When you’re an engineer on the go, finding the right tools that combine portability and performance can be a challenge. Traditional oscilloscopes, while powerful, are often bulky and impractical to carry around, making it difficult to perform essential diagnostics or analyze signals in the field. This is where USB oscilloscopes come in, offering a compact yet highly functional solution that plugs right into your laptop or tablet.
In this guide, we’ll explore the best USB oscilloscopes available today, designed specifically for engineers who need reliable, portable equipment without compromising on accuracy or features. Whether you’re troubleshooting in the field or need a convenient solution for your mobile workstation, these USB oscilloscopes will ensure you’re always prepared.
Key Factors To Consider
- Vertical Resolution: Look for a USB oscilloscope with a high vertical resolution to ensure an accurate representation of signal amplitudes. A minimum resolution of 8 bits is common, but 12 bits or higher is recommended for better precision in signal measurement and analysis.
- Channels: Consider the number of channels available on the USB oscilloscope. Most models offer 2 channels, which are suitable for basic applications, but if you need to analyze multiple signals simultaneously, look for models with 4 channels or more for greater flexibility in your measurements.
- Display And Interference: Make sure to assess the display quality and the oscilloscope’s ability to minimise interference. A clear, high-resolution display is essential for accurately viewing waveforms, while features like isolation and shielding can help reduce noise and interference in the measurements, leading to more reliable results.
Best USB Oscilloscopes – An Overview
| Product Name | Bandwidth | Sample Rate | Buy Now |
|---|---|---|---|
| Hantek 1008C USB Oscilloscope | Not specified clearly, more focused on automotive diagnostics | 2.4MSa/s | Check On Amazon Check On Walmart |
| Hantek 6022BE USB Oscilloscope | 20MHz | 250MS/s | Check On Amazon Check On Walmart |
| OWON VDS6104 USB Oscilloscope | 100MHz | 1GS/s | Check On Amazon |
| Owon VDS1022I USB Oscilloscope | 25 MHz | Not specified, but generally sufficient for hobbyist use | Check On Amazon |
| Hantek DSO5102P USB Oscilloscope | 100 MHz | 1 GSa/s | Check On Amazon |
| Hantek 6074BC 4-CH USB Oscilloscope | 70MHz | 1GSa/s | Check On Amazon |
Best USB Oscilloscopes – Reviewed
1. Hantek 1008C USB Oscilloscope
First on the list is the 1008C USB Oscilloscope from Hantek. I noticed that it offers 100MHz bandwidth and 8 channels which sets it as an ideal tool for vehicle testing. It includes 20 types of automatic measurement methods that offer convenience and clarity for reading results. With a one-button screenshot feature, you can save your current waveform and choose the storage location effortlessly. This oscilloscope features three main functions: vehicle diagnosis, oscilloscope, and signal generator, which provide 78 different vehicle diagnostic capabilities.
This lets you access over 80 standard reference waveforms easily, allowing quick comparisons that make troubleshooting more effective. Additionally, the quick guide column provides immediate access to video tutorials for each diagnostic function, helping you understand better. At the end of the day, this oscilloscope is among the best USB oscilloscopes and an excellent choice for both professionals and hobbyists alike.
Specifications:
- Bandwidth: Not specified clearly, but more focused on automotive diagnostics.
- Sample Rate:4MSa/s
- Channels: 8 channels,
- Vertical Resolution: 12-bit
- Display And Interface: PC-based
Pros:
- Enables detailed analysis, such as identifying timing issues in CAN systems, proving critical for diagnostics.
- Offers a cost-effective solution that can replace more expensive equipment, potentially saving thousands of dollars.
- Ideal for mechanics dealing with various sensor and injector issues due to its high portability and versatility.
- Once familiarized, the setup process is straightforward, allowing for quick deployment across different work environments.
Cons:
- A steep software learning curve may frustrate new users.
- Short probe leads may restrict usability in certain setups, possibly necessitating additional accessories or adjustments.
