FNIRSI DPOX180H Handheld Digital Oscilloscope Dual Channel 180MHz
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Description
FNIRSI DPOX180H Handheld Digital Oscilloscope
The FNIRSI DPOX180H is a cost-effective handheld dual-channel digital phosphor oscilloscope that combines advanced functionality with portability. Designed for professionals and enthusiasts alike, this device is suitable for a wide range of applications in electronics testing and analysis. Whether you’re working in a laboratory environment, conducting field repairs, or engaging in hobby electronics projects, the DPOX180H delivers professional-grade performance in a compact, portable form factor.
Key Specifications
- Dual-channel configuration with 180MHz analog bandwidth
- Real-time sampling rate of 500MSPS
- 2.8-inch IPS full-vision LCD screen with high contrast
- Waveform refresh rate of up to 50,000 waveforms per second
- Vertical sensitivity as low as 5mV
- Built-in 3000mAh battery with approximately 3.5 hours standby time
- Dimensions: 135mm x 90mm x 40mm
FNIRSI DPOX180H Handheld Digital Oscilloscope
The FNIRSI DPOX180H is a cost-effective handheld dual-channel digital phosphor oscilloscope that combines advanced functionality with portability. Designed for professionals and enthusiasts alike, this device is suitable for a wide range of applications in electronics testing and analysis. Whether you’re working in a laboratory environment, conducting field repairs, or engaging in hobby electronics projects, the DPOX180H delivers professional-grade performance in a compact, portable form factor.
Key Specifications
- Dual-channel configuration with 180MHz analog bandwidth
- Real-time sampling rate of 500MSPS
- 2.8-inch IPS full-vision LCD screen with high contrast
- Waveform refresh rate of up to 50,000 waveforms per second
- Vertical sensitivity as low as 5mV
- Built-in 3000mAh battery with approximately 3.5 hours standby time
- Dimensions: 135mm x 90mm x 40mm
- Weight: Lightweight and portable design for field use
Display and Performance Features
The DPOX180H is equipped with a high-quality 2.8-inch IPS full-vision LCD screen that delivers exceptional clarity and contrast, even in challenging lighting conditions. The display utilises advanced digital fluorescent technology to provide clear and vivid waveform representations that make signal analysis intuitive and accurate.
Users have the flexibility to switch between grayscale and colour temperature display modes, allowing them to choose the visualization method that best suits their specific application and personal preference. The colour temperature mode is particularly useful for identifying signal anomalies and understanding signal behavior at a glance.
The oscilloscope’s impressive waveform refresh rate of up to 50,000 waveforms per second ensures that even rare and intermittent signal events are captured and displayed. This high refresh rate is crucial for detecting glitches, transients, and other anomalous signals that might be missed with slower oscilloscopes.
The integrated ZOOM feature provides enhanced capability for analysing digital protocol signals in detail. This function allows users to expand specific portions of the waveform for closer examination without losing the context of the overall signal pattern.
With vertical sensitivity as low as 5mV, the DPOX180H excels at measuring and analysing small signals down to 5mVPP. This exceptional sensitivity, combined with an ultra-high signal-to-noise ratio, fully sealed shielding measures, and stable circuit feedback design, ensures that waveforms are displayed cleanly and clearly, free from unwanted noise and interference.
Advanced Triggering and Signal Analysis
The DPOX180H incorporates sophisticated triggering capabilities that set it apart from basic oscilloscopes. The original adjustable automatic bandwidth limit feature allows users to optimize the oscilloscope’s response for different signal types and measurement scenarios.
The adaptive adjustable trigger suppression is particularly valuable when working with signals that contain significant noise. This feature intelligently filters out noise-related false triggers while maintaining sensitivity to legitimate signal events, making it easier to capture and analyze the signals you’re actually interested in.
The 20MHz hardware bandwidth limit serves as an effective tool for filtering out high-frequency noise that might obscure the signal of interest. This is especially useful when working with lower-frequency signals in noisy environments, as it improves signal clarity and measurement accuracy.
