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134

Used system

  • Trusted Seller
    Stanford Research Systems SR620

    Stanford Research Systems SR620

    • Manufacturer: Stanford Research
    • Model: SR620

    25 ps single-shot time resolution 1.3 GHz frequency range 11-digit frequency resolution (1 s) · 0.001° phase resolution Statistical analysis & Allan variance Graphical output to X-Y scopes Hardcopy to printers an...

    New Smyrna Beach, FL
  • Trusted Seller
    Stanford Research Systems SR625

    Stanford Research Systems SR625

    • Manufacturer: Stanford Research
    • Model: SR625

    Rubidium atomic timebase 2 GHz prescaler input 11-digit frequency resolution (1 s) 10 minute warm-up period Portable operation 10 MHz Rb timebase output Statistical analysis & Allan variance Hardcopy to printers ...

    New Smyrna Beach, FL
  • Trusted Seller
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    Stanford Research Systems SR625

    • Manufacturer: Stanford Research
    • Model: SR625

    Counters/Timers The Stanford Research SR625 Frequency Counter consists of a frequency counter (SR620), a high-accuracy rubidium timebase (PRS10), and a 2 GHz input prescaler. The combination of the SR620 and the ...

    Cary, NC
  • Trusted Seller
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    Stanford Research Systems / SRS SR625

    • Manufacturer: Stanford Research
    • Model: SR625

    Stanford Research Systems / SRS SR625 Universal Frequency Counter (SR620) with Rubidium Timebase and 2 GHz prescaler.

    Cary, NC
  • Trusted Seller
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    Stanford Research Systems / SRS FS725

    • Manufacturer: Stanford Research
    • Model: FS725

    Rubidium Frequency Standard. 10 MHz, 5 MHz, and 1 PPS outputs. Ultra low phase noise. Includes option 01 built-in distribution amplifier (6 additional outputs).

    Cary, NC
  • Trusted Seller
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    Stanford Research Systems / SRS SR620

    • Manufacturer: Stanford Research
    • Model: SR620

    Stanford Research (SRS) SR-620 - Universal Time Interval and Frequency Counter with Option 01 - High Stability Oven Timebase

    Cary, NC
  • ABB Bailey IMFCS01 Symphony Frequency

    ABB Bailey IMFCS01 Symphony Frequency Counter Module (Rev. B1) 782451092437

    • Manufacturer: Bailey

    ABB Bailey Symphony Frequency Counter Slave Module Model # IMFCS01 +/- 5VDC, 2.4A, +/- 15VDC, 6.9mA, Class 1, Division 2 New- Open Box, Not Tested, 30-Day Warranty Condition: New (Other) Item: 1804-354 Location: ...

    $849 USD
    Burnsville, MN
  • Trusted Seller
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    Bailey Controls IMFCS01 infi 90 Frequency Counter Slave Module Used

    • Manufacturer: Bailey

    This is a used Bailey Controls Co. Frequency Counter Slave Module.

    $275 USD
    Belgium, WI
  • Noyes Fiber Systems GFC8010G

    Noyes Fiber Systems GFC8010G

    • Manufacturer: Noyes Fiber

    Details The Noyes Fiber Systems GFC8010G is a compact Gigabit Ethernet media converter engineered to integrate fiber optics with copper-based networks. It supports high-speed, low-latency data transmission across...

    Dublin, Ireland
  • Noyes Fiber Systems GFC8055G

    Noyes Fiber Systems GFC8055G

    • Manufacturer: Noyes Fiber

    Details The Noyes Fiber Systems GFC8055G is a high-performance Gigabit fiber media converter engineered to seamlessly connect copper and fiber networks. It ensures reliable data transmission over long distances w...

    Dublin, Ireland
  • Trusted Seller
    ABB Bailey IMFCS01 Symphony Frequency

    ABB Bailey IMFCS01 Symphony Frequency Counter Module Assy 6636949A1 Infi-90 PLC (TK2240-2)

    • Manufacturer: Bailey

    ABB Bailey MPN: IMFCS01 USED Symphony Frequency Counter Module ABB Symphony, ABB Harmony, Bailey Infi90 and Bailey Infi90 Open Process Control Systems are compatible with each other. Assy. No. : 6636949A1 30 day ...

    $247 USD
    Chattanooga, TN
  • Wavecrest DTS-2075

    Wavecrest DTS-2075

    • Manufacturer: Wavecrest

    Digital Time System 0.4Hz to 800MHz Cal: Calibration Available | As-is: Unit Sold AS-IS

    $2,095 USD
    Farmingdale, NJ
  • Trusted Seller
    Fluke PM 6666

    Fluke PM 6666

    • Manufacturer: Fluke
    • Model: PM 6666

    Benchtop/System Timer Counter Max. freq.: 160.0MHz | Freq. resolution [digits]: 7 | Measurements: Frequency, Period, Ratio, Count totalization, Time interval, Voltage

    New Smyrna Beach, FL
  • Fluke PM6680

    Fluke PM6680

    • Manufacturer: Fluke
    • Model: PM6680

    Measuring Power For the price, PM6680 features a remarkably high 350 picosecond resolution fro single-shot time intervals. For more resolution, reprtitive time intervals cam also be averaged. You also have resolu...

    Farmingdale, NJ
  • Tektronix CMC251

    Tektronix CMC251

    • Manufacturer: Tektronix
    • Model: CMC251

    The CMC251 1.3 GHz Multifunction Counter measures the frequency of sine, square and triangle waves from 1 Hz to 1.3 GHz. The CMC251 also provides period, totalize and pulse width measurements. The counter has two...

    $520 USD
    Farmingdale, NJ
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Overview

Frequency counters are electronic instruments used to measure the frequency of an incoming signal. They are essential in various fields, including telecommunications, electronics, and laboratory research, for accurately determining the frequency of signals in hertz (Hz). These devices are valuable for troubleshooting and ensuring the proper operation of RF systems, oscillators, and signal generators.

FAQ

What should I consider when buying a used frequency counter?

Consider the frequency range, accuracy, and resolution of the device. Check for any visible damage and ensure it powers on and functions correctly. Review any available calibration records.

How can I ensure the frequency counter is shipped safely?

Use a reputable shipping service with experience in handling delicate electronic instruments. Ensure the frequency counter is well-packaged with protective materials to prevent damage during transit.

What maintenance is required for a frequency counter?

Regular maintenance includes keeping the device clean and dust-free, checking connections, and verifying calibration periodically. Follow the manufacturer’s guidelines for specific maintenance procedures.