Simpson 7026 Universal Electronic Counter Frequency Timer Test Equipment

BK Precision 1823A Universal Frequency Counter 2.4GHz 3-Channel

Vintage REDCO RFC-50 Frequency Counter Electronics Untested

Vintage BK Precision 1850 Universal 6 Digit Frequency Counter

Vintage B&K Precision 1820 Universal Frequency Counter Clean Untested

BK Precision Dynascan Model #1801 Frequency Counter Powers Up Pre Owned

HP 5314A Frequency Counter

Vintage HealthKit SM-128B Frequency Counter Powers On (Untested)