The digital trigger technology provides high precision triggering across three distinct trigger modes: automatic, single, and normal. Each mode is optimized for different measurement scenarios:
- Automatic mode continuously triggers and updates the display, ideal for observing ongoing signals
- Single mode captures a single trigger event, perfect for analyzing one-shot or infrequent events
- Normal mode only triggers when specified conditions are met, useful for capturing specific signal conditions
The oscilloscope demonstrates particular proficiency in capturing periodic signals, burst signals, and complex protocol signals, making it an invaluable tool for digital circuit analysis and troubleshooting.
Integrated Signal Generator
Beyond its oscilloscope capabilities, the DPOX180H features a sophisticated DDS (Direct Digital Synthesis) signal generator that significantly expands the instrument’s utility. This built-in generator eliminates the need for a separate signal source in many testing scenarios, saving both cost and bench space.
The signal generator offers 14 standard function waveforms, covering the most commonly used signal types in electronics testing and development. These include sine waves, square waves, triangle waves, and various other specialized waveforms.
For applications requiring custom signals, the chopping waveform capability allows users to create and store their own arbitrary waveforms. This feature is particularly valuable for simulating real-world signals, testing device responses to specific waveform shapes, or generating specialized test patterns.
The sine wave output can reach frequencies up to 20MHz, providing high-frequency capability for RF and high-speed digital circuit testing. Other waveforms can achieve frequencies of up to 10MHz, more than adequate for most general-purpose applications.
The chopping output function includes storage for up to 500 customized signals, giving users an extensive library of test signals at their fingertips. These stored waveforms can be quickly recalled and modified, streamlining the testing process and improving productivity.
User-Friendly Features
The DPOX180H is designed with practical usability in mind, incorporating features that speed up measurements and simplify operation. The oscilloscope supports three time base modes—YT (traditional time-based display), XY (for phase and frequency relationship analysis), and rolling mode (for very slow signals)—providing flexibility for different measurement scenarios.
Manual cursor measurement capability is available for precise analysis of noisy signals, allowing users to make accurate measurements even when automatic measurements might struggle with signal quality issues.
The efficient one-button automatic adjustment feature is a significant time-saver, automatically configuring the oscilloscope settings to optimally display the input signal. This feature takes only two seconds to measure a standard 1VPP signal at 1KHz, making setup quick and effortless even for less experienced users.
Waveform and screenshot capture is simplified through single key press operation. Users can instantly save the current display for documentation, analysis, or sharing with colleagues. The device offers generous storage capacity for 250 sets of waveform data or 90 screenshot images simultaneously, ensuring you won’t run out of space during extended measurement sessions.
The built-in data browser provides convenient access to all saved waveform data and images. Users can view, zoom, and manipulate saved waveforms directly on the oscilloscope, enabling comparison between different measurement sessions or detailed analysis of captured events without needing to connect to a computer.
Safety and Connectivity
Safety is a paramount consideration in the DPOX180H’s design. The oscilloscope features comprehensive high-voltage anti-burning protection that safeguards the instrument and user from damage, even when measuring high voltages. The device can safely withstand voltages up to 400V across all input settings, providing peace of mind when working with power electronics and high-voltage circuits.
The USB data export functionality enables seamless connectivity with computers, allowing users to easily transfer picture files, waveform data, and perform system firmware upgrades. This connectivity ensures that the oscilloscope can grow with your needs through software updates and integrates smoothly into modern documentation workflows.
The device supports fast charging technology with the included 5V2A power supply, reaching 80% battery capacity in just one hour. This rapid charging capability minimizes downtime and ensures the oscilloscope is ready when you need it, whether you’re moving between job sites or working in locations without continuous power access.
What’s Included
The FNIRSI DPOX180H comes as a complete measurement solution with everything needed to begin testing immediately:
- FNIRSI DPOX180H handheld oscilloscope
- Two matching 200MHz probes with switchable 1X & 10X attenuation
- 5V2A power adapter for fast charging
- USB data cable for computer connectivity
- Comprehensive user manual with operating instructions
The FNIRSI DPOX180H Handheld Digital Oscilloscope represents an exceptional value proposition for professionals and enthusiasts seeking a reliable, portable, and feature-rich solution for signal analysis and measurement. Its combination of advanced capabilities—including high bandwidth, fast sampling rates, sophisticated triggering, and integrated signal generation—with user-friendly design and robust construction makes it an essential instrument for any electronics laboratory, service bench, or fieldwork scenario.
