FNIRSI 1013D Plus Oscilloscope - Portable Handheld Tablet Oscilloscope with 100X High Voltage Probe, 2 Channels 100Mhz Bandwidth 1GSa/s Sampling Rate 7" TFT LCD Touch Screen

I needed a cheap, portable, “beater” scope to use away from the ‘bench, so I bought this with very low expectations. But I’m actually quite impressed! It isnt a LeCroy, but for 160-ish bucks, its a winner! The best part for me is it can be completely isolated from any ground. Totally self-powered and easily air-gapped to the tune of hundreds of thousands of volts. Of course, the input to the scope’s BNC wont handle more than 40 volts delta without an attenuator probe, so your input differential voltage cant be more than this, but you could hook this up between adjacent windings of a tesla coil and it wouldnt care as long as you had it in a Faraday cage. You CANT do that with a line powered scope, and you DONT want to do this with a $8000 name-brand portable!The user interface is really simple. Nothing but the basics here. Trigger, slope, sweep, volts/division, AC/DC coupling, probe attenuation (1x, 10x, 100x). Thats pretty much it. Nice that it comes with two ea 1x/10x switchable probes and one dedicated 100x probe for up to (allegedly) 4000 v. No, I dont plan on trying it, because it looks kinda manky in the insulation department, but it works a treat on 440 AC! 5/5 stars. Kinda gobsmacked here.

This is a great light weight portable little scope. This is not a $3,000 tech. Scope. At this price it is a great hobby scope. Very nice dual display. Easy to see. The touch display is very simple. Basically put the probe on the test item and touch auto setup. It clicks several times and bingo everything is displayed. It tells you the frequency and P to P and RMS right on the screen. No calculations. I measured my house AC at 124 VAC but the scope said 130 VAC RMS. So this is not a calibration scope. Not sure if there is an adjustment for adjusting the scope to be a little more precise? However if you’re wanting a very small scope that fits in a drawer and lets you see many things this is the best one I have seen. I love it and I have already fixed a friend’s equipment using this little scope. Check your home power with it. Your scope may be better calibrated that the one I got. But it is not a problem for me. I use my multi meter for exact voltage measurements. You will enjoy this little scope.

Great little basic oscope for the money. It's obviously not a high end scope, but is a really great value for the money. Easy to use, display is crisp and clear, does basic things I need it to do. I recommend if you are looking for a nice, small, easy to use scope. I've worked as an electronics technician and surly this is not a $5,000 scope, but it's adequate within its limitations. I am pleased with the purchase.

the interface is a joy to use. battery lasts a long time, and the scope seems well constructed except for a few superficial and imo inconsequential flaws, like the power cable not seating fully in the socket. it's easy to connect it to a computer and download data off of it, as images or .wav files.4 stars instead of 5 only because the manual is poorly translated from Chinese, and the supplied USB cable works for charging but not data transfer (using my own cable, though, data transfer works fine).

Works great diagnosing ignition problems on my car.

I was skeptical about this touch-only scope without any knobs. Ordered it anyway because of the tight bench space. Charmed by it quickly.1. Compact size without sacrificing screen size.2. Rechargeable battery power and compact size makes it very portable.3. Battery power results in exceptionally clean and interference-free waveform.4. Intuitive and responsive touch interfaces.The instructions need improvement though. Took me awhile to figure out how to adjust the time scale: just touch the left or the right side of the waveform screen. Trigger point adjustment was a hit or miss: sometime I was able to, other times it refused and went automatic-only.

Was looking for something that would be quick and easy for simple circuit testing where I didn't have to drag out the "big Boys", my Ol Trusty HP and my "newer" Rigol benchtop scopes. Using the internal test lead calibration testpoint, I found that the scope was off in both frequency and voltage level. tried adjusting the probes, but they were all way off and I couldn't even get them close. I also had trouble getting the unit to trigger. For what I'm doing, this was crucial. My benchtop HP & Rigol had no such issues in my test circuits. I truly wanted to like this scope, but after several days of trying to work around it's issues, I decided to return it and look for something else.

This is the first time I've used an oscilloscope. It was easy to set up and I like the automatic settings, but I also love how easy it is to change the parameters. It's also easy to stop/hold an image and analyze the waveform. I also like the dual-channel feature as it allowed me to see what happens when looking at different parts of a circuit. It's a great tool for a beginner like myself, but I suspect that even a pro would find this a useful tool.