1. Introduction
The Hantek DSO4102C and DSO4202C are advanced dual-channel digital storage oscilloscopes that integrate an arbitrary/function waveform generator. These devices are designed for precise signal analysis and generation, featuring a large 7-inch 64K color LCD display with 800x480 resolution for clear and realistic waveform visualization. They offer a 1GSa/s sample rate and bandwidth options of 100MHz (DSO4102C) or 200MHz (DSO4202C). With over 20 types of automatic measurement functions and powerful trigger capabilities (Edge, Video, Pulse, Slope, Over time, Alternative), these oscilloscopes are versatile tools for various electrical and electronic applications. The integrated arbitrary/function waveform generator provides 25MHz output with 12-bit resolution and 200MHz DDS, capable of generating arbitrary, square, sine, triangle, trapezoidal, pulse, and DC waveforms to simulate transducers effectively. The devices support SD card storage and feature an integrated USB Host for USB disk storage and system updates.
2. Setup
2.1 Unpacking and Inspection
Carefully unpack the oscilloscope and all accessories. Verify that all components listed in the packing list are present and undamaged. The standard package includes the oscilloscope unit, two oscilloscope probes, a USB cable, a power cord, a user manual, and a software CD.
2.2 Power Connection
- Ensure the oscilloscope is placed on a stable, flat surface with adequate ventilation.
- Connect the provided power cord to the AC power input on the rear panel of the oscilloscope.
- Plug the other end of the power cord into a suitable AC power outlet (AC 100-240V, 60W MAX).
- Press the power button on the front panel to turn on the device.
2.3 Probe Connection
- Connect the oscilloscope probes to the BNC input connectors on the front panel (CH1, CH2).
- Ensure the probes are securely twisted into place.
- Calibrate the probes before first use or if accuracy is critical. Refer to the operating section for probe calibration instructions.
2.4 USB and SD Card Connectivity
- The oscilloscope features an integrated USB Host for connecting USB storage devices.
- A USB interface is available for connecting to a computer for data transfer or system updates.
- An SD card slot is provided for waveform storage and system updates.
3. Operating Instructions
3.1 Basic Oscilloscope Operation
The oscilloscope and waveform generator keys are separated for simultaneous operation. The large 7-inch 64K color LCD display (800x480 resolution) provides a clear view of waveforms.
3.1.1 Vertical System Controls
- Vertical Sensitivity: Adjusts the vertical scale (Volts/div) from 2mV/div to 10V/div.
- Input Coupling: Selects DC, AC, or GND coupling for input signals.
- Probe Attenuation: Set the probe attenuation coefficient (1X, 10X, 100X, 1000X) to match your probe.
3.1.2 Horizontal System Controls
- Sampling Rate Range: Fixed at 1GSa/s for real-time sampling.
- Scanning Range: Adjusts the horizontal time base (Sec/div) from 2ns/div to 80s/div (DSO4102C) or 4ns/div to 80s/div (DSO4202C).
- Storage Depth: 40K points.
3.1.3 Trigger System
The oscilloscope features powerful trigger functions to stabilize and capture specific events:
- Trigger Types: Edge, Video, Pulse, Slope, Over time, Alternative.
- Trigger Frequency Counter: Measures the frequency of the trigger source.
- Frequency Meter: Operates in "Pulse width" or "edge trigger" modes.
3.1.4 Measurement Functions
The device supports over 20 types of automatic measurement functions for various waveform parameters.
3.2 Arbitrary/Function Waveform Generator Operation
The integrated waveform generator can produce various signals:
- Frequency: Up to 25MHz.
- Resolution: 12 bits.
- Waveforms: Arbitrary wave, square wave, sine wave, triangle wave, trapezoidal wave, pulse wave, DC.
4. Maintenance
4.1 General Care
- Keep the oscilloscope clean and free from dust. Use a soft, dry cloth for cleaning the exterior.
- Avoid exposing the device to extreme temperatures, humidity, or direct sunlight.
- Ensure proper ventilation to prevent overheating.
4.2 Software Updates
The oscilloscope supports system updates via USB interface or SD card. Periodically check the Hantek official website for the latest firmware and software to ensure optimal performance and access to new features.
5. Troubleshooting
If you encounter issues with your Hantek oscilloscope, consider the following basic troubleshooting steps:
- No Power: Check the power cord connection and the power outlet. Ensure the power button is pressed.
- No Waveform Display: Verify that probes are correctly connected to both the oscilloscope and the signal source. Check input coupling and vertical/horizontal scale settings. Ensure the trigger is set appropriately.
- Distorted Waveform: Check probe compensation. Ensure the input voltage does not exceed the maximum rating (Type I and Type II: 300VRMS (10x); Installation type III: 150VRMS (1x)).
- System Malfunction: Try restarting the device. If the issue persists, consider performing a factory reset (refer to the on-screen menu or detailed manual for instructions) or updating the firmware.
- USB/SD Card Not Recognized: Ensure the storage device is properly inserted and formatted correctly (usually FAT32).
For more complex issues, consult the comprehensive user manual provided on the software CD or contact Hantek customer support.