Whether you’re debugging embedded systems, analyzing power supply ripple, characterizing sensors, verifying digital protocols, or teaching electronics principles, the DPOX180H provides the performance and versatility to handle these tasks with professional-grade accuracy. The instrument’s portability doesn’t come at the expense of capability, making it an ideal choice for those who need laboratory-quality measurements in a compact, battery-powered package.
With its competitive pricing, comprehensive feature set, and reliable performance, the FNIRSI DPOX180H stands out as a smart investment for anyone serious about electronics testing and analysis.




























Additional information
| Weight | 0.800 kg |
|---|---|
| Dimensions | 26 × 5 × 9 cm |
| Brand Name | FNIRSI |
| FNIRSI Model | DPOX180H |
| Battery Included | Yes |
| Origin | Mainland China |
| High-concerned chemical | None |
| DIY Supplies | Electrical |
| Digital Channels | 2 |
| Model Number | DPOX180H |
| IS Battery Demountable | No |
| Display Resolution | 320*240 Pixels |
| Certification | CE |
| Real Time Sampling Rate | 500MSa/s |
| Max Waveform Capture Rate | 50, 000wfm/s |
| Band Width | 180MHz |
| Input coupling | DC/AC |
| Rise time | 2.5nS |
| Storage depth | 120Kpts |
| Input impedance | 1MΩ-18PF |
| Vertical sensitivity | 5mV ~ 10V(1X) |
| Time base range | 5nS ~ 50S |
| DC accuracy | ±2% |
| Time accuracy | ±0.01% |
| Measurement range | 40mV ~ 80V(1X) |
| Digital phosphor technology | YES |
| Color temperature display | YES |
| Zoom scaling time base | YES |
| 20M hardware bandwidth limitation | YES |
| Adjustable automatic bandwidth limitation | YES |
| X-Y mode | YES |
| FFT | YES |
| Cursor measurement | Frequency/Period/ Amplitude |
| Trigger detection | Digital trigger |
| Trigger mode | Auto/Single/Normal |
| Trigger edge | Rising/Falling |
| Roll mode | YES |
| Screenshot storage | 90 |
| Waveform storage | 250 groups |
| Capture signal | 500 |
| Parameter measurement | 12 kinds |
| Signal generator | 14 standard function signals |
| Auto-adjustment | YES |
| Waveform manager | YES |
| Waveform output | YES |
| High-voltage burnout protection | YES |
| Screen size | 2.8 inches |
| Display technology | IPS full view |
| Expansion interface | USB transmission interface |
| Auto power-off | 5minutes-2hours |
| Firmware upgrade | YES |
| Charging requirements | 5V 2A |
| Battery capacity | 3000mAh |
| Standby time | 3.5 hours at full charge |
| Dimensions | 135mmx90mmx40mm |











Kaleb W. (verified owner) –
FNIRSI very high quality as always and very good communication with the seller! Recommend 100%
Lucile L. (verified owner) –
Very responsible and honest seller quickly sent this delicate instrument. Unfortunately my country customs held it for 50 days before coming to me which is not the responsibility of the seller. Packed it and protected it in a box with foam so that it would not be damaged.
Ashleigh G. (verified owner) –
The product is great it works well it is packed perfectly the quality of the plastic is excellent. Satisfied with the order.
Florine B. (verified owner) –
Shipped the day I placed the order. The packaging is nice. Answering questions about the seller and product in a short time. Although I used it for hobby purposes it greatly pleased.
Presley K. (verified owner) –
Fast Delivery. Perfect condition.
Bruce G. (verified owner) –
It’s good it’s working. Because this is my first digital oscilloscope I can’t say anything yet.
Henderson H. (verified owner) –
The program must be immediately updated but even in the most recent version there are flaws. In general the device is normal.
