$198.99

TFC-1000L Multifunctional High Precision Frequency Counter Meter 8-Bit LED Displ

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Anly AEFR -Y 10-99Hz Surface Mounting Digital Frequency Relay

$499.5

1pcs KEYSIGHT/Agilent/HP 53131A Universal Frequency Counter 3GHZ 3 port/da#Ilh

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Pendulum CNT-91 Advanced Frequency SHIP EXPRESS 90 days Warranty *IW

$34.83

Frequency Meter Module 3G For HP Agilent Frequency Counter 53181/53131/53132A ts

$109

AGILENT (HP) 5315A 0.1 Hz to 100 MHz UNIVERSAL COUNTER *LOOK* (REF: 559G)

$39

HP 5340A Frequency Counter Board 05340-60003

$97.02

Kenwood FC-758 FC758 1.3GHz Frequency Counter w/ Scratches and Breakages AS IS

$62.99

HP/Agilent 53131A/52181A/53132A (Clone) Option 030 3GHz Frequency Counter

$102.29

Autonics CT4S-2P4 Counters Standard type New 1PCS ✦KD

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1 pcs ZVB20 2-port new button membrane

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