6. Specifications
Below are the detailed specifications for the Hantek DSO4102C and DSO4202C models:
| Model | DSO4202S | DSO4102S | DSO4072S |
|---|---|---|---|
| Oscilloscope Index | |||
| Sampling Type | Real time sampling: 1GSa/s | ||
| Equivalent sampling: 25GSa/s | |||
| Acquisition Mode | |||
| Sampling | Sampling data | ||
| Peak to Peak | Display high frequency and random burrs | ||
| Average | Average waveform, times: 4, 8, 16, 32, 64, 128 | ||
| Input | |||
| Input Coupling | DC, AC or ground (DC, AC, GND) | ||
| Input Impedance | 1MΩ±2% / 120pF±3pF | ||
| Probe Attenuation | 1X, 10X | ||
| Probe Attenuation Coefficient Setting | 1X, 10X, 100X, 1000X | ||
| Input Voltage | Type I and Type II: 300VRMS (10×); Installation type III: 150VRMS (1×); Installation type II; With the slope of 20 dB/decade, the AC peak value is 13V when it starts to drop from above 100kHz to more than or equal to 3MHz *. For non sinusoidal waveform, the peak value must be less than 450V. The offset duration above 300 V shall be less than 100 ms, and the RMS signal level (including all DC components deleted through AC coupling) must be limited to 300 V. If these values are exceeded, the instrument may be damaged. | ||
| Horizontal System | |||
| Sampling Rate Range | 1GS/s | ||
| Waveform Interpolation | (sin x)/x | ||
| Storage Depth | 40K | ||
| Scanning Range | 2ns/div~80s/div | 4ns/div~80s/div | |
| Sampling Rate and Delay Time Accuracy | ± 50ppm (at any time interval greater than 1ms) | ||
| Position Range | 2ns/div to 10ns/div; (-4div x s/div) to 20ms; | 20ns/div to 80us/div; (-8div x s/div) to 40ms; 200us/div to 40s/div; (-8div x s/div) to 400s | |
| Time Interval Measurement Accuracy (full bandwidth) | Single time: ± (1 sampling interval+100ppm x reading+0.6ns); >16 average values: ± (1 sampling interval+100ppm × Reading+0.4 ns); Sampling interval=seconds/division ÷ 200 | ||
| Vertical System | |||
| Vertical Resolution | 8-bit resolution, simultaneous sampling for each channel | ||
| Vertical Sensitivity | 2mV/div to 10V/div | ||
| Bandwidth | 200MHz | 100MHz | 70MHz |
| Rise Time at BNC (typical) | 1.8ns | 3.5ns | 5ns |
| Analog Bandwidth in Sampling and Averaging Mode, DC Coupling at BNC or with Probe | 2mV/grid to 20mV/grid, ± 100mV; 50mV/grid to 200mV/grid, ± 1V; 500mV/grid to 2V/grid, ± 10V; 10V/grid, ± 50V | ||
| Mathematical Operation | Add, subtract, multiply, divide, FFT | ||
| FFT | Windows: Hanning, Flat, Rectangular, Bartlett, Blackman; 1024 sampling points | ||
| Bandwidth Limitation | 20MHz | ||
| Low Frequency Response (-3db) | ≤ 10Hz at BNC | ||
| Vertical Gain Accuracy | In the "Sampling" or "Average" acquisition mode, the accuracy from 10V/grid to 10mV/grid is ± 3%; In the "Sampling" or "Average" acquisition mode, the accuracy from 5mV/grid to 2mV/grid is ± 4% | ||
| Trigger Frequency Counter | |||
| Reading Resolution | 6 digits | ||
| Precision (typical) | ± 30ppm (including all frequency reference errors and ± 1 calculation error) | ||
| Frequency Range | AC coupling, from 4Hz to rated bandwidth | ||
| Frequency Meter | "Pulse width" or "edge trigger" mode: all available trigger sources. The "frequency counter" has been measuring the trigger source, including when the oscilloscope acquisition is suspended due to changes in the operating state, or when the single event acquisition has ended. "Pulse width" trigger mode. The oscillograph calculates the pulse with effective amplitude in the window measured in 1s and meeting the trigger event conditions. For example, if the PWM pulse column is set to <mode and the width is set to a smaller time, the narrow pulse will appear. "Edge trigger" mode: the oscilloscope calculates all. High frequency suppression: signal will be attenuated when it is greater than 80kHz. Low frequency suppression: when the frequency is greater than 150kHZ, it is the same as the DC coupling limit, less than 150kHZ. | ||
Additional Product Properties:
- Battery Included: No
- High-concerned chemical: None
- IS Battery Demountable: No
- Record Length: 40K
- Model Number: DSO4102C/DSO4202C
- Certification: CE
- Origin: Mainland China
- Real Time Sampling Rate: 1GSa/S
- DIY Supplies: Electrical
- Digital Channels: 2
- HANTEK Model: DSO4102C/DSO4202C
- Display Resolution: 800*480 Pixels
- Display Size: 7 Inches & Above
- Overall dimensions: 385mm*200mm*245mm
- Package: Yes
7. Warranty and Support
Hantek products typically come with a manufacturer's warranty. For specific warranty terms and conditions, please refer to the documentation included with your product or contact Hantek customer support directly. Support may include technical assistance, troubleshooting guidance, and repair services.
8. User Tips
No specific user tips were available from reviews or Q&A for this product in the provided data. For best results, always ensure your probes are properly calibrated and matched to the oscilloscope's settings. Regularly check for firmware updates to enhance functionality and stability.