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2. Hantek 6022BE USB Oscilloscope
The next product I tested was the 6022BE USB Oscilloscope from Hantek. I observed that it delivers high performance with a bandwidth of 20MHz and a real-time sampling rate of 48MSa/s features 2 channels and connects directly to your PC via USB 2.0. This eliminates the need for an extra power supply. Its user-friendly interface resembles a traditional desktop oscilloscope, which makes operating it easy.
Compared to the Hantek 1008C, the 6022BE offers a slightly lower bandwidth of 20MHz but makes up for it with a higher real-time sampling rate of 48MSa/s. While the 1008C focuses on automotive diagnostics with specialised features, the 6022BE serves a broader range of technical applications, making it a solid choice for both hobbyists and professionals looking for an efficient, compact oscilloscope.
Specifications:
- Bandwidth: 20MHz,
- Sample Rate: 250MS/s,
- Channels: 2 channels,
- Vertical Resolution: 8-bit,
- Display And Interface: PC-based with adjustable display via the PC.
Pros:
- Successfully meets data export needs, suitable for users who require external data analysis.
- Compact design allows for easy storage and handling, particularly beneficial in spaces with limited room.
- Provides more value by including two probes, compared to similar products offering only one.
- Affordable for its features, presenting good value for those with budget constraints.
Cons:
- Voltage input limitations are not advertised, leading to potential misuse or equipment damage.
- Software and drivers have not been updated since 2013-2014, possibly affecting long-term usability.
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3. OWON VDS6104 USB Oscilloscope
If you’re looking for a lightweight and portable solution, the USB oscilloscope from OWON, the VDS6104 USB would make a great choice due to its flexibility and ease of use. It features 4 channels and offers a bandwidth of 100 MHz, setting it as a suitable option for a variety of applications. You can connect the VDS6104 to your computer via USB, LAN, or an optional WiFi module which gives you the flexibility to use it in different work environments.
It also allows for straightforward control and data reading because of its support by LabVIEW and SCPI protocols. This oscilloscope is different from others because it focuses on being easy to connect and is compact. This makes it great for both professionals and hobbyists who want reliable measurements while being able to easily carry it around. This makes it a top choice among the best USB oscilloscopes on the market.
Specifications:
- Bandwidth: 100MHz,
- Sample Rate: 1GS/s,
- Channels: 4 channels,
- Vertical Resolution: 8-bit,
- Display And Interface: PC-based with USB Type-C connection
Pros:
- Ultra-thin and lightweight design enhances portability, useful in various environments, including fieldwork.
- High bandwidth (100MHz) and sample rate (1GS/s) ensure accurate measurements suitable for professional applications.
- Supports multiple operating systems and secondary development, offering versatility for advanced users and developers.
- Extensive trigger functions support complex signal analysis, useful across diverse testing scenarios.
Cons:
- Dependency on external power sources like a power bank could limit functionality in certain situations.
- The absence of user feedback makes it difficult to verify real-world performance and reliability.
4. Owon VDS1022I USB Oscilloscope
The next product I tested was from the same brand as above, the Owon. The VDS10221 comes with a bandwidth of 25 MHz features 2 channels, and is suitable for hobbyist use. This oscilloscope is designed to be compact and USB-powered, ensuring portability and convenience for users on the go. It connects to your PC for display and operation, and it likely includes essential features for effective measurements,
When compared to the VDS6104, the VDS1022I has a lower bandwidth of 25 MHz and only 2 channels, while the VDS6104 offers 4 channels and 100 MHz bandwidth. The VDS6104 also has more advanced features like optional Wi-Fi connectivity and better overall performance, making it more suitable for complex tasks. The VDS1022I, however, is a more budget-friendly option at $139 for those looking for basic functionality.
Specifications:
- Bandwidth: 25 MHz
- Sample Rate: Not specified, but generally sufficient for hobbyist use.
- Channels: 2
- Vertical Resolution: Not specified.
