FNIRSI® DSO-TC3 Plus 3-IN-1 Handheld 500KHz 10MS/s Digital Oscilloscopes Signal Generator Transistor Tester
Product Description
The FNIRSI® DSO-TC3 Plus is a multifunctional handheld electronic testing instrument that combines a digital oscilloscope, an electronic component tester, and a DDS function signal generator in one compact device. It also provides additional functions such as continuity testing, voltage measurement, regulated diode testing, temperature and humidity measurement, PWM output, and infrared remote control decoding.
The integrated digital oscilloscope features a 500kHz analog bandwidth and a 10MSa/s real-time sampling rate, allowing users to observe periodic analog signals and non-periodic digital signals. It supports AC/DC coupling, automatic waveform configuration, waveform freezing, and multiple trigger modes.
The component tester identifies and measures a wide range of electronic components, including NPN and PNP transistors, MOSFETs, JFETs, IGBTs, diodes, capacitors, resistors, inductors, SCRs, and TRIACs. It also supports automatic component pin identification and measurement of various component parameters.
The built-in function signal generator supports six waveform types: sine, square, pulse, triangle, ramp, and DC. The detailed specifications list an adjustable frequency range of 1–100kHz for the generated waveforms, with adjustable output levels depending on the selected waveform.
Featuring a 2.4-inch TFT color display, a rechargeable lithium battery, and an integrated foldable stand, the DSO-TC3 Plus offers a versatile portable solution for electronics technicians, engineers, students, and hobbyists.
Key Features
- 3-in-1 Multifunctional Design: Combines a digital oscilloscope, electronic component tester, and DDS function signal generator.
- 500kHz Oscilloscope Bandwidth: Suitable for basic electronic signal observation and troubleshooting.
- 10MSa/s Real-Time Sampling Rate: Captures input signals at up to 10 million samples per second.
- AC/DC Coupling: Supports AC and DC input coupling for different measurement requirements.
- One-Key AUTO Function: Automatically adjusts the waveform display to simplify signal observation.
- Multiple Trigger Modes: Supports Auto, Normal, and Single triggering, with rising-edge and falling-edge selection.
- Six Signal Waveforms: Generates sine, square, pulse, triangle, ramp, and DC signals.
- Up to 100kHz Signal Generation: Adjustable frequency for the supported AC waveform outputs.
- Comprehensive Component Testing: Tests NPN and PNP transistors, MOSFETs, JFETs, IGBTs, diodes, capacitors, resistors, inductors, SCRs, and TRIACs.
- Automatic Pin Identification: Detects component pin configurations and helps identify unknown components.
- MOS Test Mode: Supports testing different transistor types and measuring component parameters.
- Continuity Testing: Includes a circuit continuity test function.
- Voltage Measurement: Supports external input voltage measurement from 0V to 40V.
- Regulated Diode Testing: Supports regulated diode measurements up to 32V in the specified K-A-A test area.
- Temperature and Humidity Measurement: Supports DS18B20 temperature sensors and DHT11 temperature and humidity sensors.
- Infrared Remote Decoding: Automatically analyzes infrared remote control signals using the NEC protocol.
- 2.4-Inch TFT Display: Provides a color screen for viewing waveforms and measurement results.
- Rechargeable Battery: Uses a built-in rechargeable lithium battery with USB Type-C charging.
- Foldable Stand: Integrated stand for convenient desktop operation.
Technical Specifications
General Specifications
| Parameter | Specification |
|---|---|
| Brand | FNIRSI |
| Model | DSO-TC3 Plus |
| Product Type | 3-in-1 Digital Oscilloscope, Component Tester, and Signal Generator |
| Display | 2.4-inch TFT Color Screen |
| Backlight | LED |
| Power Supply | Rechargeable Lithium Battery |
| Charging Interface | USB Type-C |
| Charging Voltage | 5V |
| Dimensions | 79 × 103 × 31mm |
| Stand | Integrated Foldable Stand |
Digital Oscilloscope Specifications
| Parameter | Specification |
|---|---|
| Real-Time Sampling Rate | 10MSa/s |
| Analog Bandwidth | 500kHz |
| Input Resistance | 1MΩ |
| Coupling Method | AC / DC |
| Test Voltage Range | 400V (manufacturer's stated value; measurement conditions not specified) |
| Vertical Sensitivity (X1) | 10mV – 10V |
| Horizontal Time Base Range | 1µs – 10s |
| Trigger Modes | Auto / Normal / Single |
| Trigger Type | Rising Edge / Falling Edge |
| Waveform Freeze | Supported |
| Automatic Measurement | Supported |
| Automatic Waveform Configuration | One-Key AUTO |
Function Signal Generator Specifications
| Waveform | Frequency Range | Output Specification |
