Test, Lab, Medical equipment » Frequency Counters

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Used lab testing

  • PTS 3200

    PTS 3200

    • Manufacturer: alltest instruments

    Frequency Synthesizer. 1 MHz to 3200 MHz +3 to +13 dBm output 1 Hz resolution with DDS phase-continuous switching very low phase noise fast switching, 3-20 µ s fully programmable, BCD or GPIB modular flexibility...

    $2,620 USD
    Farmingdale, NJ
  • PTS 620/R6N1x-13/x54(k)

    PTS 620/R6N1x-13/x54(k)

    • Manufacturer: alltest instruments

    Frequency Synthesizer, 1 to 620 MHz As-is: Unit Sold AS-IS | Cal: Calibration Available

    $1,150 USD
    Farmingdale, NJ
  • Fluke 7260A

    Fluke 7260A

    • Manufacturer: Fluke
    • Model: 7260A

    The 7260A will measure frequencies to 125 MHz, or (optionally) to 520 MHz or 1300 MHz, with a 50Ω channel (Channel C). The 7260A has a 10 MHz clock, with 100 ns resolution. This counter will make time-interval or...

    Farmingdale, NJ
  • Phase Matrix 346A

    Phase Matrix 346A

    • Manufacturer: Matrix

    Frequency Range Channel 1 (Normal mode) 10 Hz–125 MHz (Low pass filter enabled) 10 Hz–50 kHz Channel 2 50 MHz–46 GHz Sensitivity Channel 1 10–30 Hz 40 mV rms 30 Hz–125 MHz 25 mV rms Channel 2 50–300 MHz −20 dBm 0...

    $3,575 USD
    Farmingdale, NJ
  • Fluke PM6662

    Fluke PM6662

    • Manufacturer: Fluke
    • Model: PM6662

    Cal: Calibration Available | As-is: Unit is sold AS-IS | Pm9608b: 1.3 GHz Input | Pm9607: High Stability MTCXO Timebase Oscillator | Pm9605: Battery Pack

    $950 USD
    Farmingdale, NJ
  • Agilent/Keysight 5325B

    Agilent/Keysight 5325B

    • Manufacturer: Agilent - Keysight
    • Model: 5325B

    Cal: Calibration Available | As-is: Unit is sold AS-IS

    Farmingdale, NJ
  • Stanford Research FS725

    Stanford Research FS725

    • Manufacturer: Stanford Research
    • Model: FS725

    Benchtop Rubidium Frequency Standard O725rms: #NAME? | 2: Distribution amplifier - 12 additional outputs | O725rmd: Double rack mount kit for FS725 | Cal: Calibration Available | 1: Distribution amplifier - 6 add...

    $4,950 USD
    Farmingdale, NJ
  • Stanford Research SR625-SR620

    Stanford Research SR625-SR620

    • Manufacturer: Stanford Research

    As-is: Unit Sold AS-IS | Cal: Calibration Available

    Farmingdale, NJ
  • Racal Instruments 1995

    Racal Instruments 1995

    • Manufacturer: Racal

    The Racal 1995 Frequency Counter features frequency and period resolution of 9 digits in one second, whatever the frequency. This incredible resolution enables you to evaluate precision frequency standards, or to...

    $730 USD
    Farmingdale, NJ
  • Tektronix FCA3103

    Tektronix FCA3103

    • Manufacturer: Tektronix
    • Model: FCA3103

    The Tektronix FCA3103 Timer/Counter/Analyzer Series pack many different functions into one feature-rich instrument. With industry-leading frequency and time resolution, the FCA Series comes standard with deep int...

    $5,950 USD
    Farmingdale, NJ
  • Fluke 7261A

    Fluke 7261A

    • Manufacturer: Fluke
    • Model: 7261A

    The 7261A will measure frequencies to 125 MHz, or (optionally) to 520 MHz or 1300 MHz, with a 50Ω channel (Channel C). The instruments are essentially alike except the 7261A has a 100 MHz clock, with a correspond...

    Farmingdale, NJ
  • Solartron/Schlumberger 1250

    Solartron/Schlumberger 1250

    • Manufacturer: Solartron
    • Model: 1250

    Frequency Response Analyzer Cal: Calibration Available | As-is: Unit Sold AS-IS

    $9,950 USD
    Farmingdale, NJ
  • EIP 588

    EIP 588

    • Manufacturer: EIP

    Cal: Calibration Available | 50: Soft Pack Carrying Case | 101: Chassis Slides with Handles (includes rackmount kit) | 5801: 50 to 400 Hz Line Operation | 5803: Rear Input | 102: #NAME? | 5802: Band 1 - 300 MHz ...

    Farmingdale, NJ
  • Stanford Research SR620

    Stanford Research SR620

    • Manufacturer: Stanford Research
    • Model: SR620

    Time interval/frequency counter Cal: Calibration Available | As-is: Unit Sold AS-IS | 1: High-stability Time Base, 5 x 10E-10/day aging rate

    $2,450 USD
    Farmingdale, NJ
  • Tektronix CDC250

    Tektronix CDC250

    • Manufacturer: Tektronix
    • Model: CDC250

    The CDC250 175 MHz Universal Counter measures frequency of sine,square and triangle waves from 1 Hz to 175 MHz at input levels from 20 mV to 42 V peak. The CDC250 also provides period measurements, frequency rati...

    Farmingdale, NJ
7891011

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.