$250

HP 5384A Frequency Counter

$346.99

MECO FDM96 3B Digital Frequency Meter 45.0-55.0Hz

$150.02

BG7TBL -30dBm to +20dBm Frequency Meter Frequency Counter with Power Adapter

$28.85

HF508 100Hz~8Mhz Fractional-N Frequency Divider Divide By 2 3 4 5 6 7 8 9 10

$3142.24

KEYSIGHT 53220A UNIVERSAL FREQUENCY COUNTER/TIMER 350 MHz 100ps 100-240VAC

$328

Keysight Agilent 53181A opt:030 Universal Frequency Counter 3GHZ,10 digits/s

$1100

ADVANTEST R5373 MICROWAVE COUNTER 27GHZ

$16.93

Automatic Range Conversion 1Hz-50MHz Crystal Frequency Counter Tester LED PCB A

$70.47

Autonics CT6S-I4 Counters Standard type New 1PCS #

$100

nida-trainer model 210 electronic frequency counter [5*A-20]

$247

H7CC-AU Digital Counter Fits OMRON

$138.95

HP Hewlett Packard 5315A 108-126V Universal Counter, Used