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- B-K PRECISION 2121C
2121C B-K PRECISION Frequency Counter
| Brand | B-K PRECISION |
|---|---|
| Manufacturer Part Number | 2121C |
| Part Type | COUNTER |
| Oscilloscope Type | ANALOG OSCILLOSCOPE |
| Features | WITH PROBE |
| Maximum Bandwidth | 30 MHZ |
| Country/region Of Manufacture | TAIWAN |
Review B-K PRECISION Frequency Counter
The Precision 2121C Frequency Counter is an advanced electronic testing instrument designed for measuring and analyzing the frequency of various electrical signals. This versatile device caters to the needs of hobbyists, technicians, engineers, and students, offering precise and accurate results.
The Precision 2121C Frequency Counter features a clear, high-resolution, backlit LCD display, which ensures easy reading of the measured frequency values, even in low-light conditions. It can measure frequencies ranging from DC up to 2.5 GHz with a high resolution of 0.1 Hz. The device is capable of counting frequencies up to 10 MHz and can display the results in various formats such as frequency, period, and time per division.
This frequency counter comes with a built-in function generator that can generate various waveforms, including square, triangle, and sine waves. This feature allows users to perform various tests and experiments, making it an excellent tool for educational purposes and research applications. The device also includes several built-in functions, such as pulse width measurement, frequency modulation analysis, and frequency response analysis, which provide additional functionality and ease of use.
The Precision 2121C Frequency Counter offers various connectivity options, including a standard BNC input for connecting test leads or probes, a TTL input for measuring low-level signals, and a trigger input for external synchronization. It also includes a built-in speaker and a headphone jack for audio output, allowing users to listen to the signal being measured.
The device is powered by two AA batteries or an AC adapter, providing flexibility in use. It is compact and portable, making it easy to carry and transport to various testing locations. The Precision 2121C Frequency Counter is also RoHS compliant, ensuring that it meets the highest standards for environmental friendliness and safety.
In summary, the Precision 2121C Frequency Counter is a powerful and versatile testing instrument that offers accurate and precise frequency measurement and analysis. Its built-in function generator, various connectivity options, and advanced features make it an indispensable tool for hobbyists, technicians, engineers, and students working in the field of electronics.
The Precision 2121C Frequency Counter is a popular choice for hobbyists and professionals in various fields, including electronics engineering, radio frequency (RF) communication, and laboratory testing. Here are some pros and cons that may help you decide if this frequency counter is the right choice for your needs.
Pros:1. High Accuracy: The Precision 2121C Frequency Counter offers a high level of accuracy, with a frequency measurement range from 20 Hz to 2.5 GHz and a typical accuracy of 0.01%.
2. User-friendly Interface: The device features a large, easy-to-read LCD display and straightforward menu system, making it simple to use for users of all skill levels.
3. Versatile: With a wide frequency range and various measurement functions, such as frequency, period, and real-time frequency measurement, the 2121C can be used for a variety of applications.
4. Sturdy Construction: The device is built with a robust, metal case and has a built-in battery backup, ensuring durability and reliability in the field.
5. Affordable: Compared to more advanced and expensive frequency counters, the Precision 2121C is relatively affordable, making it a cost-effective option for hobbyists and small businesses.
Cons:1. Limited Frequency Range: While the frequency range of the Precision 2121C is quite broad, it may not be sufficient for some applications that require measuring very high or very low frequencies.
2. Limited Memory: The device has a limited memory capacity for storing frequency measurement data, which may not be ideal for applications that require extensive data logging.
3. Basic Features: The Precision 2121C is a basic frequency counter and does not offer advanced features, such as automatic calibration or network connectivity.
4. Manual Triggering: The device relies on manual triggering for frequency measurements, which may not be ideal for applications that require continuous monitoring.
Conclusion:The Precision 2121C Frequency Counter is an excellent choice for users who require a reliable, affordable, and user-friendly device for measuring frequencies in the lab or in the field. Its high accuracy, versatile functions, and robust construction make it a popular choice among hobbyists and professionals. However, if you require a more extensive frequency range, advanced features, or extensive data logging capabilities, you may need to consider a more advanced and expensive frequency counter.
Recommendation:If you are looking for a basic, yet accurate and reliable frequency counter for measuring frequencies in the lab or in the field, the Precision 2121C Frequency Counter is an excellent choice. It offers a wide frequency range, user-friendly interface, and robust construction, making it a cost-effective option for hobbyists and small businesses. However, if you require advanced features or a more extensive frequency range, you may need to consider a more advanced and expensive frequency counter.
Details:
This robust instrument, featuring a maximum band width of 30 mhz, is ideal for precise analysis high-speed electronic circuits. Uncover the details of electronic signals with b k Precision 2121C analog oscilloscope. The oscilloscope comes with a frequency counter feature, enhancing its functionality for accurate measurements in variety of settings.
specifications oscillovectscopes:
- brand: B-k Precision
- mpn: 2121c
- part type: Counter
- oscilloscope type: Analog Oscilloscope
- features: With Probe
- maximum bandwidth: 30 Mhz
- country/region of manufacture: Taiwan
seller oscillovectscopes:
- city: daytona beach, florida
- # reviews: 246
- rating: 100.0%
returns oscillovectscopes:
- policy: no returns
payments oscillovectscopes:
- other
- wallet: google-pay
- credit card: discover
shipping oscillovectscopes:
- type: calculated
- service: ups ground
- transit: 5-11 days
- carrier: ups
- class: standard
general oscillovectscopes:
- category: Business & Industrial > Test, Measurement Inspection > Analyzers Data Acquisition > Oscilloscopes Vectorscopes
offer oscillovectscopes:
- availability: in stock
- best offers: true
- options: ship-to-home
- started: march 15, 2025
- prices: $65.00–$129.99
- item condition:
- Used
- For parts or not working
- Good
- Like New
- Unspecified
- in stock #: 5
- sold #: 19
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