Margot P. (verified owner) –
Worked as described fast delivery is plus.
Fern D. (verified owner) –
Just received the item not tested yet looks good thanks.
Joany K. (verified owner) –
Excellent everything very satisfied. Is the second I buy and in this case the new version. The 2 designs are very good but I like this one more. It is very good oscilloscope the tips are very good quality 200MHz 1X and 10X are very good. The screen has good image.
Dortha H. (verified owner) –
The product is nice and well constructed the shipping was somehow delayed due to the black Friday sales but it arrived. It only lacks the feature to dim the display background but overall it is very nice and useful device.
Ignatius B. (verified owner) –
Sometimes it is difficult to take the LVDS signals I do not know if it is a system error or by the probe. I hope it will be fixed in a next update.
Cora G. (verified owner) –
Everything arrived very well packed looks beautiful arrived with all the accessories all great.
Minnie T. (verified owner) –
Excellent!
Keshaun D. (verified owner) –
Good fast shipping.
Georgianna K. (verified owner) –
The goods are as shown. Fast delivery. Good packaged. Works fine. Very good seller.
Kavon H. (verified owner) –
Well received.
Milton S. (verified owner) –
Item arrived in good condition. I have just powered up and down to make sure it is not DOA. I tried a few functions and since it has many functions and settings I need to study them. Yes there is a user guide.
Alize N. (verified owner) –
Excellent service as described good product.
Alvina M. (verified owner) –
Very good!
Alfred H. (verified owner) –
USB storage including firmware upgrade does not work with Linux.
Emmy H. (verified owner) –
Device seems to work well. Nice design handy format. Packed and shipped adequately. Unfortunately the 5V power adapter is not suitable for European market. We have round pins. These pins are square I believe for USA and Japan.
Jerrod K. (verified owner) –
Good seller good product.
Tyra C. (verified owner) –
Of course no real 180MHz performance but for this price this is a perfect little scope. Absolutely fine up to 50MHz. Comparable performance to my much more expensive 50MHz bench-top scope. Very impressed with the included probes! Menus easily accessible straight forward to use even without instructions. Very light weight perfect for the tool bag.
Aglae P. (verified owner) –
For the price what you need. In general combines the capabilities of both analog and digital oscilloscope. Displays exactly what is expected. Autonomous power supply and 5mV sensitivity per cell. But 180MHz are provided only when the second channel is turned off. FFT is purely nominal. But what can you want for $120? For my tasks quite sufficient!
Judy J. (verified owner) –
FNIRSI DPOX180H 2 Channel 180MHz 2-IN-1 Digital Phosphor Oscilloscope
Gerald K. (verified owner) –
Sent quickly and quickly came. The oscilloscope navigation of the buttons is unusual but this is a habit. I hope it will serve usefully. Thank you for the good device.
Joaquin H. (verified owner) –
Quite well many functions and at a good price.
Krystal P. (verified owner) –
When switching colors I failed to notice that the language was also changing. I ordered Portuguese by mistake. At first I thought it was going to be an issue exchanging it but when the vendor pointed out that I could switch it to English anyway I was completely happy.
Lambert P. (verified owner) –
FNIRSI DPOX180H 2 Channel 180MHz 2-IN-1 Digital Phosphor Oscilloscope
Rudy K. (verified owner) –
Fantastic I’m satisfied!!!
Raven Q. (verified owner) –
Positively surprising!
Rhianna S. (verified owner) –
Very good.
Verda L. (verified owner) –
All came whole well packed box and quickly everything works perfectly. I haven’t checked it yet but I think it will work without problems I recommend.
Geovanny S. (verified owner) –
Great device. Thanks.
Georgette S. (verified owner) –
The oscilloscope is amazing I will deal with its capabilities. The delivery is really late thanks to the seller for your support! Honest seller quality product recommend!
Queenie M. (verified owner) –
The unit is well made. It meets its specifications when using 1 channel. Bandwidth will reduce when using 2 channels. See DC offset and some noises on output signals. I would like to see some basic protocol decoders in future.
