- Auto Scale function to simplify the operation -- Smart design body with easy workplace
- Come with SVGA port to enlarge waveform display -- 8 inch high definition TFT display (800 x 600 pixels)
- 10M record length for each channel -- Auto scale function -- Large 8-inch 800x600 pixels display
- Pass/Fail function 7.SVGA output
- Waveform record & replay
Owon SDS7102 Deep Memory Digital Storage Oscilloscope
|Price:||$359.00 - $548.33|
|Number of Items||1|
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SDS7102 100 MHz Deep Memory DSO with 10 M points memory, 2 channels. New hardware version with standard LAN interface. This model also includes the VGA interface. Includes 2 probes, power cable, USB cable, manual and CD with software.
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The deep storage feature is great, but I was surprised that by default, the storage was set quite small. Also, it seems the deep storage is only available when stopped - like when doing single traces, so if you are triggering Normal, don't expect to be able to access all of it. Also, as you twist knobs to view that extended data, you will be affecting your next capture. This makes it rather inconvenient because you might take a trace, zoom in to look at an area, but then need to get back to your original settings before you can trigger again or you might not see the area you were just looking at. This is really a bug, because they have a "Zoom" menu for the display that should separate the controls and settings between the capture and the view, but they don't seem to be separated.
So far I have not had success with getting the computer control of the scope to work. I went through the setup and have tried a couple times to connect without luck. I will try again in more earnest when I am done with the current project.
When I couldn't remote connect, I did try out saving the display file and have used that. One thing to note is that saved waveforms are really just a save of what is shown on the screen. They cannot be zoomed or moved in any way - so it isn't a saved capture - just a saved picture. It would be nice to be able to name them, but since you can't, be sure to take notes of what you save and the settings so you can make sense of them.
Other things that I don't mention have all worked as expected, so that is why this gets 4 stars.
However, the 2nd time we pulled it out to use it, the triggering functionality stopped working. We tried fiddling with all the settings - input channel, ac/dc, mode (edge, slope etc) all to no avail.
We've ordered and received a replacement, and will be shipping back the first one shortly. In the meantime, I've observed a couple small differences between the two:
1) The feet on the new one has a rubber surface and is designed to sit flat on the table in both vertical and tilted orientations. The old one has plastic feet which don't lay flush against the table.
2) The new one has a 'V' in the serial number which the old one does not, and a higher number (the model number is the same on both including the V). I assume this means it is a newer design iteration, so hopefully it won't have the same issue.
Note that both were purchased from exactly the same item on Amazon, from the same seller, so there must be both types in their inventory.