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2pcs ABS Mini Digital Electronic Add Subtract Calculator for Golf Sports

$ 9.9 $ 5.94

Heath/Schlumberger Frequency Counter Model SM-4120

$ 139.91 $ 83.95

Atoms-Nice 3DIGIT Broadcast Grade Turn Counter Screw On 3 Digit 0-999 USED

$ 17.59 $ 10.55

Green 0.1MHz-65MHz LED RF Signal Frequency Counter Cymometer Tester Meter

$ 7.84 $ 4.7

PLJ-6LED-H Digital Display Signal Frequency Counter Cymometer Tester DC 8V~12V

$ 13.47 $ 8.08

Frequency Meter Kit Automatic Nixie Tube Display Hot 1pc 2018 Hot Sale

$ 9.85 $ 5.91

Trumeter 732-0004 Totally-Sealed DC Hour Meter, 10 to 80 VDC, 2-Hole Rectangular

$ 25.34 $ 15.2

EIP Microwave 588 Microwave Pulse Counter Options 5802, 5804 Good!

$ 396 $ 237.6

1Hz-26.5GHz Frequency Counter Meter 11Bit/Sec 10MHz OCXO FA-2-26.5G PLUS tps

$ 342.83 $ 205.69

PHILIPS PM 6667 HIGH RESOLUTION COUNTER 120MHz

$ 36.96 $ 22.17

IWATSU SC7204 1.3GHz Frequency Counter

$ 176 $ 105.6

1Hz-26.5GHz Frequency Counter Meter 11Bit/Sec 10MHz OCXO+Adapter FA-2-26.5G PLUS

$ 344.59 $ 206.75

ENM T39FB48 Electronic Counter,6 Digits,LCD

$ 135.38 $ 81.23

HP 5328A UNIVERSAL COUNTER 100/120/220/240V #1 @B23

$ 88 $ 52.8

HP Hewlett Packard Microwave Frequency Counter 5351A

$ 615.95 $ 369.57

Philips PM6680 High Resolution Programmable Timer/Counter 225MHz

$ 439.12 $ 263.47

HP 5350B Microwave Frequency Counter 20 GHz

$ 728.64 $ 437.18

Industrial Timer Corporation CSF-3M Timer 0-3m 115V 15W 60Hz USED

$ 17.59 $ 10.55

DIY Kits 1Hz-50MHz Crystal Oscillator Tester Frequency Counter Meter + Case New

$ 11.82 $ 7.09

EIP 28B 12 Digit microwave frequency counter 10hz to 26.5Ghz

$ 791.12 $ 474.67

0-999900 Timer Counter 100*51*51mm 8-pin DH48J-8A Digital Programmable

$ 11.19 $ 6.71

EIP 548A Microwave Frequency Counter with Opt 02,06, 08

$ 879.12 $ 527.47

ANRITSU MF1603A 3GHz Frequency Counter

$ 792 $ 475.2

VC3165 High Frequency Counter 0.1MHz - 2.4GHz Used

$ 39.6 $ 23.76

Hewlett Packard HP 5302A Univ. Counter - HP 5300A Measuring System - Untested

$ 17.6 $ 10.56

Vintage Simpson Frequency Counter Model 710 working Radio Accessories

$ 39.6 $ 23.76

HP 5328A 500MHz Universal Counter Opt 001

$ 79.19 $ 47.51

ENM T40A45P DC Hour Meter, 6 Digit, Round, 10-80VDC T40A45 T40

$ 19.36 $ 11.61

B&K Precision 1801 frequency counter

$ 30.8 $ 18.48

Agilent/Keysight 53230A 12 digits/s Frequency Counter 350MHz, 20ps timestamp

$ 3168 $ 1900.8

General Radio 1192/z Nixie tube frequency counter with original manual

$ 281.6 $ 168.96

U Leader  LDC-822 Digital Counter, Working Condition With Low Pass Pick Up

$ 44 $ 26.4

Swan DD-76 Digital Frequency Display/Counter

$ 87.99 $ 52.79

Fluke Counter Timer Model 1953A Rackmount

$ 61.6 $ 36.96

Tektronix DC 504 Option 1 Counter/Timer - Untested

$ 8.8 $ 5.28

HP / Agilent 53131A 225 MHz Universal Frequency Counter/Timer with Opt 010 & 030

$ 703.12 $ 421.87

Vintage Micronta frequency counter- Made in US for Tandy (Radio Shack)

$ 30.8 $ 18.48

Enm T1160eb Hour Meter,Lcd,Flush Round,2 In. Dia.