- Display And Interface: PC display with USB isolation
Pros:
- Highly portable, and offers convenience for users who need to transport their oscilloscope between different locations.
- Complete functionality with dual trace display and various trigger options suits both simple and complex tasks.
- Balances affordability and capability, ideal for lower-end users seeking a functional tool without high costs.
- Includes two probes and a full set of accessories, providing excellent value at the given price.
Cons:
- USB driver issues on Windows 10 may restrict usability for some users.
- The requirement for two simultaneous USB ports can be inconvenient, especially on devices with limited ports.
5. Hantek DSO5102P USB Oscilloscope
With multiple trigger modes, including edge, pulse width, and video triggers, the DSO5102P from Hantek is a USB Oscilloscope that feels like a product that was designed for ease of use. I say this because of its 32 automatic measurement functions and four math functions, including FFT, which give you precise measurements. You can store over 1,000 waveforms and upgrade the system via the USB port, which makes it easy to transfer data to a computer for further analysis.
It offers a robust 100 MHz bandwidth and a 1 GSa/s real-time sample rate with a large 7-inch colour display that has a resolution of 800×480. It presents various waveforms, including sine, square, sawtooth, and triangular shapes. Its portability, combined with a user-friendly design and powerful features, positions it among the best handheld oscilloscopes for hobbyists looking for a reliable tool.
Specifications:
- Bandwidth: 100 MHz
- Sample Rate: 1 GSa/s
- Channels: 2
- Vertical Resolution: Not specified but likely sufficient.
- Display And Interface: Large TFT LCD
Pros:
- Functions comparably to more expensive models, offering similar features at a fraction of the cost, ideal for budget-conscious users.
- Recent firmware updates have improved stability and functionality, ensuring reliable performance after updates.
- Comes well-packaged with comprehensive accessories, delivering a complete solution right out of the box.
- Suitable for entry-level users and those transitioning from basic to more advanced oscilloscope functions.
Cons:
- The function waveform generator may not work as advertised, leading to frustration and potential returns.
- Poor customer support and a lack of clear online resources create challenges while troubleshooting.
6. Hantek 6074BC 4-CH USB Oscilloscope
Hantek seems to be dominating this market because the last product I played around with was from them as well. The 6074BC 4-CH USB Oscilloscope in this regard offers a practical solution for users who need flexibility without unnecessary features. With a 70 MHz bandwidth and 64K memory depth, it’s well-equipped for most testing tasks, especially in power and control applications. One of its standout features is the 4-channel capability which allows you to monitor multiple signals simultaneously, such as SI, SO, CS, and SCLK on an SPI interface. This is particularly useful for complex projects that require more detailed analysis than what a 2-channel oscilloscope can provide.
Compared to the Hantek DSO5102P, the 6074BC has a slightly lower bandwidth but offers 4 channels instead of 2, making it more suitable for projects requiring simultaneous signal monitoring. It also has a smaller memory depth compared to the DSO5102P. Overall, the 6074BC is designed for users who need a compact and cost-effective solution while still maintaining robust testing capabilities.
Specifications:
- Bandwidth: 70MHz,
- Sample Rate: 1GSa/s,
- Channels: 4 analogue channels
- Vertical Resolution: 8-bit resolution
- Display And Interface: PC-based with USB
Pros:
- Lightweight and compact and serves as an excellent replacement for older, bulkier equipment.
- User-friendly interface and software, suitable for both basic and mid-level signal analysis tasks.
- An affordable option for those who need a simple scope for occasional use, offering good value for money.
- Reliable in signal debugging, proving to be a trusted tool for embedded design troubleshooting.
Cons:
- Initial unit failure and software issues, such as the flashing red light, indicate potential quality control problems.
- Lack of immediate software interaction, even after troubleshooting, suggests possible driver or hardware incompatibilities.
