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# FNIRSI 1013D Review: The Tablet Oscilloscope Everyone Starts With

Published 16 Jul 2026 · Category: Review · Web: https://level-floor.bnr.la/blog/fnirsi-1013d-review/

*FNIRSI's best-selling 1013D tablet oscilloscope reviewed: dual channels, a 7-inch touchscreen, 1 GSa/s sampling and 4-hour battery in a device the size of a paperback.*

If the DSO-TC3 is FNIRSI's best-selling gadget, the 1013D is its best-selling oscilloscope — the product that put the brand on hobbyist benches worldwide. It looks like a chunky 7-inch tablet, runs for hours on its own battery, and replaces the knob-farm of a traditional scope with a touchscreen. Now stocked at Tech2Have.


## What is it?


The 1013D is a dual-channel digital storage oscilloscope built for maintenance and R&D work: 100 MHz bandwidth per channel with a 1 GSa/s real-time sampling rate , driven entirely through a 7-inch 800×480 touchscreen. Pinch to zoom the timebase, drag cursors with a finger, and hit the one-key AUTO button to lock onto a waveform — it's the least intimidating first scope there is.


## Using it


The full trigger suite (single / normal / auto with adaptive 25/50/75% levels) handles both periodic analog signals and one-shot digital events. Input range scales with the probe setting — 0–40 V at 1X, 0–400 V at 10X, and up to 4,000 V with a 100X high-voltage probe like the P4100 — behind a built-in high-voltage protection module. Extras you don't expect at this level: FFT viewing, Lissajous display, cursor measurements, peak detection, one-key screenshots and 1 GB of storage for around 1,000 saved waveforms, exportable over USB.


## Battery and portability


A 6,000 mAh battery gives roughly 4 hours of continuous use, and it keeps working while charging — so it moves between the bench, the switchboard and the car without hunting for a power point. This is the scope you grab for field diagnostics and take to a mate's workshop.

> **Note:** Honest expectations: community bench tests (see the EEVblog teardown threads) suggest the usable analog bandwidth sits below the 100 MHz headline figure, and there's no serial-protocol decoding. For audio, power, automotive, MCU-peripheral and general repair work it's superb value; for fast digital-bus debugging, look at a benchtop instrument like the DPOS350P.


## Who should buy it


Anyone who wants a real two-channel scope without a bench to put it on: students learning signals, hobbyists debugging Arduino/ESP32 projects, and field technicians diagnosing power supplies, inverters and motor drives. If you mostly test components rather than watch waveforms, the DSO-TC3 is the cheaper fit; the full range is mapped in our FNIRSI brand guide .

**Q: What's the difference between the 1013D and the 1014D?**

A: The 1014D is the same tablet-scope platform with a built-in DDS signal generator added — worth the step up if you inject test signals as well as measure them.

**Q: Can it measure mains and high voltage?**

A: Yes, with the right probe setting: 400 V at 10X and up to 4,000 V with a 100X probe such as the P4100, behind built-in high-voltage protection. Always use a properly rated probe for mains work.

**Q: Does it replace a benchtop oscilloscope?**

A: For repair, education and general electronics — mostly yes. You give up serial decoding, deep memory and the last stretch of real bandwidth versus a bench instrument, which is why FNIRSI's own DPOS350P exists for heavier work.

*(2 interactive product/price widget(s) omitted — see the web page for live pricing, or the product .md twins linked from https://level-floor.bnr.la/store/products.md.)*

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