Ottis S. (verified owner) –
Great little OScope. I needed to look at some Peak to Peak voltages and I didn’t want to dig out my bench OScope. I looked briefly at the signal generation and it seems useful. In the field to troubleshoot it’s been a useful little swiss army knife.
Kattie H. (verified owner) –
Ok.
Ibrahim D. (verified owner) –
Very tidy little unit.
Marcella R. (verified owner) –
FNIRSI DPOX180H 2 Channel 180MHz 2-IN-1 Digital Phosphor Oscilloscope
Malvina M. (verified owner) –
Works as expected. I will note the noticeable mutual influence of the channels. The package is OK. 4 stars for the American power plug.
Hassan H. (verified owner) –
Looks good.
Margarett D. (verified owner) –
Very good.
Chanel N. (verified owner) –
After analog oscilloscopes this FNIRSI replaced both of them.
Missouri W. (verified owner) –
Excellent.
Alden R. (verified owner) –
The oscilloscope is excellent. With the description completely matches. Shipped immediately delivery is fast. I recommend the seller. Excellent Product. Arrived before the estimated time. Recommended 100%!
Selena S. (verified owner) –
Super thing. The only minus is there is no way to set the voltage offset so that zero goes beyond the screen or I have not found how to do it.
Elissa H. (verified owner) –
Excellent equipment very versatile and practical equally good material quality finish and very complete accessories.
Jasen C. (verified owner) –
Is the third I buy I don’t even need to say anything.
Dennis S. (verified owner) –
Correct.
Myron H. (verified owner) –
Very fast shipping extremely good quality very good oscilloscope.
Zion W. (verified owner) –
Serious and very fast seller. The product is of excellent workmanship. Congratulations.
Allison S. (verified owner) –
Excellent all whole. At first glance everything looks good.
Allison W. (verified owner) –
Good 100% product.
Shyanne S. (verified owner) –
Received in 7-8 days which is very appreciated! Overall the quick steps are very well thought out. Comparing with my usual multimeter that measures 5.0V DC I only got 4.64V after calibration. Maybe a firmware update could fix it.
Hayley H. (verified owner) –
My product came late I didn’t test.
Thora M. (verified owner) –
Ok!
Brandt F. (verified owner) –
Excellent Product I recommend it to everyone.
Felicita R. (verified owner) –
The product arrived right everything OK I have already used it and I like it. The only thing that bothers me is that it does not save the last calibration you do. Every time you turn on you have to make basic adjustments such as setting the probe impedance and voltage.
Ahmed K. (verified owner) –
Great product exactly as it is in the ad.
Aaron M. (verified owner) –
All right arrived fast and working perfectly.
Glenda T. (verified owner) –
I have been testing it with the signal generator and it looks very good. The only downside is that there is no version with the language in Spanish.
Ned B. (verified owner) –
Really good oscilloscope for less than 160 USD! Also good quality of included probes.
Drake A. (verified owner) –
Works perfectly.
Isobel S. (verified owner) –
Goods received in very good time. Item in good condition. Well packaged. Recommended seller. Thanks for the business.
Darlene L. (verified owner) –
Received in good condition thank you. I’ll prove it.
Kiana H. (verified owner) –
Product according to the announcement! Perfect packing. State of the art industry. Perfect for cost! I recommend it to everyone!
Blair R. (verified owner) –
The power adapter plug is American not European. Otherwise everything is correct.
Jammie G. (verified owner) –
Manual in Portuguese. Really well portable well finished. 200MHz tips came with charger and cable well packed. Excellent cost benefit. Great precision in my signal generator.
Anastasia D. (verified owner) –
Fastest shipping (7 days) good packaging. Thanks FNIRSI.
Linwood D. (verified owner) –
Excellent product well above the expectations.
Katheryn H. (verified owner) –
FNIRSI DPOX180H 2 Channel 180MHz 2-IN-1 Digital Phosphor Oscilloscope
Maryam R. (verified owner) –
Excellent equipment good measurements an easy viewing screen.
Richard H. (verified owner) –
This is a great and beautiful portable oscilloscope with two 200MHz probes! Before evaluating I left the device in tests for a week. Of the portable models I’ve ever had this is the best! The instrument has a super-sharp color screen and a well-distributed keyboard with intuitive functions. Very easy to handle. The product arrived 100% sealed and packed very well. I recommend the store and the seller.
