The Velleman PersonalScope is not a graphical multimeter but a complete and portable oscilloscope, with the dimensions and at the cost of a good multimeter. Its high sensitivity – max. 5mV/div – and extended scope functions make this unit ideal for hobby, service, automotive and development purposes. The PersonalScope’s favorable price/quality ratio makes it ideal for educational use. You can perform measurements on audio equipment, mains voltage applications, digital signals, all kind of sensors, signal analysis in automotive applications, car stereos, etc… The state-of-the-art RISC processor operating at 20MHz provides the processing power for the ultrafast, fully automatic setup function. Specifications : Maximum sample rate : 10MHz Input amplifier bandwidth : 1MHz (-3dB at 1V/div setting) 1Mohm//20pF (standard probe) Vertical resolution : 8 bit (6 bit on LCD) LCD graphics : 64 x 128 pixels dBm measurements : from -73dB to +40dB (up to 60dB with X10 probe) ± 0.5dB True rms AC measurement : 0.1mV to 80V (400Vrms with X10 probe) 2.5% accuracy Time base : 20s to 2µs / div in 22 steps Input sensitivity range : 5mV to 20V/div in 12 steps (up to 200V/div with X10 probe) Power supply : 9Vdc / min. 500mA adapter Batteries (option) : alkaline type AA or NiCd/NiMH rechargeable (5 pcs required) Battery life : up to 20 hours with alkaline batteries Safety : meets IEC1010-1 600V Cat II, pollution degree 1

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5 Responses to “Velleman 10 MHz Handheld Oscilloscope”

1. James G. Owen says:

   May 19, 2009 at 12:00 am

   Tue 5/19/2009 10:54 am. I got the Velleman HPS10 this morning, and it looks fine. One important point: because it’s relatively inexpensive, people may get it as a first scope, but it’s probably *not* an ideal first scope. Oscilloscopes are complicated and confusing, and digital scopes even more so. I’ve used an analog scope for decades, and yet operation of the HPS10 was *not* immediately obvious.

   I think the HPS10 is a really good second or third scope, primarily because of its portability. Of course, it’s also really cute. … With its limited frequency range, it’s basically for audio and the like, but it looks like it’ll do that fine — and that’s what I wanted….

   Also note: you will need a 9 volt “wall wart” and 5 rechargeable AA batteries; you can’t take advantage of the portability as easily without them. Velleman didn’t include either item, at least with my unit. But they would’ve had to charge for them, and you can probably get them cheaper yourself. But it’s another reason why it’s not an ideal first scope; you have to know enough to get the right wall wart.

   Reply
2. David Knaack says:

   November 18, 2008 at 12:00 am

   For what it is this is a great little device. You aren’t going to get professional quality for this price, but an inexpensive tool like this is indispensable for hobby-level electronics and even some professional audio work.

   I can see the screen just fine, it’s a standard sliver LCD, much like an graphing calculator. I prefer this to the version with the backlight as I find it easier to read in sunlight, and it uses less battery power.

   The many features on the scope are easy to understand if you take the time to read the manual to understand what they are supposed to do, then spend some time working with it in order to learn how and when to use them.

   I would like to have had the serial port feature for saving screen images, but a digital camera works well enough and is probably faster and more portable anyway.

   A second input channel would be nice, but at this price it’s hard to complain.

   Oddly, the plastic that the included probe is made of seems to react with the plastic the casing of the device is made from. If you leave the probe wire in contact with the device it will leave permanent marks. I put a layer of aluminum tape on the side to protect the plastic where I store the cable.

   I have had some trouble with the device not wanting to turn on when it is running on battery. Occasionally it will start making a quiet pinging noise instead of turning on. Holding the reset button makes it stop until the reset button is released, then it keeps going. It will usually turn on though, and it always turns on when it is plugged in. I also find that if I leave it unplugged it will quickly run the batteries down (within a day). Since I usually use it at my desk these issues haven’t been a problem, but they are a minor annoyance. (New batteries or alkaline batteries might help, I’ve still got the original 5 NiMH’s I put in it several years ago.)

   You could buy a second hand analog scope with two input channels and greater precision for around the price of this hand-held unit, but it will be a 20 pound briefcase-sized device that has to be plugged in, and it will have no digital storage scope features.

   For me the digital storage features are a significant attraction of this device. I can capture a transient waveform using the trigger function (for example, the bit stream from a wireless thermometer) and then use the ‘marker’ function to measure the signal timing. I can put it into a very slow scan mode (10 seconds per pixel) and leave it on to monitor a slow event (maybe the voltage output from a solar panel over 12 hours).

   Within very reasonable limits, this device is a great value, and I consider it one of the most useful tools I have had over the last few years. However, it is possible that there newer products available now in this price range with similar features.

   Reply
3. Stanley J. Friesenhahn says:

   October 12, 2008 at 12:00 am

   THIS IS A COMPACT AND INEXPENSIVE OSCILLOSCOPE. UNFORTUNATLY IS IS DIFFICULT TO USE AND THE DISPLAY IS VERY DIM.

   Reply
4. Mad Chick says:

   October 11, 2008 at 12:00 am

   This is a great scope anyone can afford. Simple to use, very accurate and something you can take almost anywhere. Don’t know what’s up with the other reviewers but myself and a lot of online audio forum members really dig this product. A must have for people who care about music and their gear.

   Reply
5. Roman A. Yankov says:

   July 5, 2007 at 12:00 am

   It’s impossible to use this product in professional work.

   Brightness and contrast of display is worst.

   I’m using it as simple tester to see is signal peresent or no.

   Reply