Hantek DSO3064 / 6074BE Scopes
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SailorBob your videos helped a lot. I can only imagine the DSO 3064 will act the same. Now I'm thinking of moving away from Hantek and trying to PICO some how. I hate fighting with my equipment. I use a Snapon Modis right now and comparing my experience with the modis to your videos have the hantek, I would rather use a Modis. Thats pretty bad. Disappointed in Hantek. The Modis has been fine minus the not so bright screen and the screen resolution.
If anyone has more experience or find out more faults / fixes / work arounds for these Hantek scopes please post.
@Andy. I don't have the experience with either Pico or Hantek but Pico is a top notch scope. Certainly worth the money. Hantek seems to have its faults and not sure if its worth the aggravation. You can also go ebay and find an older snap on verus or verus pro or even a modis which will all work just fine. I have used the scope on a Verus pro and the scope on the modis and both work really really nice. I might lean toward a verus again for a scope if I can afford the pico.
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- juergen.scholl
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graywave wrote: . The Modis has been fine minus the not so bright screen and the screen resolution.
.
As you probably know the MODIS features a VGA out you can input to an external monitor. This is an excellent way to overcome the display deficiency of the MODIS, as long as you are stationary.
A really great scope for the automotive imo is the USB AUTOSCOPE, a fine 8 channel scope, with integrated ignition scope, pressure transducers and very helpful task-specific scripts. This scope is reasonably prized, esp. when regardi g the transducers the lackage comes with. For some reason or another it doesn't get the attention it deserves.
Here's a link to the producer's homepage, and yes you can buy it in the U.S. directly.
autoscope.eu/home/
An expert is someone who knows each time more on each time less, until he finally knows absolutely everything about absolutely nothing.
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What I'm seeing with it is that the signals are very noisy, even with the 20Mhz bandwidth limiting turned on, and the noise makes using the min / max functions on things like O2 sensors useless. I was also unable to get a stable injector waveform, although I got stable ( but messy ) ignition waveforms.
I'm not really sure if this is just due to the higher analogue bandwidth, or if the scope is defective. Also, the waveform recording / playback doesn't seem to work. So far the only thing better about this than the 1008c is the AC coupling, which the 1008c doesn't have. From my testing I can't see any practical advantage so far, except that maybe I could test 4 fat signals at once, which the 1008 doesn't have the sampling rate for. And it might not accept EM interference as easily as the 1008 since the channels are supposed to be isolated, but I didn't test that.
Here's a short playlist of what I found: www.youtube.com/playlist?list=PL5ZkAEzEb...Wo6N0mmDpB7nBGmWbK0i
Any observations or comments would be welcome.
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- 217oldtimer
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Have you used the USB Autoscope? It looks interesting and price is not bad. I need to look further into it.
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- 217oldtimer
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graywave wrote: Can you reduce the sample rate of the scope? Almost looks like its over sampling the signal. The sample rate should be different than the bandwidth mhz settings.
The only thing it lets you control is the buffer length, between 4k and 64k for a single channel. If you look at the bottom right hand of the display you can see what I think is the sampling rate. It is automatically set based on the time base chosen; for example at 20ms/div it's 12.50KSa, at 1ms/div 250.00KSa, 500us/div 500.00KSa.
I tried setting the bandwidth limiting which is supposed to ignore anything above 20Mhz, and that helped a little, but not much. On the trigger selection it lists, "The user can turn on “HF Rejection” to eliminate trigger higher-frequency (20M above)", so I'll try that when I have a chance, but I doubt it'll make any difference.
This things is either damaged in shipping, defective or just junk, I'm not sure.
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SailorBob wrote:
graywave wrote: Can you reduce the sample rate of the scope? Almost looks like its over sampling the signal. The sample rate should be different than the bandwidth mhz settings.
The only thing it lets you control is the buffer length, between 4k and 64k for a single channel. If you look at the bottom right hand of the display you can see what I think is the sampling rate. It is automatically set based on the time base chosen; for example at 20ms/div it's 12.50KSa, at 1ms/div 250.00KSa, 500us/div 500.00KSa.
I tried setting the bandwidth limiting which is supposed to ignore anything above 20Mhz, and that helped a little, but not much. On the trigger selection it lists, "The user can turn on “HF Rejection” to eliminate trigger higher-frequency (20M above)", so I'll try that when I have a chance, but I doubt it'll make any difference.
This things is either damaged in shipping, defective or just junk, I'm not sure.
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I know there will be issues, maybe I can find some work around for some of the faults it has and help others with it too. I'll give you guys my little review after I use it this weekend on my fathers car.
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I just tried getting secondary ignition waveforms 3 different ways and only 1 way was effective. Using the included secondary capacitive pickup the waveform shark fins some times and other times its a super noisy secondary waveform. I also tried an alligator clamp attached to the outside of the spark wire which works great on the Verus and the Modis, though not safe at all...this doesn't work on this hantek scope either. I get the same shark fin type of waveform. Grabbing primary voltage from the 2 wire coils on my car, I was able to get a nice clean secondary waveform.
I am not disappointed as much as I should be cause I know these scopes absolutely suck so my hopes were not high at all. I'll use it through the weekend, see if I can do any more with it.
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Im curious about the 1008c. Have you scoped CAN signals with it? Also how many channels have you used at one time? I'm just curious if the 8ch scope bogs down when capturing multiple signals
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Basically, it has it's limitations, but you can work around them. It could actually be a pretty great scope if it had decent software.
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Thanks all!
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please inquiries
1- does the software show the voltage and time scales ? i mean for example 10,20,40,...... like seen on picosope software.
2- i haven't used any oscilloscope yet, do you advice me to offer hantek 6074 , what about picosope 2000 series ?
i appreciate your help
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