10 bestDigital Oscilloscopesof July 2025
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1
Siglent Technologies SDS1104X-E 100Mhz Digital Oscilloscope 4 Channels Standard Decoder, Grey
Siglent
10.0
2
FNIRSI 1014D Oscilloscope - 2 in 1 Digital Oscilloscope DDS Signal Generator 2 Channels 100Mhz Bandwidth 1GSa/s Sampling Rate Built-in 1GB Storage Space
FNIRSI
10.0
25% off
3
FNIRSI 2C23T 3 in 1 Handheld Oscilloscope Multimeter DDS Generator, 2 Channels, 10MHz Bandwidth, 50MSa/s Sampling Rate, 10000 Counts, Voltage, Current, Capacitor, Resistor, Diode Test
FNIRSI
10.0
4
FNIRSI 1013D Oscilloscope - Handheld Tablet Oscilloscope, Portable Digital Storage Oscilloscope 2 Channels 100Mhz Bandwidth 1GSa/s Sampling Rate 7" TFT LCD Touch Screen
FNIRSI
9.9
5
Siglent Technologies SDS1202X-E 200 mhz Digital Oscilloscope 2 Channels, Grey
Siglent
9.9
Other
Hantek DSO2D15 2 Channels 150MHz 1GSa/s 8M Memory Oscilloscope with 1CH Waveform Generator
Oscilloscope Digital, HANMATEK Portable Oscilloscope Kit with BNC-Clip Cable Probe, 7’’ TFT 2 Channels 110 MHz 1GSa/s, Auto-range, U Disk Storage, Multi-Language, Computer Communication Remote Control
Siglent Technologies SDS2202X-E 200MHz Super Phosphor Oscilloscope
RIGOL DS1202Z 200 Megahertz 2 Channel Digital Oscilloscope Digital Waveform Multimeter Basic Realtime Visualization and Analysis with 7 Inch Display
6
FNIRSI DSO152 Oscilloscope - 2.8" TFT Handheld Digital Oscilloscope Kit Portable Automotive Oscilloscope, 2.5MS/s High Sampling Rate, 200KHz Bandwidth, Trigger Function Auto/Nomal/Single
FNIRSI
9.7
7
HANMATEK Handheld Digital Oscilloscope 50Mhz Bandwidth with 2 Channels HO52 3.5"TFT Mini Oscilloscope, 2 in 1 Oscilloscope and Multimeter, Backlit Screen, Auto-Calibration Function, Memory Function
HANMATEK
9.6
8
Hantek Dso2C10 Digital Storage Oscilloscope 100Mhz Bandwidth 2Ch Dual Channel 1Gsa/S 8M Memory Depth
Hantek
9.4
9
Siglent Technologies SDS1102CML+ Digital Storage Oscilloscope, 100 MHz
Siglent
9.2
10
RIGOL DS1054Z Mixed Signal Oscilloscope for Educators and Bench Applications
Rigol
9.0
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A Guide to Selecting the Best Digital Oscilloscopes
Choosing a digital oscilloscope can seem overwhelming at first, but understanding your needs and the key specifications will help you make a smart decision. Oscilloscopes are essential tools for visualizing electrical signals, troubleshooting circuits, and learning about electronics. The right oscilloscope for you depends on what kind of signals you want to measure, how fast they change, and how much detail you need to see. By focusing on the main features and matching them to your typical tasks, you can find a model that fits your requirements without paying for unnecessary extras.
Bandwidth
Bandwidth is the range of frequencies the oscilloscope can accurately measure. It determines how fast a signal the oscilloscope can display without distortion. If you work with slow signals, like audio or simple digital circuits, a lower bandwidth is sufficient. For high-speed digital or radio frequency work, higher bandwidth is necessary. Bandwidth is usually divided into segments like entry-level (up to 50 MHz), mid-range (50-200 MHz), and high-end (200 MHz and above). To pick the right bandwidth, choose one that is at least five times higher than the highest frequency you expect to measure. This ensures accurate signal representation.
Sample Rate
Sample rate is how many times per second the oscilloscope captures data points from the signal. A higher sample rate means more detail and accuracy, especially for fast or complex signals. Sample rates are often described in megasamples per second (MS/s) or gigasamples per second (GS/s). For basic work, a lower sample rate is fine, but for capturing sharp edges or glitches, a higher rate is better. As a rule of thumb, the sample rate should be at least ten times the bandwidth. Consider what kind of signals you need to capture—if you need to see fine details, prioritize a higher sample rate.
Number of Channels
Channels refer to how many separate signals you can view at once. Most oscilloscopes have two or four channels, but some have more. If you only need to measure one or two signals at a time, fewer channels are enough. If you often compare multiple signals, such as in digital systems or multi-phase circuits, more channels are helpful. Think about your typical projects—if you often need to see how signals interact, choose more channels; if not, two channels may be sufficient.
Memory Depth
Memory depth is how much data the oscilloscope can store for each capture. More memory allows you to record longer periods of data at high detail, which is useful for analyzing long or complex signals. Memory depth is measured in points or samples. For simple, short signals, less memory is fine, but for capturing rare events or long sequences, more memory is better. If you need to zoom in on details without losing the big picture, prioritize higher memory depth.
Display and User Interface
The display size and quality affect how easily you can read and interpret signals. A larger, clearer screen makes it easier to spot details and compare signals. The user interface, including buttons, knobs, and menus, also impacts how quickly you can set up and use the oscilloscope. If you value ease of use or plan to spend a lot of time with the device, look for a model with a clear display and intuitive controls. If portability is important, a smaller screen may be acceptable.
Connectivity and Storage Options
Connectivity refers to how the oscilloscope can connect to other devices, such as computers or USB drives, for saving data or remote control. Common options include USB, LAN, and sometimes Wi-Fi. Storage options let you save screenshots or data for later analysis. If you need to document your work or share results, good connectivity and storage features are important. If you mostly use the oscilloscope for quick checks, these features may be less critical.
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