Finding The Best USB Oscilloscope For Your Testing Requirements
When searching for the best USB oscilloscopes, it’s important to consider several factors to ensure you choose a model that meets your needs. Whether you’re a hobbyist, a professional, or someone looking to equip a home lab, understanding the key specifications and features will help you make an informed decision. Here’s what to look for:
1. Bandwidth
While bandwidth specifications may not always be clearly defined in USB oscilloscopes, many models are optimised for automotive diagnostics. For automotive work, a focus on lower frequencies is often sufficient, but if you’re interested in other applications, consider your requirements for bandwidth carefully.
2. Sample Rate
The sample rate indicates how many samples the oscilloscope can capture per second. The typical sample rate for many USB oscilloscopes is around 2.4 MSa/s (mega samples per second), which might be low for analysing high-frequency signals. For general use, especially in automotive diagnostics, this rate can be adequate, but for more precise applications, look for models with higher sample rates.
3. Channels
Having multiple channels is advantageous for simultaneous signal analysis. Many best USB oscilloscopes offer 8 channels, allowing you to monitor various signals at once. This feature is particularly useful for complex diagnostic tasks, enabling more comprehensive analysis of multiple parameters.
4. Vertical Resolution
Vertical resolution is crucial for making precise measurements. A 12-bit vertical resolution is common in USB oscilloscopes, providing good accuracy for most applications. Higher resolution means better detail in waveform shapes, which is essential for troubleshooting.
5. Display And Interface
USB oscilloscopes are typically PC-based, which means they rely on your computer’s display and processing capabilities. Ensure your PC has a quality display to take full advantage of the oscilloscope’s features. Some models may also offer user-friendly interfaces that simplify navigation and data analysis.
6. Additional Features
Look for additional features that enhance the functionality of your USB oscilloscope. Some models come with a DAQ card (data acquisition card) and a programmable generator, which can be particularly relevant for advanced automotive diagnostics. These features can significantly expand the oscilloscope’s capabilities.
7. Portability And Durability
For mobile automotive use, choose a compact and durable model. The best USB oscilloscopes are designed to withstand the rigours of frequent transport, making them suitable for professionals who need reliable equipment on the go.
8. Software And Compatibility
Ensure the USB oscilloscope you choose is compatible with your PC and has suitable software for your needs. Many oscilloscopes designed for automotive diagnostics come with specialized software that enhances functionality, making them ideal for professionals.
FAQs:
The best USB oscilloscopes for automotive diagnostics typically focus on lower frequencies and may include features tailored to car electronics, making them ideal for this application.
When selecting the best oscilloscope for hobbyists, consider factors like sample rate, number of channels, and ease of use, ensuring it meets your specific project needs.
Most USB oscilloscopes are designed to be PC-compatible, but ensure that your computer meets the system requirements specified by the manufacturer for optimal performance.
A USB oscilloscope kit often includes essential accessories such as probes and software, providing everything you need to get started with testing and measurements.
Yes, the best oscilloscope for a home lab can be a USB oscilloscope due to its portability and ease of integration with PC-based systems.
If you require portability and flexibility for fieldwork or mobile applications, the best handheld oscilloscope would be a suitable choice, allowing for on-site measurements.
A digital oscilloscope captures and processes signals using digital technology, providing enhanced features like storage and advanced analysis compared to traditional best analogue oscilloscopes.
Yes, many USB oscilloscopes are designed for professional applications, offering features that meet industry standards, making them suitable for serious electronic work.
A higher sample rate in USB oscilloscopes allows for more detailed waveform capture, which is essential for analyzing fast-changing signals accurately.
You can explore various best oscilloscope brands and models on Amazon, where user reviews and ratings can help guide your selection for the right USB oscilloscope.
Conclusion
After reviewing a selection of the best USB oscilloscopes, it’s clear that these tools provide excellent performance and versatility for a variety of applications. Whether you need the best analogue oscilloscope or a digital option for more complex tasks, there are plenty of choices to fit your needs. With their ability to connect easily to a computer, these oscilloscopes are ideal for both learning and professional use. By selecting one of these top-rated models, you can ensure that you have a reliable and effective tool to help you analyze signals and improve your electronic projects.
