100 Mhz DSO for 137$ - Page 1
Forum section: electronics / testgear

author: Ghanou
author_rank: Contributor
timestamp: August 05, 2020, 02:29:48 am
content: uhm is this real , a bench DSO with a 100Mhz bandwidth for a 100 bucks, i can't seem to find any reviews or anything, anyone tried any of this company's products?https://www.aliexpress.com/item/32976503918.html?spm=a2g0o.store_home.productList_15658723.subject_0

author: tautech
author_rank: Super Contributor
timestamp: August 05, 2020, 04:53:12 am
content: Quote from: Ghanou on August 05, 2020, 02:29:48 amNo that's the price of the 25 MHz model plus shipping costs.The fact that MCH (that I've dealt with a bit) don't disclose the memory depth indicates it's likely very small which dramatically limits the real power of a DSO.EditSorry yes $137 is the 100 MHz model price.

author: Fungus
author_rank: Super Contributor
timestamp: August 05, 2020, 05:48:42 am
content: Quote from: tautech on August 05, 2020, 04:53:12 amThey disclose the memory depth on their web site:http://china-mch.com/digital-scope/digital-storage-oscilloscope-.html

author: Ghanou
author_rank: Contributor
timestamp: August 05, 2020, 06:32:14 am
content: Quote from: tautech on August 05, 2020, 04:53:12 amwhat was dealing with them like? what equipement did you get? how was the quality?

author: ataradov
author_rank: Super Contributor
timestamp: August 05, 2020, 07:58:57 pm
content: At 10 kpts of memory this scope is basically the same as those FNRSI handhelds in a more scope-like case.It is probably not that bad for $137. But if you add $40 shipping, it gets a bit less attractive.

author: CDaniel
author_rank: Frequent Contributor
timestamp: August 05, 2020, 08:46:38 pm
content: And probably like FNRSI has various firmware bugs that won't be solved ...

author: rf-loop
author_rank: Super Contributor
timestamp: August 06, 2020, 03:15:41 am
content: Quote from: Fungus on August 05, 2020, 05:48:42 amThey put this 10k memory depth to even sales AD main image. Not hiding at all.Someone told about FNIRSI what is NOT 1GSa/s at all and NOT 100MHz at all but manufaturer do not even try correct this lie, they just do not care. This FNIRSI claim is total scam. My prediction is that just after FNIRSI boys find other source for fund living they run.. or after government shut off this scam what also is tiny part of players what totally damage China reputation as source of electronics etc, after some years no one remember these. First they start them selves self destroy by starting total false information about products. Direct brutal lies every place. And price do no overwrite it and forgive. After that day they have been and are in scammer class. Period.But as many times told, 10k or 32k or something like it is totally small memory even when some old Tektronix model had 2,5k and so on.But of course it depends highly about user needs. All peoples do not need long memory at all. It depends for what he is using oscilloscope.Btw it is fun to see this MCH model have also Li Battery version for 3 hours run with battery.But here is one AD image from Tmall. (domr kind part of Taobao)This price looks first quite impressive... roughly 110 Euro. Of course these prices include inside China taxes so they are not Export prices.But it need note that it have small low resolution display. 320x240. Like old Rigol 1000E.But, it is 100MHz 2 channel 1GSa/s tabletop scope. Mostly enough example for repair service simple electronics.

author: ataradov
author_rank: Super Contributor
timestamp: August 06, 2020, 03:23:30 am
content: Well, the original aliexpress link lists it as "Record Length: 1M", and there are a couple more that claim even more.I would like to see any sort of independent performance measurements on this scope before I even think about buying it.

author: rf-loop
author_rank: Super Contributor
timestamp: August 06, 2020, 04:58:38 am
content: Deleted... I found now some so strange things in Aliexpress and some other nonamed places that it is best that I do not say more now. If I have any interest later I can look bit more deep what is what. First I find some very weird thing in some model names... so it was best delete whole message than start correcting things and wrong info.This is Real genuine MCH Instruments CO.m Ltd.http://www.china-mch.com/https://mch.en.alibaba.com/And this is also checked by chinese speaking person with phone call.(Also my previous image from Tmall I believe is quite trusted with around same info as genuine MCH give.)