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FNIRSI DSO-TC3 3-in-1 500 kHz 10 MS/s Digital Oscilloscope Signal Generator Transistor Tester (Standard / High Profile)
225.00
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FNIRSI DSO-TC3 3-in-1 Digital Oscilloscope – Transistor Tester & Signal Generator
Compact handheld oscilloscope with component tester and DDS signal generator
The FNIRSI DSO-TC3 is a multifunctional measuring device that combines a digital oscilloscope (10 MS/s, 500 kHz), transistor and electronic component tester, and a DDS function signal generator. It is designed for field engineers, repair technicians, and electronics enthusiasts who need portable precision and reliability. The built-in 1500 mAh lithium-ion battery provides up to 4 hours of operation on a single charge.
Upgraded from the previous DSO-TC2, the DSO-TC3 delivers improved capacitance ESR detection, wider voltage range, higher sampling accuracy and better signal stability. The bright 2.4-inch TFT color display ensures clear readings even in direct sunlight, while the foldable bracket allows comfortable hands-free operation on any workbench.
Key Features
- ● 3-in-1 design – oscilloscope, transistor tester, and DDS signal generator
- ● Sampling rate 10 MS/s and 500 kHz analog bandwidth
- ● Measures voltages up to ±400 V (with ×10 probe)
- ● Tests NPN/PNP, MOSFET, IGBT, diodes, resistors, capacitors, inductors, SCRs and TRIACs
- ● DDS function generator – sine, square, pulse, triangle, ramp and DC output
- ● Automatic pin recognition, ESR measurement, and continuity testing
- ● Temperature and humidity sensors supported (DS18B20 / DHT11)
- ● Infrared decoding (NEC protocol) and PWM signal analysis
- ● 2.4-inch TFT full-color display, visible even in sunlight
- ● Built-in foldable stand for stable and ergonomic desktop use
Technical Specifications
- ● Brand: FNIRSI
- ● Model: DSO-TC3
- ● Display: 2.4-inch TFT color screen, LED backlight
- ● Sampling Rate: 10 MS/s | Bandwidth: 500 kHz | Input Resistance: 1 MΩ
- ● Coupling: AC/DC | Trigger Modes: Auto / Normal / Single | Edge: Rise / Fall
- ● Max Voltage: 40 V (×1) / 400 V (×10 probe)
- ● Signal Generator: 1 Hz–100 kHz | Amplitude 0–3.3 V | 6 waveforms + DC
- ● Component Test Range: R 0.01 Ω–50 MΩ | C 25 pF–100 mF | L 10 µH–1000 µH
- ● Battery: 1500 mAh Li-ion | Charging: USB Type-C 5 V
- ● Dimensions: 79 × 103 × 31 mm | Weight: ≈ 180 g
Version Comparison
| Feature | Standard Version | High Profile Version |
|---|---|---|
| Included Probes | Basic test leads and clips | FNIRSI P6100 high-voltage probe + adapter |
| Measurement Accuracy | High | Laboratory grade, better noise shielding |
| Use Case | DIY, educational testing | Service work, laboratory, HV testing |
| Package Contents | DSO-TC3 + USB cable + test leads | DSO-TC3 + P6100 + adapter + complete kit |
Package Includes
- ● 1 × FNIRSI DSO-TC3 digital oscilloscope
- ● 1 × Test hook probe set
- ● 1 × USB-C charging cable
- ● 1 × User manual (EN)
- ● High Profile Version: includes 1 × FNIRSI P6100 probe + adapter
Why Choose FNIRSI DSO-TC3?
The FNIRSI DSO-TC3 stands out as a truly portable lab-grade oscilloscope and component tester in one device. Its intelligent auto-detection and wide measurement range make it a powerful tool for electronics diagnostics and education. With an integrated signal generator, it can simulate test signals instantly without extra equipment – perfect for field repairs and bench work.
The High Profile edition adds the professional FNIRSI P6100 probe for accurate high-voltage measurements, delivering reliable results in any environment. Whether you are an engineer, technician or maker – the DSO-TC3 is an indispensable tool in your kit.
Recommended Accessories (available at Avifly)
- ● FNIRSI P6100 and P4100 probes – high-voltage and standard versions
- ● BNC to alligator leads for signal output and external measurement
- ● FNIRSI USB-C 5 V power adapter (low noise, stable supply)
- ● Anti-static mat for safe electronics work
- ● Protective case for portable measurement devices
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