![]() ![]() The DSO112 has a square wave function generator from 1 Hz to 1 MHZ (7 steps), but at the ends the square wave falls apart. I am working on making a video but it has been years since I made a video so I have to get some software and learn everything from scratch including getting on YT. I think it is a useful tool (used within specs) and not a toy. Hi I received my DSO112 and it is much better than I expected. Can you provide feedback on the forum after you receive it? I am very keen on ordering one too, but can wait until your feedback Alternatively, you can use an isolated USB interface to remove the ground connection from the USB interface. So if you really want to use it as a floating scope, and without an external differential probe, you have to use the one with built-in battery, and remove the USB cable. Note that when you use it with USB, that it no longer is a floating scope, as the USB connection provides the ground connection, and makes your negative ground. I am not sure if these units on AliExpress can be ordered without battery though. This one on Ebay has no battery: Please consider other sellers on AliExpress, as you can get it already at 48 USD from some sellers. 11201 DSO112 (battery included) 11202 DSO112 (No battery) Battery / USB-powered (not include battery) So when ordering, please select the one without battery. Otherwise they would not offer two product versions, one with battery and one without battery. So I believe that you can operate it without battery, and just power it with USB. ![]() You can order it without battery, if you look into the product number section. devices might be also OK - just my experience in the past with Owon, Tekway/Hantek devices was, that they did not deliver what I expected and the Rigols I purchased always did. and if you have a bit more money available or if you are advanced in electronics, go for the Rigol DS2000 series. With this you will be happy for many years. There is no need to purchase multi-thousand $$ device: a Rigol DS1054Z / DS1074Z is today the best value for money entry scope - and you can h*ck it. You will always need a real scope, so go for one first. Don't get me wrong, they are OK as 2nd (emergency) scope for travelling or a quick check of a PCB at a friends house but I would not quote them a 'measurement tool'. Of course they are better than nothing, but believe me: soon! you will buy a real scope and then you will regret that you did not save your money. ![]() Quote from: Pinkus on May 05, 2015, 10:13:57 am Sorry guys but these scopes are toys in my eyes. ![]()
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