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Frequency counters

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Dosy FC-50-P Frequency Counter

Frequency counters

Everything you need to know about frequency counters

What is a frequency counter?

A frequency counter is an electronic measuring instrument that measures the frequency of a signal. This is done by counting the number of oscillations or pulses per second in a periodic electronic signal. Frequency counters are widely used in electronics, radio and communications technology, and RF engineering.

How does a frequency counter work?

Using a frequency counter is simple:

  1. Turn on the device. Connect the signal to the input of the frequency meter.
  2. The frequency is displayed directly on the display.
  3. Frequency counters work best on stable and repetitive signals in low RF noise environments.

What is a frequency counter used for?


A frequency counter has several applications, including

  • Radio and Transmitting Equipment: Measuring and tuning of transmission frequencies for CB radio, amateur radio transmitters and commercial communications systems.
  • Electronics and Laboratories: Testing circuits and calibrating oscillators.
  • Industrial and scientific applications: Controlling machines and measuring equipment that depend on precise frequencies.

What are the benefits of a frequency counter?

  • High accuracy in measuring frequencies.
  • Easy to use, often directly readable on a digital display.
  • Wide frequency range, suitable for various applications.

Are there any disadvantages to a frequency counter?

Although frequency meters are very useful, they have some disadvantages:

  • The gate time must be fine tuned to get a correct measurement.
  • At low frequencies, measurements may take longer because the counter has to record multiple cycles.

What is the difference between a frequency counter and a spectrum analyzer?


A spectrum analyzer is more advanced and analyzes a broad frequency spectrum, while a frequency counter focuses on accurately measuring a specific frequency.

A spectrum analyzer has a much smaller IF bandwidth than a frequency counter, so the noise level must be scaled more closely to match the counter bandwidth.

Which frequency counter do I need?


When choosing a frequency meter you should pay attention to:

  • Frequency Range: Make sure the counter can measure the signal range you need.
  • Sensitivity: Important for weak signals.
  • Inputs: Connection options such as BNC or SO-239 are important depending on your equipment.

A frequency counter is an indispensable measuring instrument for radio amateurs, engineers and electronics enthusiasts. It provides a reliable and accurate way to measure and tune frequencies. By choosing the right frequency counter, you ensure that your measuring equipment works optimally and your signals are perfectly tuned.

The most popular frequency meters at Deltron

Order a frequency counter from Deltron

At Deltron you will find a wide range of high-quality frequency counters, both in digital and analog versions. Whether you opt for the classic precision of an analog frequency meter or the advanced functionality of a digital model, we have the right solution for your measurement needs.

In addition, we offer special frequency meters that are ideal for fast troubleshooting. These portable devices help you easily and quickly locate frequency signals, making them indispensable for technicians, radio amateurs and professionals who want to quickly gain insight into their signal environment.

In our online store you can shop clearly, if you still can't find it, you can always enter a search term such as frequency counter, frequency counter or frequency meter in the search bar that is always at the top of every page of our website. You will then see all products that match the search term. Thanks to our large stock we can usually ship your order on the same day, this of course also depends on the time you place your order with us. And if you need advice or want to know more about a specific product, you can always send us an e-mail, call or WhatsApp on our telephone number that can be found at the bottom of the website.

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