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;

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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

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

Product ID: 672019787

⚡48 MS/s sampling rate

📶10 MHz bandwidth

🔄13 waveform outputs

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Description

🔧 Compact power, infinite possibilities — your ultimate on-the-go oscilloscope!

INSTANT OPTIMIZATION - One-key AUTO function automatically adjusts settings for flawless measurements every time.
POWER THROUGH YOUR DAY - Built-in 1000mAh battery with Type-C charging keeps you working longer without interruptions.
PRECISION IN YOUR PALM - 10 MHz bandwidth and 48 MS/s sampling rate deliver crystal-clear signal analysis for professional diagnostics.
VIVID PORTABLE DISPLAY - 2.8-inch TFT screen with 320x240 resolution ensures sharp visuals on the go.
VERSATILE SIGNAL SIMULATION - 13 waveform types up to 50 KHz empower you to tackle diverse testing scenarios with ease.

The FNIRSI DSO-510 is a compact handheld oscilloscope and DDS signal generator combo featuring a 10 MHz bandwidth, 48 MS/s sampling rate, and a 2.8-inch TFT display. It supports 13 waveform outputs up to 50 KHz, includes an intuitive one-key AUTO trigger function, and offers long-lasting battery life with convenient Type-C charging—perfect for automotive diagnostics and electronics troubleshooting.

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364.36 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered 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 Tunisia.

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TrustScore 4.5 | 7,300+ reviews

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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

Description

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Common Questions