Hewlett-Packard HP 5302A 50 MHz Universal Counter Frequency Counter

HEWLETT PACKARD HP 5302A 50 MHz Universal Counter MEASURING SYSTEM

BK Precision 100MHz Frequency Counter 1803A

HP AGILENT 5314A UNIVERSAL COUNTER / Hewlett Packard / Made In USA / READ DESC

Hewlett-Packard 5334A Universal Counter 100 MHz Option 010 OCXO 060 Rear Inputs

Used HP 5315A counter 1pc

BK PRECISION 1856D 3.5GHz Multifunction Frequency Counter

Frequency Counter : GW Instek model GFC-8010H; functional, working, clean