Description
FNIRSI DSO-TC3 3-in-1 Handheld Oscilloscope & Component Tester
📈 Oscilloscope + 🔍 Component Analyzer + 📡 Signal Generator
The FNIRSI DSO-TC3 is a powerful portable electronics testing tool that combines multiple instruments in one compact device. Perfect for electronics repair, Arduino, ESP32 projects, robotics, engineering students, and DIY laboratories.
✨ Main Features
📈 Digital Oscilloscope
- Bandwidth: 500kHz
- Sampling Rate: 10MS/s
- Automatic waveform measurement
- AC/DC coupling
🔍 Component Tester
Automatically identifies and tests:
- Resistors
- Capacitors
- Inductors
- Diodes
- LEDs
- NPN/PNP Transistors
- MOSFETs
- JFET, IGBT, SCR, TRIAC
⚡ Measurement Functions
- Voltage measurement (0–40V)
- Continuity test 🔔
- Diode test
- Resistance measurement
- Capacitance & inductance measurement
- ESR testing
📡 Signal Generator
Supports:
- Sine wave
- Square wave
- Triangle wave
- Pulse wave
- Ramp wave
- DC output
🌡 Additional Functions:
- Temperature measurement (DS18B20)
- Humidity measurement (DHT11)
- Infrared remote decoding
📊 Specifications
| Feature | Value |
|---|---|
| Brand | FNIRSI |
| Model | DSO-TC3 |
| Display | 2.4″ TFT Color Screen |
| Oscilloscope Bandwidth | 500kHz |
| Sampling Rate | 10MS/s |
| Battery | Built-in Rechargeable Lithium Battery |
| Charging | USB Type-C 5V |
| Stand | Foldable Built-in Stand |
| Application | Electronics Repair, Education, DIY Projects |
🎯 Suitable For
🤖 Arduino / ESP32 Development
🔧 Electronics Repair
🎓 Engineering Students
🏫 STEM & Robotics Education
⚙️ DIY Electronics Labs















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