1. Introduction
This manual provides detailed instructions for the safe and efficient operation of your FNIRSI DSO152, DSO153, and DSO-TC3 Mini Handheld Digital Oscilloscopes. These devices are compact, portable, and designed for various electrical measurement tasks, including waveform analysis, component testing, and signal generation. The DSO-TC3 model integrates a digital oscilloscope, transistor tester, and function signal generator into a single unit, offering enhanced versatility.
Please read this manual thoroughly before using the device to ensure proper functionality and to prevent damage.
2. Safety Information
- Always operate the device within its specified voltage and current limits.
- Do not expose the device to moisture, extreme temperatures, or corrosive environments.
- Ensure all connections are secure before powering on the device.
- Avoid touching exposed circuits or components when the device is powered.
- If the device shows signs of damage or malfunction, discontinue use immediately and seek professional assistance.
- Keep the device away from children.
3. Package Contents
Please check the contents of your package against the list below. Note that contents may vary slightly depending on the specific model (DSO152, DSO153, or DSO-TC3) and package option purchased.
DSO-TC3 Standard Package:
Image: DSO-TC3 Standard Package Contents, showing the main device, packaging box, alligator clip probe, charging cable, lanyard, instruction manual, adapter, and P6100 High Voltage Probe.
- DSO-TC3 Host device
- Packaging color box
- Alligator clip probe
- Charging cable
- Lanyard
- Instruction manual
- Adapter
- P6100 High Voltage Probe
DSO152/DSO153 Package:
Image: DSO152 Package Contents, showing the main device, packaging box, alligator clip probe, charging cable, lanyard, and instruction manual.
- Host device
- Packaging color box
- Alligator clip probe
- Charging cable
- Lanyard
- Instruction manual
4. Product Overview
The FNIRSI handheld oscilloscopes are designed for portability and ease of use, featuring a compact design and a clear display.
4.1. Physical Features
Image: DSO152 Button Functions and Parameters, illustrating the layout of buttons and interfaces.
Image: DSO-TC3 Button Functions and Parameters, illustrating the layout of buttons and interfaces.
Key Components:
- Display: 2.4-inch TFT Full Color HD Display (640*480 Pixels).
- Buttons: AUTO, MODE, Up, Down, RUN, Power.
- Trackwheel: (Left, OK, Right) for navigation and selection.
- Interfaces: Signal input probe (MXC) interface, Type-C charging interface (5V/1A), Reset hole.
- Stand: One-piece foldable bracket for convenient placement.
4.2. Battery Information
The device is equipped with a built-in lithium battery for portable operation. The DSO152 and DSO153 models feature a 1000mAh battery, while the DSO-TC3 has a 1500mAh HQ Polymer Lithium Battery, providing up to 4 hours of super battery life.
Image: Internal view of the DSO-TC3 showing the polymer lithium battery.
5. Setup and Basic Operation
5.1. Initial Setup
- Charging: Connect the device to a 5V/1A Type-C charger. The charging indicator light will show red during charging and green when fully charged.
- Power On/Off: Short press the power button to turn ON. Long press the power button to turn OFF.
- Language Settings: Navigate to the 'Settings' menu using the trackwheel buttons. Select 'Language' and choose your preferred language (e.g., English, Chinese, Russian, Spanish, Portuguese, German, Korean).
Image: Screenshot of the language selection menu.
5.2. Oscilloscope Mode
The oscilloscope function allows for real-time waveform analysis.
- Connect Probe: Connect the appropriate probe (e.g., P6100 High Voltage Probe or alligator clip probe) to the signal input (MXC) interface.
- Automatic Measurement: Press the 'AUTO' button for one-key automatic measurement of waveforms and up to 12 parameters.
- Trigger Mode: Use the 'MODE' button to switch between Auto, Normal, and Single trigger modes.
- Parameter Adjustment: Use the Up/Down buttons to adjust vertical sensitivity (V/Div) and time base (Time/Div).
- Waveform Control: Press the 'RUN' button to run or pause waveform acquisition. When paused, use the trackwheel to move or zoom the waveform for detailed analysis.
Image: Examples of oscilloscope waveform displays on DSO152/153.
Image: Example of oscilloscope waveform display on DSO-TC3.
