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Upgraded 154-Pro Mini But Complete Oscilloscope
The 154-Pro is quite a bit more more powerful and compact than the old model with some very nice improvements. Higher sampling rate, higher bandwidth, easier operation and wider application range.
It's battery powered so you don't have to worry about ground loops blowing up your scope and you can't get yourself into grounding issues as with larger oscilloscopes of previous eras.
And this handheld oscilloscope has a good amount of flexibility. Usable and surprisingly good for tiny device (like clock signals, PWM, checked for noise, SPI, RC car controller ) , Electrical Engineering Lab course, maintenance of most circuits.
One-handed Use
Easy to place because it fits in your hand. This oscilloscope is super nice for trouble shooting something when you're on trip and have to travel light.
2.4 inch Color Display
With 2.4inch high definition screen, which can let you operate and see the waveform more clearly, give you a better using experience.
PWM Signal Output
This oscilloscope with the PWM square waves output function, 0-80kHz frequency ranges and 0-100% duty cycle.
Universal BNC interface
It meets the demands of instrument bandwidth speed and measurement performance.
Come with Folding Stand
Comes with a stand to keep your hands free
Built-in 1000mAh battery
This mini automotive oscilloscope has a built-in 1000mAh high-quality lithium battery, which can be used continuously for about 5 hours after being fully charged.
George R.
Reviewed in the United States on December 20, 2024
I've had this for just over a year, but I only used it a handful of times. It worked fine for casual measurements up to the advertised bandwidth. I went to use it today, and see that it no longer accepts power from the USB cable. I see that others have had this problem as well. Since it died so early, it really wasn't worth the price, cheap as it was. It doesn't look like there's a way to get any kind of customer support, so avoid this product.12/22 update: I was using the charging cable I use to charge all of my other devices. When I used the cable that was supplied with the 'scope, it responded and charged the battery. I could swear I used the other cable previously.Anyway, I am updating my rating to 5 stars relative to other pocket o'scopes, not in comparison to good or even cheap desktop digital oscilloscopes. This device isn't super sensitive (20 mV/div), so you would need to be aware of that limitation when measuring signals. I checked the bandwidth some time ago, and it tested good up to or close to the 18 MHz bandwidth specified.This would be good for someone starting out in learning electronics or for someone who can't afford more than $40 or so for a 'scope. It is definitely better than having no 'scope at all. Also, it is small and light, so easily fits into a shirt pocket.
Relayer
Reviewed in the United States on September 18, 2023
As an owner of a TinySA and NanoVNA, I'm pleased to own any kind of portable, affordable, and useful piece of test equipment. This handheld oscilloscope is no different.I have used traditional CRT style oscilloscopes for decades. Recently, I picked up an affordable Rigol digital oscilloscope due to its portability. The latter works quite well for the nature of the signals I check on my electronic devices. When I got this handheld unit, I was surprised at how well it works for basic signal checking.The old-style CRT oscilloscopes were great for benchtop work but were terrible to drag around for portable use. The Rigol gave me the portability I desired, but I still had to plug it into an outlet somewhere. This handheld unit isn't as versatile as the Rigol, but it is basically the same as an average hobbyist benchtop CRT oscilloscope to conveniently use on the go.Its built-in battery is fully rechargeable, and it can run off a portable cell phone charge pack if needed. It is only a single channel oscilloscope, but considering its size, you wouldn't even think it needs to be a dual channel. The display is a nice size and with decent enough resolution to be useful. Auto-ranging works well.If I have any complaints about it, it would be the BNC connector appearing to be grotesquely huge for the device. However, using a standard BNC connector makes it completely compatible with probes of any kind for traditional oscilloscopes. I suppose it could be possible for the manufacturer to have made the BNC connector a dongle of flexible wire, but that could cause problems with electrical shielding, possibly allowing external signals to radiate into the dongle cabling, messing up the signal measurements.All in all, it's a great portable oscilloscope for the price. It's NOT a Tektronix, Fluke, or Rigol, or whatever. It's not intended to be. It is a completely portable oscilloscope, versatile enough to use for a majority of signal measurement needs.
Gene Fedorov
Reviewed in the United States on May 29, 2023
I was kind of hesitant to leave a review for this product. On one hand it is a great, compact, well-programmed and feature-rich device which I use very often in my home workshop where I dabble in electronics and small-scale manufacturing. I noticed I use it almost as often as my calipers, which is saying a lot in my case.On the other hand, my workshop is not a clean room -- the airborne particles are sometimes present including, most importantly, metal shavings from the mill and lathe. Every time I was using the ocsilloscope in such environment I was afraid of short circuiting it (or worse, something else with it) because it has an open frame and all electronics lies there completely unprotected. Finally I decided to make an enclosure from HDPE, which you can see on the photo. Since HDPE is a cheap and relatively soft material, I laser-etched the surface to make it more scratch resistant. The inserts for AC/DC switch, power button and USB port were separately milled from some plastic scraps I had lying around in my workshop. Another small insert in the USB port was made from transparent acrylic glass to allow LED light to pass through.Ever since I made these modifications, the usefulness of the device increased substantially. It is now dust-proof, and I'm not afraid of using it in the vicinity of the mill, or putting it in my pocket together with keys, and so on. If it came like this originally, I would praise it and would probably buy at least one more unit just in case, because it is so useful and inexpensive. Otherwise it's four stars. Manufacturer, please take note.One other point of criticism: being so compact I don't think this oscilloscope needs a full-size BNC connector for the probe. Something smaller would work just as well while preserving the pocketability of the device.
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