Test, Lab, Medical equipment » Frequency Counters

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Used protek

  • Trusted Seller
    Protek B818

    Protek B818

    • Manufacturer: Protek

    1GHz Multifunction Counter Max. freq.: 1.0GHz | Freq. resolution [digits]: 8 | Measurements: Frequency, Period, Count totalization

    New Smyrna Beach, FL
  • Trusted Seller
    Protek C3100

    Protek C3100

    • Manufacturer: Protek

    Highly accurate frequency measurements to 2.4GHz Measures Frequency, Period, Duty Cycle, RPM, Frequency ratio, Difference frequency, Time interval and Totalize Nine measurement functions Plots trend graph on LCD ...

    New Smyrna Beach, FL
  • Trusted Seller
    Protek FC250

    Protek FC250

    • Manufacturer: Protek

    Hand-held and battery operated Measures frequencies to 2.5GHz in 3 measurement ranges Large 8 digit LCD display High sensitivity on all ranges MIN/MAX/AVG functions Relative frequency measurements Period measurem...

    New Smyrna Beach, FL
  • Trusted Seller
    Protek B821

    Protek B821

    • Manufacturer: Protek

    Sweep Function Generator and Frequency Counter Sine, Square, Triangle, Ramp, Pulse, Skewed Sine and TTL Square Waveforms 0.2Hz to 20MHz Frequency Output (Sine wave) Built-in 8 digit 3.0GHz Frequency Counter Inter...

    New Smyrna Beach, FL
  • Trusted Seller
    Protek B2000

    Protek B2000

    • Manufacturer: Protek

    0.1Hz to 2GHz Frequency Range Measures Frequency, Period, Time interval, Ratio and Totalize 0.5 PPM temperature stability Channel A and Channel B have variable trigger level controls Large, bright 8 digit LED fre...

    New Smyrna Beach, FL
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    Protek B-818

    • Manufacturer: Protek

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

    Farmingdale, NJ
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    Protek B1000

    • Manufacturer: Protek

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

    Farmingdale, NJ
  • Trusted Seller
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    Protek B-808

    • Manufacturer: Protek

    Frequency Range 10Hz to 100Mhz No. of inputs 1 Max. Sensitivity 25mV Input Attenuator 0dB and 20dB Low Pass Filter 10Hz to 100KHz Trigger Level Adjust 0 to ±350MV Period Meas. YES Totalize YES Frequency Counter

    New Smyrna Beach, FL
  • Trusted Seller
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    Protek B-1000

    • Manufacturer: Protek

    Frequency Range 0.1 Hz to 1Ghz No. of inputs 3 Max. Sensitivity 25mV Input Attenuator 0dB and 20dB Low Pass Filter 10Hz to 100KHz Trigger Level Adjust 0 to ±350MV Period Meas. YES Totalize YES Time interval YES R...

    New Smyrna Beach, FL
  • Protek C3100

    Protek C3100

    • Manufacturer: Protek

    Protek C3100 Details Protek C3100 See Instek product replacement. Programmable 2.4GHz Universal, Programmable Frequency Counter Highly accurate frequency measurements to 2.4GHz Measures Frequency, Period, Duty C...

    Lake Mary, FL
  • Protek C3100 with GPIB

    Protek C3100 with GPIB

    • Manufacturer: Protek

    Protek C3100 with GPIB Details Protek C3100 with GPIB See Instek product replacement. Programmable 2.4GHz Universal, Programmable Frequency Counter with GPIB installed Highly accurate frequency measurements to 2...

    Lake Mary, FL

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.