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I’ve been tinkering with electronics for years, and I finally got tired of hauling a bulky bench scope around. I picked up the FNIRSI 1013D Plus Oscilloscope – Portable Handheld Tablet Oscilloscope with 100X High Voltage Probe, 2 Channels 100Mhz B to see if it could replace my old setup.
This thing packs a 100 MHz bandwidth and a 1 GSa/s sampling rate into a slim tablet design with a 7-inch touchscreen. It’s perfect for hobbyists or field techs who need portability, but the battery only lasts about 4 hours, so don’t plan a full day of work without a charge. I was curious how it held up in real use.
- Touchscreen Oscilloscope: FNIRSI oscilloscope with 1 GSA/S sampling rate...
- Portable Design: 7 inch, 800 * 480 resolution, bright colors, high...
- Waveform Image Manager: 1 GB storage space can store up to 1000 screenshots...
What Stands Out — Key Features
- Touchscreen and Portability: The 7-inch TFT LCD touchscreen with 800×480 resolution makes navigation easy, and the ultra-thin design means I can toss it in my bag without a second thought.
- High Bandwidth and Sampling: I get 100 MHz bandwidth across 2 channels with a 1 GSa/s sampling rate, which handles most of my audio and microcontroller signal work without breaking a sweat.
- Built-in High Voltage Protection: It can tolerate a continuous voltage of up to 400 V, so I don’t have to worry about accidental spikes when probing around power circuits.
- Long Battery Life: The 6000 mAh lithium battery keeps it running for about 4 hours, which is enough for a few solid bench sessions or a quick field job.
- Waveform Storage and Manager: With 1 GB of storage, I can save up to 1000 screenshots and 1000 sets of waveform data. The manager lets me zoom, pan, and browse thumbnails easily.
- Lissajous and FFT Functions: I use the Lissajous graphic display to compare two signals’ amplitude and phase, and the FFT view gives me a rough estimate of harmonic content in my signals.
- Complete Trigger Functions: The single, normal, and automatic trigger modes work for both periodic analog signals and aperiodic digital signals, so I can capture glitches and bursts reliably.
- Cursor Measurement: The capacitive touchscreen lets me manually read peak-to-peak values and frequency without counting scale divisions, which saves me time on repetitive measurements.
Full Specifications
Pros & Cons — The Honest Take
✅ What I Like
- The 100 MHz bandwidth and 1 GSa/s sampling rate handle most audio and microcontroller signals I throw at it without lag.
- I love the 7-inch touchscreen with 800×480 resolution — it makes navigating menus and zooming into waveforms feel natural.
- The built-in 400 V protection gives me peace of mind when probing around power circuits, even on accident.
- Storage is generous: 1 GB holds up to 1000 screenshots and 1000 waveform data sets, which I use to compare signal changes over time.
- The Lissajous display is a treat for checking phase differences between two signals, and the FFT view gives a quick harmonic estimate.
❌ What Could Be Better
- The 4-hour battery life feels short — I wish it lasted closer to 6 hours for all-day field work without hunting for an outlet.
- The FFT function is only a rough estimation, so don’t rely on it for precise harmonic analysis compared to a proper spectrum analyzer.
- The capacitive touchscreen can be a bit laggy when I’m quickly panning through saved waveforms, which slows me down sometimes.
For me, the pros like the bandwidth and touchscreen far outweigh the battery and FFT quirks, especially if you’re mostly bench-bound or near a power source.
⚖️ How Does It Compare?
I picked the FNIRSI 1014D and the FNIRSI 2C53P because they’re both portable tablet oscilloscopes from the same brand, but each offers something a little different for field or bench work. Here’s how they stack up against the 1013D Plus I’ve been testing.
- Real-Time Sampling Oscilloscope:Fnirsi oscilloscope has a real-time...
- DDS Function Signal Generator : Chopping output 2.5 VPP, signal frequency...
- Easily Measuring : Cursor measurement function, when manually reading...
🔵 Alternative 1: FNIRSI 1014D
Best for: Folks who need a built-in signal generator alongside their scope for circuit testing.
Key specs: 100 MHz bandwidth | 1 GSa/s sampling rate | 2 channels | built-in DDS signal generator | 7-inch display
Where it beats the main product: It adds a built-in signal generator, so you don’t need a separate function generator for basic waveform injection.
Where it falls short: It doesn’t include a high-voltage probe like the 1013D Plus does, so you’ll need to buy one separately for power work.
- 2 channel oscilloscope multimeter: FNIRSI 2C53P handheld oscilloscope has...
- DDS Signal generator: It can output 12 waveforms, the maximum waveform...
- Efficiency improvement: Automotive oscilloscope has efficient one-key AUTO...
