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Used Frequency Counters

  • Trusted Seller
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    Krohn-Hite 3320

    • Manufacturer: Krohn-Hite
    • Model: 3320

    0.01 Hz to 99.9 kHz frequency 24 dB per octave attenuation slope 0 dB or 20 dB pass band gain Eight pole Butterworth or RC response ±2% calibration accuracy < 0.1% distortion (typically) 0.5 mV RMS hum and noise ...

    New Smyrna Beach, FL
  • Trusted Seller
    BACHMANN ELECTRONIC Meter Gauge EN

    BACHMANN ELECTRONIC Meter Gauge EN 300-Q40 #30545

    • Manufacturer: Bachmann

    0-500 Meter Min-1 RPM Ing. G. Bachmann Feldkirch-A Expedited shipping services are available This piece is located at Ideal Machinery, Inc. on our showroom floor. Located at: 10230 N. Holly Rd, Holly MI 48442

    $55 USD
    Warehouse
  • Trusted Seller
    HP Agilent Keysight 5334B Universal

    HP Agilent Keysight 5334B Universal Frequency Counter Lab

    • Manufacturer: HP

    This HP Agilent Keysight 5334B Universal Frequency Counter is being sold on behalf of a client. It is surplus to requirements. It is in working order and in good cosmetic condition with minor marks from use. The ...

    Caerphilly, United Kingdom
  • Hameg HM8123 Universal Counter

    Hameg HM8123 Universal Counter

    • Manufacturer: Hameg

    Details The universal counter HM8123 features three high sensitivity inputs and allows the measurement of signals in the frequency range between DC and 3 GHz. The HM8123 is ideally suited for test installation...

    Dublin, Ireland
  • EIP 545A

    EIP 545A

    • Manufacturer: EIP

    Details The EIP 545A Microwave Frequency Counter is an exceptional Counter. Frequency in the range of 10Hz to 18.0GHz is read directly from a 12-digit LED display which is sectionalized into GHz, MHz, KHz and Hz

    Dublin, Ireland
  • EIP 545

    EIP 545

    • Manufacturer: Testwall

    Details Frequency Counter 10Hz to 18.0GHz

    Dublin, Ireland
  • Philips PM6669

    Philips PM6669

    • Manufacturer: Philips
    • Model: PM6669

    Details The Philips PM6669 Frequency Counter delivers broad measurement functions including frequency, time, ratio, and period analysis. With a wide input bandwidth, it is engineered to handle RF signals with exc...

    Dublin, Ireland
  • Fluke PM6680B

    Fluke PM6680B

    • Manufacturer: Fluke
    • Model: PM6680

    Details The Fluke PM6680B Frequency Counter is the advanced successor to the PM6680, designed with high-resolution measurement capability. It offers rapid trigger level acquisition as fast as 85 ms at 10 kHz, ens...

    Dublin, Ireland
  • EIP 578

    EIP 578

    • Manufacturer: EIP

    Details The EIP 578 is a 10 Hz to 26.5 GHz Multi-functional Microwave Frequency Counter. The 578 can tune and phase lock an external Signal Source over a wide range of frequencies.

    Dublin, Ireland
  • EIP 28B

    EIP 28B

    • Manufacturer: EIP

    Details The 28B measures CW, FM and AM frequencies from 10 Hz to 26.5 GHz. The 28B CW Microwave Frequency Counter offers EIP's unMatched Performance in a compact, affordable package.

    Dublin, Ireland
  • EIP 371

    EIP 371

    • Manufacturer: EIP

    Details The EIP 371 Source Locking Microwave Counter combines in one instrument, a premium automatic Microwave Counter plus a broadband lockbox. Frequency Measurement range is 20Hz to 18GHz-.

    Dublin, Ireland
  • Stanford Research SR625

    Stanford Research SR625

    • Manufacturer: Stanford Research

    Details The Stanford Research Systems SR625 is a 1 MHz - 2.0 GHz Frequency Counter

    Dublin, Ireland
  • EIP 351C

    EIP 351C

    • Manufacturer: EIP

    Details The EIP 351C Autohet Frequency Counter automatically measures CW frequencies from 20 Hz to 18 GHz in 3 bands. Input sensitivity is -7 dBm from 1 to 18 GHz.

    Dublin, Ireland
  • Racal 2461C

    Racal 2461C

    • Manufacturer: Racal

    Details The Racal Dana 2461C is a 600 uHz - 200.0 MHz Frequency Counter

    Dublin, Ireland
  • EIP 351D

    EIP 351D

    • Manufacturer: EIP

    Details The EIP 351D Autohet Frequency Counter automatically measures CW frequencies from 20 Hz to 18 GHz in 3 bands. Input sensitivity is -30 dBm from 1.1 to 12.4 GHz and -30 dBm to 18 GHz.

    Dublin, Ireland
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    Fluke 196BM Frequency Counter

    • Manufacturer: Fluke
    • Model: 196BM

    Good condition Fluke 196BM Frequency Counters. Located in USA and other countries. Click request price for more information.

    USA
4647484950

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.