$150

BK Precision 175 MHz Universal Counter

$40.08

ENM T50A4 AC Hour Meter I,6-Digit,2.31 In,Round 2PAY5

$175

B&K Precision 4011 Function Generator

$80

AIRPAX ELECT., MASTER SIGNAL, FREQUENCY DETECTOR MODULE, 79U62

$325

HP 5314 A universal counter

$200

SHINKO C10-1VFEF VARIABLE FREQUENCY DIGITAL CONTROLLER

$295

Rare Systron Donner Frequency Counter Model 6243A

$56.44

ABB AF16-30-10-11 Frequency Converter 50 Hz / 60 Hz 20-60 V New

$145

Leader LDC-823S Digital Frequency Counter 250 MHz

$24.12

DIY Hertz tester module with sensitivity for 1500 MHz frequency measurement

$59.99

Eaton Durant 41314-402 Electric 4 Digit Wheel Display Counter W/Pushbutton Reset

$170.92

FA-3-6G 1Hz-6GHz Frequency Meter -30dBm to +20dBm Precision Frequency Counter