$ 26.26 $ 15.76

BK PRECISION FREQUENCY COUNTER MODEL 1803A

$ 26.4 $ 15.83

Tektronix CMC251 Frequency Counter 1.3GHz

$ 26.39 $ 15.83

Nice Fluke Model 1910a Multi-Counter Frequency Freq Counter

$ 87.12 $ 52.27

Mechanical Digital Readout Assembly -- Very Rare

$ 16.72 $ 10.03

Fluke 7261A Universal Counter/Timer

$ 176 $ 105.6

HP Hewlett Packard 5316a Universal Counter - Power On Tested

$ 74.79 $ 44.87

Heathkit IM-2410 Digital Frequency Counter

$ 57.2 $ 34.32

Agilent 53131A 225MHz Universal Counter OPT 010

$ 34.32 $ 20.59

Bel Merit FC 190 Frequency Counter NIB

$ 26.39 $ 15.83

0.1-60MHz 20MHz ~ 2.4GHz RF Signal Frequency Counter Cymometer Tester Red

$ 8.25 $ 4.95

BK Precision Dynascan Corporation 1805 80MHz FREQUENCY COUNTER

$ 45.76 $ 27.45

Tenma 100MHz Frequency Counter 72-4090 in The Original Box Turn on Rest Untested

$ 88 $ 52.8

HP / Agilent 53132A Universal Counter 225 Mhz Serial # 3404A00434

$ 440 $ 264

Swan DD-76 Frequency Display/Counter, Turns on, Untested

$ 74.79 $ 44.87

Auto Range Conversion 1Hz-50MHz Crystal Oscillator Frequency Counter Tester Tool

$ 5.27 $ 3.16

Professional LCD Display Backlight 1~500MHz Counter Tester Module For Ham Radio

$ 12.32 $ 7.39

HP / Agilent / Keysight 5334A 100MHz Universal Counter Option 010, 020, 060

$ 246.39 $ 147.83

FLUKE 7261A FREQUENCY COUNTER WITH 520 MHz OPTION ****LOOK**** (REF.: 007G)

$ 132 $ 79.2

HP 5334A 100 MHZ UNIVERSAL COUNTER POWER ON ERROR 5.2 - PARTS

$ 52.79 $ 31.67

Lodestar Frequency Counter

$ 52.8 $ 31.67

Tektronix DC 505A Universal Plug-in Counter Timer - Untested

$ 19.8 $ 11.88

Agilent Keysight 53150A 20 GHz CW Microwave Frequency Counter w/ Option 001

$ 2023.12 $ 1213.87

HP 5245L Electronic Frequency Counter

$ 113.52 $ 68.11

Finger Counter Clock LCD Electronic Digital Tally Counters with Time & Backlight

$ 2.54 $ 1.52

PLJ-1601-C 0.1MHz~1.2GMZ Signal Frequency Counter Cymometer Tester Module

$ 14.44 $ 8.66

Fluke PM6680B High Resolution Programmable Timer/Counter Opt PM9624 & pm9626/01

$ 703.99 $ 422.39

Digital Frequency Counter Bench Signal Meter With AC Power Cable BNC FREE SHIP

$ 86.24 $ 51.74

Atten Frequency Counter, 10Hz-2.4Ghz

$ 62.48 $ 37.48

1~500 MHz For Ham Radio Digital Backlight Frequency Counter RF Meter Tester US

$ 12.92 $ 7.75

1~500 MHz For Ham Radio Digital Backlight Frequency Counter RF Meter Tester

$ 18.23 $ 10.94

Kenwood FC-758 Freq 1.3GHZ Multifunction Frequency Counter Two Input Channel

$ 236.8 $ 142.08

AGILENT (HP) 5361B 20 GHz PULSE / CW MICROWAVE COUNTER **LOOK** (REF.: G)

