---
product_id: 523474415
title: "FNIRSI DSO-TC3 3-in-1 Oscilloscope 500KHz Bandwidth 10MSa/s Sampling Rate | Handheld Oscilloscope Transistor Tester DDS Signal Generator, One-Key AUTO for Automotive Diagnostics & Electronics Repair"
brand: "fnirsi"
price: "349.84 DT"
currency: TND
in_stock: true
category: "Fnirsi"
url: https://www.desertcart.tn/products/523474415-fnirsi-dso-tc3-3-in-1-oscilloscope-500khz-bandwidth-10msa
store_origin: TN
region: Tunisia
---

# 10 MSa/s sampling rate 500 kHz bandwidth Built-in rechargeable battery FNIRSI DSO-TC3 3-in-1 Oscilloscope 500KHz Bandwidth 10MSa/s Sampling Rate | Handheld Oscilloscope Transistor Tester DDS Signal Generator, One-Key AUTO for Automotive Diagnostics & Electronics Repair

**Brand:** fnirsi
**Price:** 349.84 DT
**Availability:** ✅ In Stock

## Summary

> ⚙️ Master your signals, anywhere, anytime — the ultimate 3-in-1 tech sidekick!

## Quick Answers

- **What is this?** FNIRSI DSO-TC3 3-in-1 Oscilloscope 500KHz Bandwidth 10MSa/s Sampling Rate | Handheld Oscilloscope Transistor Tester DDS Signal Generator, One-Key AUTO for Automotive Diagnostics & Electronics Repair by fnirsi
- **How much does it cost?** 349.84 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/523474415-fnirsi-dso-tc3-3-in-1-oscilloscope-500khz-bandwidth-10msa)

## Best For

- fnirsi enthusiasts

## Why This Product

- Trusted fnirsi brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **All-in-One Powerhouse:** Oscilloscope, signal generator & transistor tester combined for ultimate lab efficiency.
- • **Crystal Clear Display:** 2.4-inch TFT screen with one-key AUTO for instant waveform clarity—no fiddling needed.
- • **Smart Transistor Analysis:** Auto pin detection & NEC infrared code analysis for seamless component testing.
- • **Precision Meets Portability:** Lightweight 250g handheld design with 500 kHz bandwidth and 10 MSa/s sampling rate.
- • **Versatile Waveform Generator:** Six waveform types including sine, square, and triangle to fuel your innovation.

## Overview

The FNIRSI DSO-TC3 is a compact, handheld 3-in-1 device combining a digital oscilloscope, DDS signal generator, and transistor tester. Featuring a 2.4-inch TFT display, 500 kHz bandwidth, and 10 MSa/s sampling rate, it supports six waveform types and automatic transistor pin detection. Powered by a rechargeable lithium battery, it’s designed for professionals needing precise, portable electronic diagnostics and testing.

## Description

FNIRSI DSO-TC3 Oscilloscope - 3-in-1 Handheld Oscilloscope & DDS Signal Generator & Transistor Tester, 500Khz Bandwidth 10MSa/s Sampling Rate, 6 Types of Waveforms, Transistors Measure: desertcart.com: Industrial & Scientific

## Features

- FNIRSI DSO-TC3 ingeniously integrates digital oscilloscope, electronic component tester, function signal generator and other functions into one. Equipped with 2.4 Inch TFT display. Built-in rechargeable lithium battery
- DSO-TC3 handheld oscilloscope, 10 MS/s sampling rate, 500 kHz bandwidth. It can be used freely for both periodic analog signals and aperiodic digital signals. Equipped with one-key AUTO, the measured waveform can be displayed without cumbersome adjustment
- DSO-TC3 transistor tester can identify and measure various transistors, including NPN and PNP transistors, N-channel and P-channel field effect transistors etc. Automatic detection of pin definition. Automatically analyze NEC protocol infrared code
- DSO-TC3 transistor tester is suitable for pairing of transistors, identification of mixed surface mount, and preliminary screening of small batch components. "Mos Test" mode can test various types of transistors and test capacitance, resistance etc
- Other functional modes: Including circuit continuity test, 0-40 V input voltage measurement, PWM output, 0-32 V regulated diode measurement, DS18B20 temperature sensor measurement, DHT11 temperature and humidity sensor measurement
- Six waveforms: sine, square, pulse stroke, triangle, ramp and DC

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BV9X733J |
| Best Sellers Rank | #83,872 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #31 in Lab Oscilloscopes |
| Brand Name | FNIRSI |
| Customer Reviews | 4.2 4.2 out of 5 stars (232) |
| Included Components | DSO-TC3 Oscilloscope, Other Accessories |
| Item Dimensions | 3.94 x 3.35 x 5.91 inches |
| Item Weight | 250 Grams |
| Manufacturer | FNIRSI |
| Model | DSO-TC3 |
| Part Number | Dso-tc3 |
| Power Source | Battery Powered |
| Style Name | DSO-TC3 |
| Unit Count | 1.0 Count |
| Upper Temperature Rating | 85 Degrees Celsius |
| Warranty Description | 60 days manufacture |

## Product Details

- **Brand:** FNIRSI
- **Item Weight:** 250 Grams
- **Item dimensions L x W x H:** 3.94 x 3.35 x 5.91 inches
- **Power Source:** Battery Powered
- **Style:** DSO-TC3

## Images

![FNIRSI DSO-TC3 3-in-1 Oscilloscope 500KHz Bandwidth 10MSa/s Sampling Rate | Handheld Oscilloscope Transistor Tester DDS Signal Generator, One-Key AUTO for Automotive Diagnostics & Electronics Repair - Image 1](https://m.media-amazon.com/images/I/71uPS5nk2nL.jpg)

## Questions & Answers

**Q: Can this output to programs on a computer?**
A: DSO-TC2 cannot transfer data to computer

**Q: What adapter do i need to be able to connect the bnc probe?**
A: Thanks for your question. You need an MCX adapter to connect the BNC probes.

**Q: Does it have a 10x probe to handle high voltage up to 400vac?**
A: Yes, the 10X probe is included in the DSO-TC3 kit for measuring voltages up to 400V

**Q: What is the pixel resolution of the display?**
A: The screen of FNIRSI DSO-TC2 adopts a 2.4-inch TFT color screen with a screen resolution of 240*320

## Frequently Bought Together

- FNIRSI DSO-TC3 Oscilloscope - 3-in-1 Handheld Oscilloscope & DDS Signal Generator & Transistor Tester, 500Khz Bandwidth 10MSa/s Sampling Rate, 6 Types of Waveforms, Transistors Measure
- FNIRSI DMT-99 Digital Multimeter 9999 Counts TRMS, Rechargeable Auto-Ranging Volt Meter with Recording and Monitoring Data Mode, Resistance, Capacitance, Diode, Frequency, NCV, Current Voltage Tester
- FNIRSI LCR-ST1 10KHz LCR Meter Tweezer, Mini Smart SMD Tester, ESR Meter, Multimeter, Capacitance Inductance Continuity Diode Tester, Auto Component Recognition Electronic Component Analyze

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.tn/products/523474415-fnirsi-dso-tc3-3-in-1-oscilloscope-500khz-bandwidth-10msa](https://www.desertcart.tn/products/523474415-fnirsi-dso-tc3-3-in-1-oscilloscope-500khz-bandwidth-10msa)

---

*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-07-27*