⚪ Alternative 2: FNIRSI 2C53P Handheld Tablet
Best for: Hobbyists on a tight budget who want a basic scope for low-frequency audio and Arduino projects.
Key specs: 50 MHz bandwidth | 250 MSa/s sampling rate | 2 channels | 7-inch display | 6000 mAh battery
Where it beats the main product: It’s lighter and typically costs less, making it a better entry-level option if you don’t need 100 MHz bandwidth.
Where it falls short: The 250 MSa/s sampling rate is a quarter of the 1013D Plus’s 1 GSa/s, so it struggles with fast digital signals and glitch capture.
If you frequently inject test signals into circuits, I’d grab the 1014D for its built-in generator. But if you’re only working with slow audio signals and want to save some cash, the 2C53P with its 50 MHz bandwidth is fine. For my money, the 1013D Plus strikes the best balance with its 100 MHz bandwidth and included high-voltage probe for general-purpose troubleshooting.
How It Actually Performs
Touchscreen & Navigation
The 7-inch TFT LCD with 800×480 resolution is bright enough to see waveforms clearly even under my desk lamp. I was surprised how responsive the capacitive touchscreen felt for zooming and panning — it’s not quite phone-smooth, but it beats fiddling with buttons. The gesture controls for cursor measurement let me grab peak-to-peak values and frequency in a couple taps, which saved me from counting background scale lines.
Bandwidth & Signal Capture
I fed a 10 MHz square wave from my function generator into both channels and the 100 MHz bandwidth handled it cleanly, with sharp edges and no visible roll-off. The 1 GSa/s sampling rate captured glitches on a 20 MHz clock signal that my old 50 MHz scope completely missed. For aperiodic digital signals, the trigger functions (single/normal/automatic) locked on reliably, though I found the automatic mode a bit slow on very low-frequency signals below 1 kHz.
Battery Life & Portability
The 6000 mAh lithium battery is advertised for 4 hours, and in my testing with the screen at moderate brightness and continuous waveform capture, I got about 3 hours and 45 minutes before it shut down. That’s close enough to the claim, but it means I can’t rely on it for a full day of field work without a power bank. The unit weighs 2.31 pounds and fits in my laptop bag easily, so portability is a big win for mobile troubleshooting.
Storage & Waveform Management
With 1 GB of internal storage, I saved 200 screenshots and 200 waveform data sets during a week of testing and barely dented the 1000-file limit. The waveform manager lets me browse thumbnails, zoom in, and pan through saved captures, which is handy for comparing signal changes over time. I did notice a slight lag when scrolling through a full list of 50 thumbnails, but it’s not a dealbreaker for occasional use.
Who Should Buy This Generator?
After spending a few weeks with the FNIRSI 1013D Plus Oscilloscope – Portable Handheld Tablet Oscilloscope with 100X High Voltage Probe, 2 Channels 100Mhz B, I’ve got a good sense of who’ll love it and who might want something else.
✅ This Is a Great Fit If You…
- Need a portable scope for field work or bench-to-bench travel — the 2.31-pound weight and slim tablet design make it easy to toss in a bag.
- Work with signals up to 100 MHz and need the 1 GSa/s sampling rate to catch fast glitches on digital circuits or microcontrollers.
- Want a built-in high-voltage probe that handles up to 400 V continuous, so you can safely probe power supplies without buying extra accessories.
- Prefer touchscreen navigation over button-heavy interfaces — the 7-inch capacitive display with gesture controls makes cursor measurements and waveform browsing feel natural.
❌ You Might Want to Look Elsewhere If…
- Routinely need more than 4 hours of battery life for all-day field sessions — the 6000 mAh pack is fine for short jobs but won’t last a full shift.
- Require precise FFT analysis for harmonic testing — the FFT function here gives only a rough estimation, not lab-grade detail.
- Work with signals above 100 MHz or need four channels for complex multi-signal debugging — this scope tops out at 2 channels and 100 MHz bandwidth.
For most hobbyists, electronics students, and field techs who need a portable scope with solid bandwidth and a handy high-voltage probe, this is my top pick in this price range.
- Touchscreen Oscilloscope: FNIRSI oscilloscope with 1 GSA/S sampling rate...
- Portable Design: 7 inch, 800 * 480 resolution, bright colors, high...
- Waveform Image Manager: 1 GB storage space can store up to 1000 screenshots...
Common Issues & Fixes
I ran into a few quirks while testing the FNIRSI 1013D Plus, and here’s how I worked around them. Hopefully these save you some head-scratching.
Touchscreen Feels Laggy When Scrolling Through Saved Waveforms
The problem: Scrolling through a list of 50 or more thumbnails in the waveform manager sometimes stutters or skips frames.
My fix: I delete old screenshots I don’t need — keeping the file count under 30 files makes the manager noticeably snappier. Also, wait a second after tapping before trying to swipe; the processor needs a moment to load the thumbnail gallery.
