Best Frequency Counters of 2026
* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.
Frequency counters are electronic devices that measure the frequency of an input signal. They are commonly used in the field of electronics and telecommunications to measure the frequency of signals such as radio waves, audio tones, and digital pulses. Frequency counters typically operate by counting the number of cycles of the input signal over a specified time period, and then calculating the frequency based on this count. They are available in a range of sizes and configurations, from handheld units for field use to larger benchtop models for laboratory applications. Frequency counters are an essential tool for anyone working in the field of electronics or telecommunications.
At a Glance: Our Top Picks
Top 10 Frequency Counters
Surecom SF401 Plus Frequency Counter
The Surecom Frequency Counter is a handy tool for measuring the frequency of continuous carrier signals from walkie-talkies. With a signal strength indicator, you can easily assess the quality of your communication. The device offers multiple frequency ranges, allowing you to measure most two-way radios effectively. Its user-friendly four-button control makes operation simple, and its compact size means you can take it with you anywhere. The advanced TCXO technology ensures accurate readings, making this frequency counter a reliable choice for users needing precision in various environments.
VQP TFC2700L High Precision Frequency Counter
The VQP Frequency Counter TFC2700L is a versatile tool that measures frequencies from as low as 10Hz up to 2.7GHz, making it suitable for both low and high-frequency signals. This means you can get accurate readings whether you're working with simple or complex signals. It offers multiple functions like frequency and period measurements, cumulative counts, and even a self-check feature, helping you test quickly and reliably. The clear 8-digit LED display ensures you can easily read your results without any confusion. Plus, you can select different measurement times to fit your specific testing needs, giving you flexibility in various applications.
Fumei Portable UHF/VHF Frequency Counter
The Fumei Frequency Counter is a handy tool for anyone working with radio signals. It covers a broad range of frequencies from VHF 136-174MHz to UHF 400-470MHz, letting you measure many common radio bands. With its built-in DCS and CTCSS decoding, you can easily identify specific codes used in communication systems, helping you troubleshoot or monitor signals effectively. The device is simple to operate with just one button; you hold it to turn the unit on or off and press it to cycle through tests, making it user-friendly even if you're new to frequency counters. Plus, it comes with a 9V battery and antenna, so you can measure frequencies within about one meter right out of the box.
Consfly Dual Channel Frequency Counter 10Hz-2.7GHz
The Consfly Frequency Counter offers precise measurement with its stable crystal oscillator, ensuring you get accurate frequency readings every time. It supports four key functions—frequency, period, accumulation measurements, and self-tests—so you can handle various testing needs with ease. With two channels covering a wide range from 10Hz to 2.7GHz, you can measure both low and high-frequency signals effectively. The device also features easy-to-use buttons for quick resets, gate time adjustments, and data holding, making your measurement tasks more efficient and user-friendly.
Apple Barrel Delta DFC100 Frequency Counter
The Apple Barrel Frequency Counter is a handy device designed to measure signal frequencies accurately. If you need to check the frequency of various signals, this tool makes it simple and reliable. It comes with an AC adapter, so you can power it easily without worrying about batteries. The clear 6-digit display helps you read measurements quickly and precisely. Whether you're working on electronics projects or troubleshooting devices, the Apple Barrel Frequency Counter offers convenience and accuracy to make your tasks easier.
JIAWANSHUN Bidirectional LED Digital Counter with Proximity Switch
The JIAWANSHUN LED Digital Counter offers precise two-way counting, allowing you to track numbers both forwards and backwards with high accuracy thanks to its magnetic proximity sensor. Its bright 6-digit LED display makes reading numbers easy, even in busy industrial settings. Built tough with shock and impact resistance plus a durable copper sensor, this counter is designed to last through demanding work environments. Installation is quick and hassle-free, with included brackets and magnets that let you set it up in just 30 seconds. Plus, you won’t lose your count if the power goes out, as it automatically saves and restores data for uninterrupted use.
Yuecoom OCXO 10MHz Frequency Standard Reference Module
The Yuecoom OCXO Frequency Module is a 10MHz frequency standard reference module designed for instrument benchmarks. It features stable output and good stability, thanks to its crystal oscillator constant temperature module. With an SMA female interface, this module provides ultra-low phase noise, reliable connection, and stable performance. The high-performance PCB components ensure high calibration accuracy, good frequency stability, and low loss. This module is suitable for various devices such as audio systems, decoders, shortwave radios, frequency meters, and signal sources. By replacing the old or damaged frequency standard module with this crystal oscillator frequency reference board, you can ensure the stable operation of your device.
Surecom SF401 Plus Portable Frequency Counter
The Surecom SF401 Plus Portable Frequency Counter is a compact device designed for measuring the continuous carrier signal of two-way radios. With a signal strength indicator and easy-to-choose ranges, this frequency meter allows for accurate frequency measurement of most two-way radios. Its small size and four-button control make it easy to use and portable. The device also features a TCXO that provides accurate measurements even in extreme temperatures.
High Precision Frequency Meter Jieotwice TFC2700L
The Jieotwice Frequency Meter is a lightweight and innovative device designed for precise frequency measurement. It covers a wide frequency range from 10Hz to 2.7GHz, making it suitable for various applications. With a high input sensitivity of 20mVrms, you can rely on accurate readings even in low-signal environments. The device features a cycle cumulative measurement function, which allows you to track frequency changes over time effortlessly. Additionally, the eight bright LED display windows provide clear visibility of readings, ensuring you can easily monitor multiple values at once.
DIGITEN 6-Digit Digital LED Counter with Sensor
The DIGITEN LED Counter is a versatile device designed to help you keep track of various counts, such as outputs, flows, and cycles. With its 6-digit display, you can easily monitor large numbers without losing accuracy. This counter uses a photoelectric switch sensor, which allows for automatic and precise counting without manual input, saving you time and effort. Its wide application range makes it perfect for conveyor belt systems or other settings where you need reliable and continuous counting. This electronic totalizer provides a convenient way to manage your operations efficiently.
Frequently Asked Questions (FAQs)
1. What are frequency counters used for?
Frequency counters are electronic instruments used to measure the frequency of a periodic electronic signal. They are commonly used to determine the number of cycles or pulses per second in a signal.
2. How do you find the frequency counter?
To find the frequency using a frequency counter, you can use the formula: frequency (f) = events/time. In other words, the frequency is calculated by dividing the counter value by the time period, typically 1 second.
3. What are the disadvantages of frequency counters?
There are a few disadvantages of frequency counters. One drawback is that they do not provide clear waveforms, making it difficult to visualize the signal. Additionally, there may be a margin of error in the readings displayed by the meter. Using a frequency counter may also require some operator skill to ensure accurate measurements.
During our frequency counter research, we found 24 frequency counter products and shortlisted 10 quality products. We collected and analyzed 5,749 customer reviews through our big data system to write the frequency counters list. We found that most customers choose frequency counters with an average price of $57.80.
The frequency counters are available for purchase. We have researched hundreds of brands and picked the top brands of frequency counters, including Surecom, VQP, Fumei, Consfly, Apple Barrel. The seller of top 1 product has received honest feedback from 565 consumers with an average rating of 4.9.
Brian Howie is a content writer and senior industrial designer. After graduation from Westminster College, he has been engaged in product design and manufacturing for 18 years. Brian Howie has always found great pleasure in designing industrial products and sharing his ideas and experience online.