What are the steps for upgrading the firmware?

A: On a Windows 10+ PC, power off the device, hold Wheel + Power, connect via Type-C, then copy the firmware file to the “IAP” drive.

What are the troubleshooting steps for an oscilloscope that won't power on?

1. Charge with a 5V/1A adapter for 1–2 hours, then hold the power button 3–5s to rule out low battery.

My oscilloscope won't trigger on signals shorter than 1µs in single-shot trigger mode. What can I do?

1. Increase pulse width (>1µs) to improve trigger recognition and stability.

How do I export an oscilloscope's waveform image?

1.Access the oscilloscope's [System Settings] menu;

Dso 510 Handheld Oscilloscope Dds Signal Generator 2 In 1

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

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¥23882

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

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Description

⚙️ Power your precision—test smarter, not harder!

SMART AUTO MODE - One-key AUTO function instantly optimizes measurement parameters—perfect for fast-paced diagnostics without the guesswork.
CRYSTAL CLEAR DISPLAY - 2.8-inch HD TFT screen with 320x240 resolution ensures every waveform is easy to analyze, even in bright environments.
DUAL POWERHOUSE DEVICE - Oscilloscope and DDS signal generator in one compact, portable tool—boost your testing efficiency on the go.
PRECISION AT YOUR FINGERTIPS - 10 MHz bandwidth and 48 MS/s sampling rate capture every signal detail with unmatched clarity.
BUILT TO LAST BUILT TO PERFORM - Robust 1000mAh lithium battery with Type-C charging keeps you powered through long workdays without interruption.

The FNIRSI DSO-510 is a cutting-edge handheld oscilloscope and DDS signal generator combo, featuring a 10 MHz bandwidth, 48 MS/s sampling rate, and a vibrant 2.8-inch HD display. Designed for professionals needing accurate, portable signal analysis, it supports up to 400 V measurements and offers 13 waveform outputs. With a long-lasting 1000mAh battery and smart auto-trigger functions, it’s the ultimate tool for automotive diagnostics, R&D, and complex signal testing.

Reviews

J**L

Oscillosxope

Nice and good

3.04.2026

K**K

Feature

Good product

15.07.2026

C**S

Buen producto a un precio justo

Cumplió lo que prometió a un precio justo

21.12.2025

L**.

Amazing!

I love this little oscope. Great price! Works well for car audio, and the signal generator is awesome for electronics troubleshooting! They make a wireless soldiering pen that’s awesome too! Definitely gonna buy more from these guys and the tech support is on point!

18.05.2026

R**O

PESIMOOOO

Pésimo, me llego usado y sin la probeta para el oscilloscopio

15.05.2026

W**T

works good

The scope is easy to setup and use, screen is clear and easy to read, its small and east to carry, its durable, and looks goodworks good

29.06.2026

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¥23882

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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5 days ago

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Asin	B0DJX6W58S
Batteries	1 Lithium Polymer batteries required. (included)
Date First Available	9 January 2025
Item Model Number	DSO-510
Manufacturer	FNIRSI
Product Dimensions	9.65 x 6.81 x 1.91 cm; 400 g

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/Single By Skyking

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