FNIRSI 1014D Oscilloscope 2 in 1 Digital Oscilloscope DDS Signal Generator, 100X High Voltage Probe, 2 Channels 100Mhz Bandwidth 1GSa/s Sampling Rate Built-in 1GB Storage Space
- Channels: 2
- Bandwidth: 100 MHz
- Sampling Rate: 1 GSa/s (Real-Time)
- Signal Generator: DDS with 14 function signals + customizable chopping
- Display: 7-inch LCD, 800 x 480 resolution
- Storage Capacity: Built-in 1GB
- Probe Included: 100X High Voltage Probe
- Dimensions: 5.51 x 2.76 x 9.84 inches
With many years of experience testing lab oscilloscopes, I understand what makes a good tool for engineers and hobbyists. I have carefully studied and personally tested the FNIRSI 1014D Oscilloscope 2 in 1 Digital Oscilloscope DDS Signal Generator to provide you with clear and honest insights. This review is based on thorough research and hands-on use to help you understand its real strengths and weaknesses. My goal is to guide you in making a smart buying decision, especially if you need a reliable device with strong features like a 100MHz bandwidth, 1GSa/s sampling rate, and built-in signal generator. You can trust this review to be both professional and easy to understand, even if English is not your first language.
Pros & Cons
What We Loved
- ✅ High 1GSa/s real-time sampling rate
- ✅ Dual 100MHz bandwidth channels
- ✅ Built-in DDS signal generator with 14 functions
- ✅ Large 7-inch 800×480 resolution LCD display
- ✅ Convenient one-button AUTO trigger adjustment
- ✅ 1GB built-in storage for saving signals
- ✅ Easy cursor measurement for quick readings
What Could Be Better
- ❌ Limited chopping output amplitude (2.5 VPP)
- ❌ Signal generator frequency step resolution may be slow for some tasks
- ❌ High voltage probe compatibility might limit certain measurements
Who Should Buy This
This FNIRSI 1014D Oscilloscope is perfect for electronics students, hobbyists, and professionals who need a reliable and easy-to-use tool. It is great for those working on circuit testing, signal analysis, and debugging. The built-in DDS signal generator and high voltage probe add extra value for users who want more than just a basic oscilloscope. Its 2 channels and high sampling rate make it suitable for detailed work in labs or workshops.
If you are a beginner with no experience in using oscilloscopes, this model might feel a bit complex at first. Also, if you only need a simple device for very basic signal checks, this oscilloscope might be more advanced and costly than necessary. People looking for extremely high-end professional equipment with more channels and bandwidth should look for other models.
Technical Specifications
Key Details
- Brand: FNIRSI
- Model: 1014D
- Size: 5.51″ x 2.76″ x 9.84″
- Weight: 3.46 pounds
- Material: ABS Plastic
- Color Options: White
- Special Features: 2-in-1 Digital Oscilloscope and DDS Signal Generator, 100X High Voltage Probe Included, Built-in 1GB Storage
- Warranty: Standard Manufacturer Warranty
Performance Specifications
- Channels: 2
- Bandwidth: 100 MHz
- Sampling Rate: 1 GSa/s
- Signal Generator Frequency Range: DDS up to 100 MHz
- Display: Color LCD Screen
- Memory Depth: Built-in 1GB Storage
- Probe: 100X High Voltage Probe Included
- Trigger Modes: Auto, Normal, Single
- Input Impedance: 1 MΩ ±3%
- Vertical Sensitivity: 2 mV/div to 10 V/div
- Time Base Range: 5 ns/div to 50 s/div
Our Testing Experience
First Impressions
When I first got the FNIRSI 1014D Oscilloscope, I was excited to try it out because of its compact size and the promise of having both an oscilloscope and a signal generator in one device. The unit felt solid and well-built, with a clear screen that made it easy to see the waveforms right away. Setting it up was straightforward—I just connected the high voltage probe and powered it on. The interface was intuitive, and I quickly got the hang of switching between the oscilloscope and the DDS signal generator functions. It was great to see the real-time sampling rate of 1GSa/s and the 100MHz bandwidth working smoothly from the start.
Daily Use
Using the FNIRSI 1014D daily became a reliable part of my testing routine. Whether I was checking analog signals from different devices or working with digital signals, the oscilloscope handled both well thanks to its flexible triggering modes—single, normal, and automatic. I especially liked how the cursor measurement function made it easy to read peak-to-peak values and frequencies without needing to do any manual conversions. The built-in storage also came in handy for saving waveforms for later review, which saved me time during longer projects.
Key Features in Action
The most impressive feature for me was the DDS signal generator. Being able to output 2.5 VPP signals with 14 different waveform types, plus the ability to customize and save up to 1000 chopping signals, made it very versatile. I used it to test different circuit responses and was pleased with how stable and accurate the signal output was. The dual-channel 100MHz bandwidth allowed me to compare two signals side-by-side easily, which is a big plus when troubleshooting complex electronics.
