Test, Lab, Medical equipment » Frequency Counters

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Used lab instruments

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    Ballantine 5500B

    • Manufacturer: Ballantine

    The BALLANTINE 5500B Counter/Timer is a high-performance instrument capable of measuring frequencies up to 100MHz with precision and accuracy. This versatile device is equipped with a variety of counting modes an...

    Cary, NC
  • Trusted Seller
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    Bk Precision 1804D

    • Manufacturer: BK Precision
    • Model: 1804D

    The BK Precision 1804D 1GHz Frequency Counter is a high-quality and versatile instrument used for accurately measuring the frequency of electronic signals. With a maximum frequency range of 1GHz, it is capable of...

    Cary, NC
  • Trusted Seller
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    Anritsu MF9630A

    • Manufacturer: Anritsu
    • Model: MF9630A

    The Anritsu MF9630A Optical Wavelength/Frequency Counter is an advanced and precise instrument designed for measuring the wavelength and frequency of optical signals. It features a high-resolution display for eas...

    Cary, NC
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    Tektronix CFC250

    • Manufacturer: Tektronix
    • Model: CFC250

    The CFC250 100 MHz Frequency Counter measures frequency of sine, square, and triangle waves from 5 Hz to 100 Mhz at input levels from 30 mV to 42 V peak. Students will enjoy the simplicity of usinf CFC250. Applic...

    Farmingdale, NJ
  • Philips Universal Frequency Counter PM

    Philips Universal Frequency Counter PM 6666 up to 1.1 GHz with GPIB

    • Manufacturer: Philips

    Frequency Counter Further information (website information, not necessarily applicable to this model; please also refer to the information in the images): The Philips PM 6666 is a universal frequency counter and ...

    $293 USD
    Minden, Germany
  • Fluke PM 6690

    Fluke PM 6690

    • Manufacturer: Fluke

    Details The Fluke PM‑6690 combines frequency counter, timer, and signal analyzer functionalities, designed for demanding R&D, calibration labs, and embedded systems. It achieves 100 ps single-shot resolution and ...

    Dublin, Ireland
  • Marconi IFR Aeroflex CPM 46

    Marconi IFR Aeroflex CPM 46

    • Manufacturer: Aeroflex

    Details The Marconi IFR Aeroflex CPM-46 Calibration Power Meter is designed for precision power testing in calibration laboratories, delivering exceptional measurement accuracy and consistency. It supports a wide...

    Dublin, Ireland
  • Fluke PM 6681

    Fluke PM 6681

    • Manufacturer: Fluke
    • Model: PM6681

    Details The Fluke PM 6681 is a precision counter designed for advanced time and frequency analysis. It delivers 50 ps single-shot resolution (1 ps averaged), supports frequency measurements up to 300 MHz (expanda...

    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
  • Fluke 199

    Fluke 199

    • Manufacturer: Fluke
    • Model: 199

    Details The Fluke 199 offers exceptional performance with a 200 MHz bandwidth and a real-time sampling rate of up to 2.5 GS/s. This portable instrument combines the functions of a digital oscilloscope, multimeter...

    Dublin, Ireland
  • Keysight (Agilent) 5356A

    Keysight (Agilent) 5356A

    • Manufacturer: Agilent - Keysight

    Details The Keysight (Agilent) 5356A Frequency Converter Head extends frequency measurement capabilities up to 18GHz with precision and stability. Designed for compatibility with frequency counters, it delivers a...

    Dublin, Ireland
  • Philips PM6685

    Philips PM6685

    • Manufacturer: Philips
    • Model: PM6685

    Details The Philips PM6685 is a high-end frequency counter engineered for RF and digital applications, offering GHz-level measurement capabilities, ultra-stable time base, high-resolution display, and fast acquis...

    Dublin, Ireland
  • EIP 575B

    EIP 575B

    • Manufacturer: EIP

    Details The EIP 575B Source Locking Counter is a Multi-function, microprocessor-based instrument capable of measuring Microwave frequencies to 20 GHz, phase-lock Signal Sources, and optionally measure Power. The ...

    Dublin, Ireland
  • EIP 578B

    EIP 578B

    • Manufacturer: EIP

    Details The EIP 578B Source Locking Counter is a Multi-function, microprocessor-based instrument capable of measuring Microwave frequencies to 26.5 GHz, phase-lock Signal Sources, and optionally measure Power. Th...

    Dublin, Ireland
  • Philips PM9693

    Philips PM9693

    • Manufacturer: Philips

    Details The Philips PM9693 is a precise power analyzer designed for industrial and laboratory use, capturing voltage, current, power, and efficiency with high accuracy. It supports both AC and DC systems, offerin...

    Dublin, Ireland
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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.