KEYSIGHT AGILENT 3488A HPIB SWITCH CONTROL UNIT MAINFRAME

HP Agilent Keysight 3488A Switch / Control Unit

HP Agilent 3488A Data Acquisition Switch Control Mainframe No Modules