Aliyah H. (verified owner) –
I ordered yellow but the seller sent a blue one.
Marco P. (verified owner) –
Took some cursory measurements and this device performed as expected pretty accurate as far as voltages and known waveforms.
Garrison G. (verified owner) –
Great little oscilloscope that is easy to use and has the added bonus of the signal generator. The only comment I would make is connecting and disconnecting the BNC connectors is a little fiddly as the socket is recessed quite far. Overall its good A+++
Name W. (verified owner) –
Fast shipping time came to Serbia in less than 2 weeks nicely packaged. Scope works fine signal generator also. Screen is bright and clear even at sunlight. 180MHz is a bit optimistic but till 140MHz it is flawless. All and all for that money its a bargain.
Boris S. (verified owner) –
Just a little attention to detail would have helped. Since the ch1/ch2 traces are the standard yellow and blue you might supply probes that also have these ring colours. Also this unit was supplied with a fully discharged battery.
Helmer C. (verified owner) –
The product is great I buy it for the second time. The seller is good everything is fast and responds quickly! Recommend!!!
Krystina L. (verified owner) –
No problems and works as expected.
Jerod H. (verified owner) –
Good item excellent price and packaging. The fastest international delivery.
Ona O. (verified owner) –
Very satisfied. Great tool for the price. The other cheap oscilloscopes in my opinion are lower-level. The shipment arrived earlier than expected.
Francesco U. (verified owner) –
Works good.
Amir D. (verified owner) –
FNIRSI DPOX180H 2 Channel 180MHz 2-IN-1 Digital Phosphor Oscilloscope
Lilian B. (verified owner) –
Product arrived relatively fast and in perfect condition great acquisition. I recommend it for the hobbyist and those who are starting in electronics and cannot buy expensive equipment.
Johnathan G. (verified owner) –
I did not receive the item but I got the money back.
Imogene G. (verified owner) –
Excellent quality product.
Cecelia C. (verified owner) –
Arrived very quickly packed just super. The menu is very clear the colors are great. I haven’t tried it at work yet but I don’t have enough time.
Rhea P. (verified owner) –
Arrived in 10 days to Ukraine. Added some photos of the comparison with an analog oscilloscope.
Laura K. (verified owner) –
Just arrived very well packaged smoothly. I still have not tested it but it feels solid somewhat heavy and feels excellent quality. The price is really good and it has practically everything – rechargeable and mobile. Do not regret taking it.
Kaia F. (verified owner) –
To be able to calibrate the second test tip in Channel 2 I had to plug the tip into the channel signal generator 1. Watch see and test OK otherwise this is perfect thanks.
Wava T. (verified owner) –
Excellent product fast delivery the parcel was well packed excellent seller 10+++
Earnestine K. (verified owner) –
Super top.
Aurelio H. (verified owner) –
Quick delivery the seller even added a second adapter (EU) because in the set it was different. I just asked the adapter to be EU type. I am very satisfied.
Hettie W. (verified owner) –
Product arrived quickly and worked as described.
Monserrate S. (verified owner) –
It arrived fast to Mexico the device is smaller than expected but it looks very nice. I have not tested yet but seems to comply with manufacturer specifications. Happy with the purchase up to now.
Kian N. (verified owner) –
As described. Seems to be robust has a nice touch. If it came with one box to carry all the pack it would be better. For the price it costs I think this is the minus for this item.
Carl S. (verified owner) –
DPOX180H nice for the price but be aware it radiates RF. Got this for audio work but found out that not so useful when working on FM tuner sections as it radiates a bit of interference. But for other than FM works ok.
Ronald (verified owner) –
Very nice test equipment.
Markus N. (verified owner) –
All products are meeting my expectations. Ordering and delivery went smoothly.
Donald (verified owner) –
Resolution is not the greatest but works for most testing.
Tannenberger R. (verified owner) –
FNIRSI DPOX180H 2-IN-1 Dual Channel 180MHz Digital Phosphor Oscilloscope Signal Generator