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Hantek HT6022BE20Mhz 6022be PC Based USB Digital Storage Oscilloscope, 20 MHz Bandwidth
|Price:||$59.99 & FREE Shipping. Details|
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Specifications for this item
|UPC||608641998610 , 799872692023 , 750408651389 , 887662202511 , 787461660201 , 700220341036 , 519085155715|
|EAN||0700220341036 , 6123554614371 , 0887662202511 , 0787461660201 , 0799872692023 , 0608641998610 , 6136797647020 , 6955170834341 , 0519085155715 , 0750408651389|
|Item Weight||1.058 pounds|
|Number of Items||1|
|Specification Met||certified frustration-free|
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Extremely Durable Anodized Aluminum Case Features one USB 2.0 port and the Standard USBXITM interface, No Extra Power Cord Needed, Works with a Laptop or Desktop, Compact size, easy to carry, Supported Windows OS: Windows 2000/NT/XP/VISTA/Windows 7, FFT Saves Waveform on screen in TXT, JPG/BMP, MS Excel/Word formats, Saved waveform files can be sent as email attachments, Channel: 2 Channels Bandwidth: 20MHzShot bandwidth: DC to 20MHzInput Impendence: 1Mohm 25pFMax. Sample rate: 48MS/vertical resolution: 8BitGain range: 20mV-5V, 8StepsDC accuracy: ±3%Time base range: 1ns-9000s, 39 Steps Vertical adjustable: Yes Input protection: Diode clamping-Y: Yes Trigger Mode: Auto, Normal and Single Trigger Slope: +/-Trigger level adjustable: Yes Trigger Type: Rising edge, falling edge Trigger Source: CH1, CH2Pre/Post trigger: 0-100%Sampling selection: Yes Waveform Display: port/line, waveform average, persistence, intensity Network: Open/Close Vertical mode: CH1, CH2, Dual, ADD Cursor measurement: Yes Math: FFT, addition, subtraction, multiplication, division. Cursor: Frequency, Voltage Package Contents:1 x PC BASED USB DIGITAL STORAGE OSCILLOSCOPE1 x S/W and Driver CD2 x Clip Probes1 x User Manual On the CD1 x USB cord Please Note: CD and probe are in the invisible layer of the packaging box. Please check the box if you can't find the CD and the probe.
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Top Customer Reviews
After installing the software on a Windows 7 computer, the main program crashed and kept complaining about "mfc100u.dll". Then I tried the program on a Windows XP computer, the program worked fine.
I sent an email to Hantek support person. They replied and told me that the program was tested on Windows 7. Then I installed the program on a Chinese version Windows 7, the program does works. I suspected they did not test the program on English version Windows 7 (or windows 8). I tried software from CD and downloaded from their website, none of them worked on English version of Windows 7.
Another problem with the scope software is hard to scroll along X-axis. When using a trigger mode, software does not display the signal where a trigger event happens, rather it displays the middle section of total sampled data. The signal part you are interested is out of display area. There is no scroll bar to scroll to left/right to see different part of signals.
I also downloaded their API library and demo program. The demo C source code has programming bugs. Obviously, they did not even test the program. After fixing the programming bugs, I am finally able to call API from my C program to retrieve sampled data.
In summary, this is an entry level PC scope and can be used for basic tests. It would be more useful if they had provided a well written software.
The triggering is poor. It's hard to get a waveform positioned exactly right on the screen.
There is no AC coupling. DC only.
The scope is NOT isolated from USB ground, which on a computer is typically connected to the ground on the wall plug. You cannot connect the ground clip of a probe to (say) line voltage to take a reading. You'll need to either use an isolation transformer, or a laptop running on batteries (not plugged in) to do this sort of thing without blowing something up.
There is no mention in the specs, but it seems that actual input voltage to the scope is limited to 5 volts. This is not surprising, since the USB voltage is 5 volts. So if you use the included 10:1 probe to measure something that is (say) 75 volts, it will read as 50 volts. If you want to measure between 50 to 500 volts, you need a 100:1 probe, not included.
There trace buffer is deep, but the only way to scroll is to drag one screen at a time. This is a software issue, possibly they will add a scroll bar in some future version. There is no equivalent of a "delayed sweep" like on HP scopes, that can magnify a particular portion of a trace. You can stop a trace and magnify the data, but may have to drag through hundreds to screens to get to the part you want.
The software only works on Windows XP and later. It does not load on Windows 2000. If you have Windows 7 or later, you need to go to the Hantek site to get drivers that are not on the included CD. There is OpenHantek software that runs on linux, but it does not support the 6022BE at this time (2013).
Do not expect any support from the manufacturer. Their site is very sparse with English help.
And some positive surprises:
The two included probes are switchable between 1:1 and 10:1, and decent.
I thought the 20 MHz was marketing hype, and was prepared for a 2 MHz scope, but was actually able to observe ringing at about 20 MHz.
It's surprisingly easy to export the screen as either a bitmap file, or comma separated value data file.
The second problem has to do with the installation disc. As it happens, Windows 8.1 requires all software to be digitally signed and this package has expired certification. I went to Hantek site and downloaded the latest update, but it too has expired certification. I sent an email to Kantek support but my email bounced since the link goes nowhere! Anyway, being irritatingly persistent, I looked for a way to disable Windows 8.1 authentication requirements. Thanks to "How-to Geek," I found out how to do this. The link to the article is at the bottom of this post.
Once I finally got the software installed, I was quite happy with the performance of this unit. I am primarily using this scope for audio range (20 Hz to 20 KHz) and with the 20 MHz range, it has quite ample bandwidth for my needs. As I mentioned earlier, I would have given this unit five stars if not for the miserable and non-existent support.
Here is the link to the nicely written step by step instruction to install this software on your Windows 8.1 system.
Have fun. :)
Packaging was somehow peculiar. The small CD and a 10x probe were hidden inside a "secret compartment" made by the folded cardboard box. At first, it was so unnoticeable that I thought disk and probe were missing.