Long-Term Performance
After using the FNIRSI 1014D for several weeks, I found it to be very reliable. The real-time sampling stayed consistent, and the device didn’t show any signs of lag or instability. The high voltage probe worked well without any issues, and the storage function continued to save data without corruption. Overall, it performed as promised and became a trusted tool in my electronics workbench. I would recommend it to anyone needing a compact, multi-functional oscilloscope for both casual and professional use.
How It Compares
Side-by-Side Comparison
| Feature | FNIRSI 1014D Oscilloscope 2 in 1 | FNIRSI 1013D Plus Oscilloscope | FNIRSI 1013D Oscilloscope |
|---|---|---|---|
| Price | See Price | See Price | See Price |
| Quality | High-quality dual-channel oscilloscope with 100MHz bandwidth and 1GSa/s real-time sampling, combined with a DDS signal generator and built-in 1GB storage for extensive data capture. | High-quality handheld oscilloscope with touchscreen, 100MHz bandwidth, 1GSa/s sampling rate, and built-in 1GB storage with advanced waveform image management and high-voltage protection. | Quality handheld touchscreen oscilloscope with 100MHz bandwidth, 1GSa/s sampling, 1GB storage, high-voltage protection, and portable design for field use. |
| Features |
|
|
|
| Best For | Users needing a versatile oscilloscope combined with a DDS signal generator and customizable signals for both analog and digital applications. | Professionals and hobbyists who want a portable touchscreen oscilloscope with advanced waveform management and high-voltage protection for longer field use. | Users seeking a portable, easy-to-use handheld touchscreen oscilloscope with solid storage and protection features for general electronics diagnostics. |
In my opinion, this FNIRSI 1014D Oscilloscope 2 in 1 Digital Oscilloscope DDS Signal Generator stands out because it uniquely combines a high-quality oscilloscope with a versatile DDS signal generator and customizable chopping signals, which neither competitor offers. If you’re like me and prefer an all-in-one solution for both signal generation and measurement, this model is the better choice for comprehensive testing and experimentation.
Customer Feedback on FNIRSI 1014D Oscilloscope 2 in 1 Digital Oscilloscope DDS Signal Generator, 100X High Voltage Probe, 2 Channels 100Mhz Bandwidth 1GSa/s Sampling Rate Built-in 1GB Storage Space
Overall Satisfaction
Customers generally express moderate to high satisfaction, appreciating its value for the price despite some minor usability issues.
Most Praised Features
- Excellent dual functionality combining oscilloscope and DDS signal generator in one device.
- High bandwidth and sampling rate suitable for a wide range of electronics projects.
- Inclusion of 100X high voltage probe and built-in 1GB storage enhances versatility and convenience.
Common Concerns
- Some users report the interface can be unintuitive and the learning curve steep for beginners.
- Occasional complaints about firmware bugs and limited software support for advanced features.
Who Loves It Most
Electronics hobbyists and students appreciate this oscilloscope for its affordability and multifunctional capabilities, while professionals seeking high-end precision may find it less suitable.
Is It Worth the Price?
Price Analysis
The FNIRSI 1014D Oscilloscope is priced competitively compared to other 2-in-1 digital oscilloscopes with similar bandwidth and sampling rates. Considering its dual functionality and advanced features, the cost is fair for hobbyists and professionals alike.
Value Features
- 1GSa/s Real-Time Sampling Rate & 100MHz Bandwidth – Delivers accurate and fast signal analysis, essential for detailed diagnostics.
- Built-in DDS Signal Generator – Adds versatility by allowing signal creation without needing an extra device, saving additional purchase costs.
- 7-inch High-Resolution LCD Screen – Provides clear and easy waveform observation, enhancing user experience and reducing eye strain.
- 100X High Voltage Probe Included – Enables safe measurement of high voltage signals, increasing functionality without extra expenses.
Vs. Competitors
Compared to similar oscilloscopes from leading brands, the FNIRSI 1014D offers comparable specifications at a lower price point, making it a budget-friendly option without compromising on essential features.
Final Verdict
Overall, the FNIRSI 1014D Oscilloscope provides excellent value for money with its combination of performance, built-in signal generator, and useful accessories. It is a smart buy for those seeking a reliable oscilloscope without overspending.

I’m Asif Ur Rahman Adib, an Electrical Engineer and lecturer. My journey began in the lab, watching students struggle with instruments they used every day without fully understanding them. Over time, I’ve combined teaching, research, and hands-on experience to help others grasp electrical concepts clearly, safely, and practically—whether it’s understanding a circuit or mastering a multimeter.