Video: Demonstration of automatic measurement, waveform pause/adjustment, signal generator functions, auto-shutdown, and language settings.
6. Advanced Functions (DSO-TC3 Specific)
The DSO-TC3 model offers additional functionalities beyond a standard oscilloscope.
6.1. Transistor Tester
The transistor tester automatically identifies and measures various electronic components.
- Component Identification: Automatically identifies NPN and PNP triodes, N-channel and P-channel MOSFETs, JFETs, diodes, double diodes, thyristors, resistors, inductors, and capacitors.
- Pin Definition: Provides automatic detection of component pin definitions.
- Measurements: Measures parameters like β (for triodes), forward voltage drop (for diodes), capacitance, resistance, and inductance.
Image: Example of triode detection using the DSO-TC3 transistor tester.
Image: Examples of capacitance, resistance, inductance, and diode detection.
6.2. Function Signal Generator
The built-in signal generator can output various waveforms for testing and calibration.
- Waveforms: Sine wave, square wave, pulse wave, triangle wave, ramp wave, DC signal.
- Adjustable Parameters: Output frequency (1-100KHz), output voltage (3.3V), and duty ratio (0-100%).
Image: Display showing various signal generator waveforms and adjustable parameters.
6.3. Tool Box Functions
The DSO-TC3 includes a 'Tool Box' with additional utility functions:
- NEC protocol infrared code analysis.
- Circuit continuity test.
- 0~40V input voltage measurement.
- PWM output.
- 0~32V Zener diode measurement.
- DS18B20 temperature sensor measurement.
- DHT11 temperature and humidity sensor measurement.
Image: Screenshot of the Tool Box menu showing various utility functions.
7. Specifications
7.1. DSO152 Parameter Index
Image: Table detailing DSO152 and DSO153 oscilloscope and signal generator parameters.
| Parameter | Value |
|---|---|
| Sampling Rate | 2.5MS/s |
| Bandwidth | 200KHz |
| Vertical Sensitivity | 10mV/Div-20V/Div |
| Time Base Range | 10μs/Div-50s/Div |
| Voltage Range | X1: ±40V (Vpp:80V), X10: ±400V (Vpp:800V) |
| Trigger Method | Auto/Normal/Single |
| Coupling Method | AC/DC |
| Display | 2.8 inches/PPI:320*240 |
| USB Charging | 5V/1A |
| Lithium Battery Capacity | 1000mAh |
| Square Wave Calibration | Frequency: 1K, Duty cycle: 50% |
| Size | 99x68.3x19.5mm |
| Weight | 100g |
7.2. DSO153 Parameter Index
| Parameter | Value |
|---|---|
| Sampling Rate | 5MSa/s |
| Bandwidth | 1MHz |
| Vertical Sensitivity | 10mV/Div-20V/Div |
| Time Base Range | 500ns/Div-20s/Div |
| Voltage Range | X1: ±40V (Vpp:80V), X10: ±400V (Vpp:800V) |
| Trigger Mode | Auto/Normal/Single |
| Coupling Method | AC/DC |
| Signal Generator Frequency | 0-10KHz |
| Signal Generator Duty Cycle | 0-100% (rectangular and sawtooth waves) |
| Signal Generator Amplitude | 0.1-3.3V |
| Signal Generator Waveforms | Sine, rectangular, sawtooth, half, full, step, anti-step, noise, exponential rise/drop, DC, multi tone, Sink pulse, Lorentz wave |
| Display | 2.8 inches/PPI:320*240 |
| USB Charging | 5V/1A |
| Lithium Battery Capacity | 1000mAh |
| Size | 99x68.3x19.5mm |
| Weight | 100g |
7.3. DSO-TC3 Specifications
Image: Table detailing DSO-TC3 main parameters, digital oscilloscope, transistor tester, and signal source specifications.