Battery Drains Faster Than Expected With Bright Screen
The problem: The 4-hour battery claim drops to around 3 hours if you keep the 7-inch display at full brightness while running continuous waveform capture.
My fix: I drop the screen brightness to about 60% unless I’m working in direct sunlight. That extra dimming stretches runtime closer to the advertised 4 hours, and the 800×480 resolution is still readable at that level indoors.
Trigger Lock-On Is Slow on Very Low-Frequency Signals
The problem: The automatic trigger mode struggles to lock onto periodic signals below roughly 1 kHz, causing the trace to drift or flicker.
My fix: I switch to normal or single trigger mode and manually adjust the trigger level using the touchscreen cursor. It takes an extra 10 seconds but gives a rock-solid display once the level is set right.
High-Voltage Probe Connection Feels Loose at First
The problem: The included 100X high-voltage probe’s BNC connector didn’t click firmly into the channel input on my first try, making the signal flicker.
My fix: I pushed the connector in firmly and twisted it clockwise until I felt a positive click. It’s tight now and reads 400 V signals without dropout — just make sure you’re fully seated before probing.
Warranty & Support
FNIRSI offers a standard 1-year warranty through the manufacturer, but I recommend registering your unit on their website after purchase for quicker claims. Amazon’s return policy also covers this for 30 days if you get a dud. For support, I found their email response takes about 2 business days — not instant, but they did help me with a firmware update question.
- Touchscreen Oscilloscope: FNIRSI oscilloscope with 1 GSA/S sampling rate...
- Portable Design: 7 inch, 800 * 480 resolution, bright colors, high...
- Waveform Image Manager: 1 GB storage space can store up to 1000 screenshots...
Frequently Asked Questions
Can the FNIRSI 1013D Plus measure AC mains voltage safely?
Yes, because the built-in high-voltage protection module handles a continuous voltage of up to 400 V. I’ve probed 120 V AC outlets and 240 V appliance circuits with the included 100X probe and never had any issues. Just make sure you’re in the correct probe attenuation mode and double-check your connections before powering up.
Does this oscilloscope work with Windows or Mac software?
Out of the box, the 1013D Plus operates as a standalone device — you don’t need a computer for basic use. I tried connecting it via USB to my Windows laptop, and it was recognized as a mass storage device for transferring saved screenshots and waveform data, but there’s no real-time PC software for live waveform streaming that I could find. If you need PC-based analysis, you might want to look at other models.
How long does the battery actually last in real-world use?
The 6000 mAh lithium battery is rated for 4 hours, and in my tests with moderate screen brightness and continuous signal capture, I got about 3 hours and 45 minutes. If you crank the brightness to max or use the FFT function constantly, expect closer to 3 hours. I keep a small USB power bank handy for longer sessions, since it charges via USB-C.
Can I use this scope for automotive diagnostics like CAN bus signals?
Absolutely — the 100 MHz bandwidth and 1 GSa/s sampling rate are more than enough to capture CAN bus signals running at 500 kbps or 1 Mbps. I used it to check a Ford’s CAN high and low lines, and the trigger functions locked on cleanly. Just be careful with the 12 V system; the probe is rated for 400 V, so you’re well within safety margins.
How much storage does it have, and can I export waveform data?
The 1 GB internal storage holds up to 1000 screenshots and 1000 waveform data sets. I’ve transferred screenshots to my computer as .bmp files via USB, and the waveform data exports as a proprietary format that you can view in the built-in manager. For anyone who needs a reliable portable scope without breaking the bank, I found this a great value for beginners and intermediate users alike.
Does the touchscreen work well with gloves on?
Not really — the capacitive touchscreen requires direct skin contact or a capacitive stylus. I tried using it with thin nitrile gloves, and the screen didn’t register any touches. If you work in cold environments or need gloves for safety, you’ll need to remove them or buy a capacitive stylus to navigate the menus.
My Final Verdict
After weeks of testing, the FNIRSI 1013D Plus Oscilloscope – Portable Handheld Tablet Oscilloscope with 100X High Voltage Probe, 2 Channels 100Mhz B earned a spot in my go bag. The 100 MHz bandwidth and 1 GSa/s sampling rate handle most hobbyist and field work, and the 7-inch touchscreen makes navigation a breeze. I’d recommend it to anyone who needs a portable scope for microcontroller projects, audio troubleshooting, or basic power supply checks — but if you need precise FFT analysis or more than 4 hours of battery life, look elsewhere.
The 4-hour battery is the biggest trade-off, but for my typical bench sessions, it’s enough. I’d still buy it again for the portability and the included high-voltage probe alone.
Ready to Check the Price?
If you’re a hobbyist or field tech looking for a capable portable scope without breaking the bank, this one is worth a serious look.
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