|---|---|---|
| Sine Wave | 1–100kHz | 0–3.3V / 50% |
| Square Wave | 1–100kHz | 3.3V / 50% |
| Pulse Wave | 1–100kHz | 3.3V / 0–100% |
| Triangle Wave | 1–100kHz | 0–3.3V / 50% |
| Ramp Wave | 1–100kHz | 0–3.3V / 0–100% |
| DC Signal | Not applicable | 0–3.3V |
Transistor Tester and Component Measurement Specifications
| Component / Function | Measurement Range or Capability |
|---|---|
| NPN / PNP Transistors | β (hFE): Greater than 10 and less than 600 |
| Diodes | Forward Voltage Drop: Less than 4.5V |
| Regulated Diodes | 0.01–4.5V (1-2-3 test area); 0.01–32V (K-A-A test area) |
| MOSFET | Supported |
| JFET | Supported |
| IGBT | Supported |
| SCR | Supported |
| TRIAC | Supported |
| SCR / TRIAC Trigger Parameters | Turn-on Voltage: Less than 5V; Gate Trigger Current: Less than 6mA |
| Capacitors | 25pF – 100mF |
| Resistors | 0.01Ω – 50MΩ |
| Inductors | 10µH – 1000mH |
| Batteries | 0.1–4.5V |
| Component Pin Identification | Automatic Detection |
| MOS Test Mode | Supported |
Additional Measurement Functions
| Function | Specification |
|---|---|
| Input Voltage Measurement | 0–40V |
| Circuit Continuity Test | Supported |
| PWM Output | Supported |
| DS18B20 Temperature Measurement | 0–85°C |
| DHT11 Temperature Measurement | 0–60°C |
| DHT11 Humidity Measurement | 5–95% RH |
| Infrared Remote Decoding | NEC Protocol |
| Regulated Diode Measurement | Up to 32V in the specified K-A-A test area |
Operating Environment
| Parameter | Specification |
|---|---|
| Operating Temperature | -5°C to 40°C |
| Maximum Relative Humidity | 80% |
| Storage Environment | Clean and dry place, away from moisture, direct sunlight, and mechanical damage |
Applications
- Electronics Repair and Maintenance: Test electronic components and observe circuit waveforms during troubleshooting.
- Transistor Identification: Identify NPN and PNP transistors, MOSFETs, JFETs, IGBTs, and other supported semiconductor components.
- Component Testing and Sorting: Measure component parameters and identify pin configurations when checking or sorting electronic components.
- Electronic Circuit Testing: Observe low-frequency analog and digital signals using the built-in oscilloscope.
- Signal Generation: Generate different waveforms for basic circuit testing and demonstrations.
- PCB Troubleshooting: Perform continuity checks and component measurements during circuit inspection.
- Educational Laboratories: Support practical electronics training and component identification exercises.
- Temperature and Humidity Monitoring: Measure temperature using a DS18B20 sensor or temperature and humidity using a DHT11 sensor.
- Infrared Remote Control Testing: Decode NEC-protocol infrared remote control signals.
- DIY Electronics Projects: Provide multiple electronic testing functions in one portable instrument.
Package Contents
- 1 * 3in1 Digital Oscilloscope
- 1 * Adaptor
- 1 * Probe
- 1 * High Pressure Probe
- 3 * Test Hook
- 1 * Type-C Cable
- 1 * Manual
Frequently Asked Questions (FAQ)
1. What functions does the FNIRSI DSO-TC3 Plus combine?
It combines three main functions: a digital oscilloscope, an electronic component tester, and a DDS function signal generator. It also provides continuity testing, voltage measurement, temperature and humidity measurement, PWM output, and infrared decoding.
2. What are the oscilloscope bandwidth and sampling rate?
The oscilloscope features a 500kHz analog bandwidth and a maximum real-time sampling rate of 10MSa/s.
3. What types of electronic components can the DSO-TC3 Plus test?
It supports testing NPN and PNP transistors, MOSFETs, JFETs, IGBTs, diodes, regulated diodes, SCRs, TRIACs, capacitors, resistors, inductors, and batteries within the manufacturer's specified measurement ranges.
4. Can the DSO-TC3 Plus automatically identify transistor pin configurations?
Yes. The component tester supports automatic pin identification and can analyze different transistor types.
5. Does the DSO-TC3 Plus have a built-in signal generator?
Yes. It includes a DDS function generator with six waveform types: sine, square, pulse, triangle, ramp, and DC.
6. What is the maximum signal generator frequency?
The detailed generator specifications list a frequency range of 1–100kHz for sine, square, pulse, triangle, and ramp waveforms.
7. Can the DSO-TC3 Plus measure temperature and humidity?
Yes. It supports DS18B20 temperature sensors and DHT11 temperature and humidity sensors. The specified ranges are 0–85°C for DS18B20 and 0–60°C with 5–95% relative humidity for DHT11.
8. What is the difference between the DSO-TC3 Std. and DSO-TC3 Plus?
The DSO-TC3 Plus comes with an oscilloscope probe, a BNC adapter, and a full set of accessories.