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Pros & Cons
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Functionality
Customers generally praise the functionality of the FNIRSI DSO-TC3 oscilloscope, signal generator, and transistor tester for its clear design and ability to perform as advertised. However, some users note limitations such as not being able to measure Germanium transistors and having less advanced capabilities compared to more expensive models from Tektronix or HP.

Highlights
Quality
Bought this little instrument and the component tester, oscilloscope, and function generator works well.
This product has exceeded my expectations in every way, offering a perfect balance of performance, durability, and style.
Unfortunately mine lacked the mcx male to female bnc adapter needed to connect the scope to it's probe.
The oscilloscope is limited to audio because of its bandwidth.
Price
On top of all that, the value for the price is unbeatable.
Great value for the home hobbyist or professional technician.
It feels like a premium product without the hefty price tag.
I do recommend this little tester as it does alot for the money you spend.
Shipping
Fortunately amazon sent me one and gave me a partial refund, enough to pay for the part but i did lose a few days of testing ti... Read More
Competitiveness
Compared it to another component tester that i have and its almost identical in function.
It does not replace even older tektronix or hp scopes as their function and bandwidth are much more capable.
Overview
- How are reviewers describing this item?
little, easy, found, signal and fine. - Our engine has profiled the reviewer patterns and has determined that there is minimal deception involved.
- Our engine has determined that the review content quality is high and informative.
- Our engine has detected that Amazon has altered, modified or removed reviews from this listing. We approximate total reviews altered up to 8.
- Our engine has discovered that over 90% high quality reviews are present.
- This product had a total of 151 reviews as of our last analysis date on Mar 26 2025.
Helpful InsightsBETA
Posted by a reviewer on Amazon
It feels like a premium product without the hefty price tag
Posted by a reviewer on Amazon
Unfortunately mine lacked the mcx male to female bnc adapter needed to connect the scope to its probe
Posted by a reviewer on Amazon
Fortunately amazon sent me one and gave me a partial refund enough to pay for the part but i did lose a few days of testing time still a bargain
Posted by a reviewer on Amazon
Next time id probably spend more to get more bandwidth
Posted by a reviewer on Amazon
The oscilloscope is limited to audio because of its bandwidth
Posted by a reviewer on Amazon
However its fine for learning electronics and doing quick checks
Posted by a reviewer on Amazon
It does not replace even older tektronix or hp scopes as their function and bandwidth are much more capable
Posted by a reviewer on Amazon
Update 08312023 this is an update to my recent review
Review Count History
Price History
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