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Used Frequency Counters

  • Trusted Seller
    Hewlett Packard P532A

    Hewlett Packard P532A

    • Manufacturer: HP

    12.4 GHz to 18 GHz WR62 Waveguide Frequency Meter HP P532A 12.4 GHz to 18 GHz WR62 Waveguide Frequency Meter and other Frequency Meters for sale at Test Equipment Center.

    Cary, NC
  • Trusted Seller
    Racal Dana 9035

    Racal Dana 9035

    • Manufacturer: Racal

    512 MHz Microprocessing Timer / Counter Racal Dana 9035 512 MHz Microprocessing Timer / Counter and other Frequency Counters - Above 200 MHz to 3 GHz for sale at Test Equipment Center.

    Cary, NC
  • Trusted Seller
    Tektronix DC509

    Tektronix DC509

    • Manufacturer: Tektronix
    • Model: DC509

    135 MHz Universal Counter / Timer Plug-In Tektronix DC509 135 MHz Universal Counter / Timer Plug-In and other Frequency Counters - DC to 200 MHz for sale at Test Equipment Center.

    Cary, NC
  • Trusted Seller
    IFR CPM20

    IFR CPM20

    • Manufacturer: IFR

    20 GHz Counter / Power Meter IFR CPM20 20 GHz Counter / Power Meter and other Frequency Counters - Above 3 GHz to 20 GHz for sale at Test Equipment Center.

    Cary, NC
  • Trusted Seller
    HP 5305B

    HP 5305B

    • Manufacturer: HP

    1.3 GHz Counter Module HP 5305B 1.3 GHz Counter Module and other Frequency Counters - Above 200 MHz to 3 GHz for sale at Test Equipment Center.

    Cary, NC
  • Trusted Seller
    Hewlett Packard 5307A

    Hewlett Packard 5307A

    • Manufacturer: HP

    2 MHz High Resolution Counter Module Hewlett Packard 5307A 2 MHz High Resolution Counter Module and other Frequency Counters - DC to 200 MHz for sale at Test Equipment Center.

    Cary, NC
  • Trusted Seller
    RACAL DANA 9921

    RACAL DANA 9921

    • Manufacturer: Racal

    The RACAL DANA 9921 Counter is an instrument that is both reliable and versatile, capable of accurately measuring frequency and time intervals. It has a broad frequency range, from 0.1 Hz to 520 MHz, enabling the...

    Cary, NC
  • Trusted Seller
    OK ELECTRONICS 512

    OK ELECTRONICS 512

    • Manufacturer: OK ELECTRONICS

    The OK ELECTRONICS 512 Counter is a reliable and efficient instrument designed for frequency and event counting tasks with a frequency range of up to 200MHz. This counter offers accurate measurements and is suita...

    Cary, NC
  • Trusted Seller
    Phase Matrix 350C

    Phase Matrix 350C

    • Manufacturer: Matrix

    12.4 GHz Autohetrodyne Microwave Frequency Counter The 350C Autohetrodyne Frequency Counter automatically measures CW frequencies from 20 Hz to 12.4 GHz in 3 bands. It features a sectionalized 11 digit Nixie tube...

    Cary, NC
  • Trusted Seller
    EIP 548B

    EIP 548B

    • Manufacturer: EIP

    EIP 548B - 10 Hz to 26.5 GHz Microwave Frequency Counter. Includes option 08 (GPIB) and option 06 (frequency extension capability). Contact sales for available timebase upgrades.

    Cary, NC
  • Trusted Seller
    Racal Instruments 2251A

    Racal Instruments 2251A

    • Manufacturer: Racal

    The Racal Instruments 2251A 200 MHz Universal Counter/Timer is a highly capable instrument designed for precise frequency and time measurements in a range of scientific and industrial applications. With a maximum...

    Cary, NC
  • Trusted Seller
    Xl Microwave 3601

    Xl Microwave 3601

    • Manufacturer: XL Microwave
    • Model: 3601

    The XL Microwave 3601 Source Locking Frequency Counter is an advanced instrument designed for precise and accurate frequency measurements across an extensive frequency range from 10Hz to 60GHz. This frequency cou...

    Cary, NC
  • Trusted Seller
    EIP 451

    EIP 451

    • Manufacturer: EIP

    18 GHz Microwave Pulse Counter The 451 Microwave Pulse Counter automatically and directly measures the frequency of pulse modulated microwave signals between 300 MHz and 18 GHz and pulse widths of 100 ns, with no...

    Cary, NC
  • Trusted Seller
    Philips PM 6669

    Philips PM 6669

    • Manufacturer: Philips
    • Model: PM6669

    The Phillips PM 6669 Multifunction High-Resolution Frequency Counter is a versatile instrument designed for precise frequency measurements across various applications. With its multifunctional capabilities, it of...

    Cary, NC
  • Trusted Seller
    EADS 2251

    EADS 2251

    • Manufacturer: EADS

    200 MHz VXI Universal Counter / Timer Module EADS 2251 200 MHz VXI Universal Counter / Timer Module and other Frequency Counters - DC to 200 MHz for sale at Test Equipment Center.

    Cary, NC
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    Marconi 2440 Frequency Counter

    • Manufacturer: Marconi
    • Model: 2440

    Good condition Marconi 2440 Frequency Counters. Located in USA and other countries. Click request price for more information.

    USA
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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.