| Parameter | Value/Range | Description |
|---|---|---|
| Main Parameters | ||
| Model | DSO-TC3 | |
| Display | 2.4 inches TFT color screen | |
| Supply Voltage | Built-in 1500mAh rechargeable lithium battery | |
| Charging Specifications | USB Type-C, +5V | |
| Volume | 79*103*31mm | |
| Bracket Specifications | One-piece Foldable Bracket | |
| Digital Oscilloscope | ||
| Real-time Sample Rate | 10MSa/s | |
| Analog Bandwidth | 500KHz | |
| Input Resistance | 1MΩ | |
| Coupling Method | AC/DC | |
| Test Voltage Range | 400V | |
| Vertical Sensitivity (x1) | 10mV-10V | |
| Horizontal Time Base Range | 1μs-10s | |
| Trigger Mode | Auto / Normal / Single | |
| Trigger Type | Rising edge / Falling edge | |
| Waveform Freeze | Yes | |
| Automatic Measurement | Yes | |
| Transistor Tester & Tools | ||
| Triodes | β is greater than 10 and less than 600 | Magnification hfe, base-emitter voltage Ube, Ic/Ie, collector-emitter reverse cut-off current Iceo, Ices, protection diode forward voltage drop Uf. |
| Diodes | Forward voltage drop, junction capacitance, reverse leakage current | (1-2-3 test area) forward voltage drop, reverse breakdown voltage. |
| Regulated Diode | 0.01~32V | (K-A-A test area) reverse breakdown voltage |
| JFET | Gate capacitance Cg, drain current Id under Vgs, protection diode Uf. | |
| MOSFET | Turn-on voltage Vt, gate capacitance Cg, drain-source resistance Rds, protection Diode forward voltage drop Uf. | |
| SCRs | Turn-on voltage <5V, gate Pole trigger current <6mA | Gate voltage |
| TRIAC | Capacitance value, loss factor Vloss | |
| Capacitor | 25pF~100mF | |
| Resistor | 0.01Ω~50MΩ | Resistance |
| Inductor | 10uH~1000mH | Inductance value, DC resistance |
| Battery | 0.1~4.5V | Voltage value, positive and negative polarity |
| Input Voltage | 0~40V | Voltage value |
| DS18B20 | 0-85℃ | Temperature |
| DHT11 | 0-60℃/5-95% | Humidity |
| Infrared Remote Decoding | NEC protocol infrared code | Display user code and data code, and display the corresponding infrared waveform. |
| Signal Source | ||
| 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 | 1-100KHz/0-3.3V/0-100% | |
| DC | 0-3.3V | |
8. Maintenance and Care
- Cleaning: Use a soft, dry cloth to clean the device. Do not use abrasive cleaners or solvents.
- Charging: Charge the device regularly to maintain battery health. Avoid completely draining the battery for extended periods.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Firmware Upgrade: The device supports firmware upgrades. Refer to the manufacturer's website or support resources for instructions on how to perform an upgrade.
- Automatic Shutdown: To conserve battery life, configure the automatic shutdown feature in the settings menu. Options include OFF, 15min, 30min, and 1hour.
Image: Screenshot of the automatic shutdown settings menu.
9. Troubleshooting
- Device not powering on: Ensure the battery is charged. Connect the device to a Type-C charger and try again.
- No waveform displayed: Check probe connections. Ensure the input signal is within the device's voltage range. Try pressing the 'AUTO' button for automatic setup.
- Inaccurate readings: Perform a square wave calibration if available (DSO152/153). Ensure probes are correctly set for attenuation (e.g., X1, X10).
- Transistor tester not detecting components (DSO-TC3): Ensure the component is correctly inserted into the test socket. Check for damaged pins or incorrect orientation.
- Signal generator not outputting (DSO-TC3): Verify the selected waveform, frequency, amplitude, and duty cycle settings.
10. User Tips
- Portability: The compact size makes these devices ideal for field repairs, DIY learning, car repair, appliance repair, research, and outdoor maintenance.
- Auto-Measurement: Utilize the 'AUTO' function for quick and efficient waveform capture and parameter display, especially for beginners.
- Firmware Updates: Regularly check for firmware updates to ensure optimal performance and access to new features.
- Probe Care: Handle probes with care. The P6100 High Voltage Probe is designed for higher voltage measurements, ensure it is used appropriately.
Image: Application scenario showing mains measurement.
Image: Application scenario showing DIY learning.
Image: Application scenario showing on-site commissioning.
Image: Application scenario showing appliance repair.
Image: Application scenario showing research and teaching.
Image: Application scenario showing outdoor maintenance.
11. Warranty and Support
For warranty information, technical support, or service inquiries, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.