$ 659.99 $ 395.99

PHILIPS PM6680 TIMER/COUNTER 225 MHZ & 1.3 GHZ CHANNEL PM9691 PM9626 C - PARTS

$ 307.99 $ 184.79

Brand New Line Seiki Electronic Tally Counter DK2300

$ 28.37 $ 17.02

PLJ-8LED-H RF Signal Frequency Counter Cymometer Tester Equipment 0.1MHz~2400MHz

$ 16.69 $ 10.01

KEITHLEY 776/R PROGRAMMABLE COUNTER / TIMER - PARTS

$ 153.95 $ 92.37

Finger Counter Clock LCD Electronic Digital Tally Counters with Time & Backlight

$ 2.57 $ 1.54

Vintage Frequency Meter Link Radio Corp Type 2051B in Wood Case

$ 39.6 $ 23.76

HP Agilent 5351A Microwave Frequency Counter Opt 001 30 day guarantee

$ 307.99 $ 184.79

Tektronix DC504 Universal Counter Timer

$ 24.64 $ 14.78

0.1MHz~1.2GMZ Signal Frequency Counter Cymometer Meter Module Digital

$ 17.88 $ 10.72

Red Lion Controls CUB2L8 Miniature Counter 8 Digit Display 3 Volt DC

$ 24.63 $ 14.77

0.1 ~ 1200 MHz frequency counter tester DIY, SMA socket Hz tester measurement

$ 16.71 $ 10.02

Enm T50b4 Ac Hour Meter Ii,6-Digit,2.8 In,3-Hole

$ 24.6 $ 14.76

Vintage Non-Linear Systems (NLS) FM-7 Frequency Counter / Meter, Complete in Box

$ 175.95 $ 105.57

1~500 MHz For Ham Radio Digital Backlight Frequency Counter RF Meter Tester

$ 15.31 $ 9.18

DIY High Accuracy Sensitivity 1-500 MHz Frequency Meter Counter Module Hz Tester

$ 12.57 $ 7.54

Agilent FrameScope 350+Dual Remote 350+Carrying Case+Connector Accessories

$ 334.39 $ 200.63

LINE SEIKI multi-function Electronic Hand Tally Counter DK-2300 F/S w/Tracking#

$ 37.16 $ 22.29

0.56" Red LED Digital Reversible Counter Meter Up & Down DC12-24V High Quality

$ 11.43 $ 6.85

DIY High Accuracy Sensitivity 1-500 MHz Frequency Meter Counter Module Hz Tester

$ 11.67 $ 7

OMRON COUNTER H7CX-A

$ 151.36 $ 90.81

Optoelectronics DC440 Decoder

$ 83.6 $ 50.16

Hewlett Packard 5335A Universal Counter 200 MHz Opt 010 and 040

$ 38.72 $ 23.23

HP 5345A Frequency Counter PLL Multiplier Board

$ 13.2 $ 7.91

Hewlett Packard 5315A Universal Counter

$ 83.6 $ 50.16

KEYSIGHT AGILENT HP 5314A UNIVERSAL FREQUENCY COUNTER TIMER 120V GOOD CONDITION

$ 171.6 $ 102.96

Radio Shack 22-305 LCD RF Frequency Counter With Antenna

$ 52.79 $ 31.67

8LED RF Signal Frequency Counter Cymometer Tester Display 0.1-60MHz 20MHz~2.4GHz

$ 8.25 $ 4.95

RF Signal Frequency Counter Cymometer Tester Display 8LED 0.1-60MHz 20MHz~2.4GHz

$ 8.69 $ 5.21

HP/Agilent 53131A 225 MHz Universal Frequency Counter/Timer

$ 440 $ 264

ABB ACS550-01-015A-4 380V 5.5KW Frequency Converter New #

$ 450.48 $ 270.29