FNIRSI DSO-510 Handheld Oscilloscope/DDS Signal Generator 2 in 1, Digital Portable Automotive Oscilloscope 2.8 inch TFT, 10MHz Bandwidth, 48MS/s Sampling Rate, Trigger Function Auto/Nomal/Single
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Availability:
In Stock.
Arrives
Friday, Mar 6
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Features
- 10 MHz OscilloscopeFNIRSI DSO-510 handheld oscilloscope 10 MHz bandwidth, 48 MS/s sampling rate, 50 ns-20 S time base range. Voltages up to 400 V can be measured
- Infinite AfterglowThe digital portable oscilloscope supports the level of display and the infinite afterglow, which can accurately capture the signal features. It supports waveform scaling, suspension, movement and image saving and exporting functions
- DDS Signal GeneratorFNIRSI DSO-510 can output 13 kinds of waveforms, and the maximum waveform output frequency is up to 50 KHz, which can meet the needs of diversified signal simulation and improve the efficiency of testing and analysis
- One-key AUTOSuitable for periodic analog signals and non-periodic digital signals. 2.8-inch LCD display, 320*240 resolution, which is clear and easy to observe. The one-key AUTO function can automatically optimize the measurement parameters
- Long-lasting battery lifeThe automotive oscilloscope has a built-in 1000mAh lithium battery and supports Type-C interface charging
Product Dimensions: 3.8 x 2.68 x 0.75 inches
Item Weight: 14.1 ounces
Manufacturer: FNIRSI
Item model number: DSO-510
Batteries: 1 Lithium Polymer batteries required. (included)
Date First Available: October 12, 2024
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Friday, Mar 6
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
A little tricking to learn to use and easy enough. Works well and render good info in the graphing. Great price.
Reviewed in the United States on December 8, 2025 by starlock
Slick little product. It gets a job done. Not all the jobs maybe, but a job, certainly. The frequency generator is a nice have, and the fact that it will run independent of the scope side is great, and makes it a truly useful piece of test equipment to have. I don't know what the actual adapter is for the cable, but it would be nice to have something a bit nicer than common alligator test clips for signal injection, though, you can always clip it to a dupont cable if needed. Also, the value for cost is absurd. worth double.
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Reviewed in the United States on February 26, 2025 by E. R. Parker
Solid pocket oscilloscope for $41, but keep in mind that it's a $41 scope. As with most scopes, the controls are confusing until you learn them. It's definitely not the most accurate, but it's a quick and easy way to see a waveform's shape and detect transients. Read the manual to learn how to set it up. It's good for basic automotive diagnostics. The signal generator does in fact operate up to 50 kHz, but as soon as you return to Oscilloscope mode the frequency turns back down to 1 kHz, perhaps due to lack of processing power or perhaps for driving the probe calibration signal. People complaining that the signal generator doesn't work above 1 kHz must be trying to measure the frequency simultaneously using this same device. Also note that the signal generator's actual output frequency is less accurate at higher frequency setpoints, with the most heinous error being an output of 44.4477 kHz at a setpoint of 44.000 kHz (see attached pictures); output is dead-on at 40.0 and 50.0 kHz, though. Signal generator voltage outputs are also not completely accurate (note 2.54V p-p measured at a setpoint of 3.0V p-p). This is good for learning and basic diagnostics, but rely on something more powerful for the high-importance troubleshooting. It can trigger on transients, though.
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Reviewed in the United States on July 1, 2025 by Madeline Barrientos Madeline Barrientos
Nice for the price
Reviewed in the United States on November 20, 2025 by Amazon Customer
Easy to use and I like how it works especially for the price, but switch the 1x and 10x attenuator on the probe doesn't do anything to the input signal. Seems to be broken.
Reviewed in the United States on December 1, 2024 by Liam
Like most oscilloscopes, it will take some time to get used to the user interface and controls. Once you're familiar with it, the functionality is quite impressive for such a small product! All of the oscilloscope and signal generator functions I tested work well. The screen is easy to read and has adjustable brightness. Overall, I'm very pleased with this device. It's become one of my must-have items in my electrical toolbox. The instructions were not very clear about how to connect the oscilloscope probe and signal generator wires (alligator clamp type). There is a small metal adapter you must connect to oscilloscope probe before connecting it to the left port. The signal generator wires connect to the right port.
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Reviewed in the United States on September 17, 2025 by David David
Smaller than I thought, but my son says it's great. It works well.
Reviewed in the United States on January 2, 2026 by CTJ
These oscilloscopes are garbage don’t buy them. I bought one and it works perfectly fine for the first couple times. But one day it decided to stop working. And I never got it to work again. The signal generator burned out. The oscilloscope trigger function it very unreliable at all times from new. I’m buying me a way better scope soon. The trigger function went off when I was playing with it. The crazy thing is that it wasn’t connected to anything while it triggered. And even crazier is that the trigger is set to 9.2volts when this all happened. MY ADVICE BUY SOMETHING HIGHER QUALITY! This is cheap Chinese junk.
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Reviewed in the United States on October 31, 2025 by Fishbed Fishbed