🔴 FNIRSI DSO-TC3 Component Tester Review - No.1141

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FNIRSI DSO-TC3 Component Tester Review
Watch this followup video: • 🔴 A Surprising Result ...
I review this 3 in 1 tester, it is a component tester, oscilloscope and signal generator, all in a portable package.
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Опубликовано:

4 окт 2024

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Комментарии : 44

@bblod4896 Год назад

A very thorough review. It still doesn't beat the Atlas for component testing but you get what you pay for. Thanks for taking the time to produce the video. 🍻

@raydawson851 6 месяцев назад

If you have the input set to DC coupling do you get better low frequency response? The LF response on AC is limited by the input capacitor

@richmah100 10 месяцев назад

You should buy the oscilloscope probes for using oscilloscope test.

@donjenkins2465 9 месяцев назад

If buy the DSO-TC3 （advanced）model you get the mcx to bnc adapter and a bnc probe.

@craxd1 Год назад

They would really have something if the transistor testing function included a curve tracer, which wouldn't take that much to add today. The problem is, I think, adding a curve tracer function would hurt the sales of stand-alone tracers, which are a rarity in many shops, but very handy to have.

@IanScottJohnston Год назад

@10:23 Vpp on the disp says 0.78V, which is 0.275Vrms, so 0.28V on the disp isn't bad. But if you were inputting 1.0Vrms then the displayed 0.78V is miles of also. Worth sanity checking on another scope.

@TheDefpom Год назад

I’m pretty sure it was because I was ac coupling the scope, so the scopes dc filter was getting in the way

@Krushernl Год назад

I'm into the audio domain so my UNI-T UTGI'm into the audio domain so my UNI-T UTG932E is way overkill. For Oscilloscope I just use my external audio device and some software

@andymouse Год назад

Im looking for a good sig gen for audio stuff any recommendations please ?

@DennisMathias Год назад

That was great! What fun. You know when you said you pulled those transistors from decades ago and pluggged them in and viola..test fine. But the capacitors are always crap. Inductors are fine, usually. But capacitors. We need a moon launch program to learn to make capacitors that don't crap out! Get to work on this. Shoot us a nice review of electrolytics and what kills them! It's the only component I don't trust and always the component that reliably dies.

@BlondieSL Год назад

Nice review, as always. In seeing this function, the component testing side of things sure feels like the little tester that I have. It has the same ziff socket. The test results on the FNIRSI looks identical to the tester I have, only perhaps the firmware is more up-to-date. I actually use my tester often to check/ID components. So this little FNIRSI might be an ok addition to my collection. I did buy the FNIRSI 1013D oscilloscope, making sure I got a real one and not one of those knockoffs. I know that some reviews for it were not the best, but I figured, for the few things I'd like portability for, it would be reasonably ok. I also got a 100:1 probe as I mostly wanted to check waveforms off of our generators and inverters. In doing testing, using several sources, it actually works better than I had thought. So with that in mind, I may pick up the DSO-TC3.

@bblod4896 Год назад

Perhaps match up the generator output impedance with a load of equal impedance. May make for a better signal?

@fjs1111 8 месяцев назад

I am not crazy about these cheap tools because inside them they offer little to no protection for test equipment. But for the price they do serve a purpose, plus this little meter must have a fairly impressive CPU/MPU inside, the scrolling on there was surprisingly smooth. pretty cool!

@bzoli5706 Год назад

Always use your scope in DC mode to see the true waveform! Only in exceptional case switch to AC. That low-frequency squarewave part was a shame for me, as an electric technical teacher in a secondary school. :-( So you may laught only at yourself.

@TheDefpom Год назад

Yea I realised later that I forgot to go back and look at it with DC, still out to end was not as good as it should have been.

@slm60uk Год назад

I got one of these the other day just as a handy tester after watching IMSAI GUY's review & it fits the bill as far as I have been able to see. However, I'm surprised that Banggood didn't send you the "Advanced" version for review. It's the same thing plus a "standard" 100Mhz scope probe & an MCX to BNC adapter. It only cost about 2 quid more & is more or less essential. BTW I was also surprised by your square wave results, but ended up shouting at the screen when I noticed the AC coupling :~)

@TheDefpom Год назад

Yeah I forgot to go back to change to dc coupling

@mal6232 6 месяцев назад

Generally available either with or without a x1 x10 probe..... Banggood cheaped out on you!

@jpvoodoo5522 11 месяцев назад

I was going to buy one of the LCR-TC2 type testers. This would be about 35$ more for one of those mini oscilloscopes. What if anything would the mini scope be used to see?

@filiepmaes9071 9 месяцев назад

With a bnc cable , it works fine

@jj74qformerlyjailbreak3 8 месяцев назад

The signals on mine are ugly under 20Hz as well. That being said they are beautiful after that. Id agree im only using this with audio.

@helmuthschultes9243 Год назад

Your scope is in AC coupled mode ? The input seems to have RC decay, so low freq Sq wave/pulse is losing shape

@TheDefpom Год назад

Yes indeed, when I looked at this later I realised that I never went back to check it with dc coupling.

@soparkarsanjay8676 Месяц назад

Finsri DSO tc3 showing different RDS ON value. I couldn't understand . I calibration 3 times I used 5N65 mos RDS on according to datasheet 2.5 ohms meter shows approximately 0.5 ohms. What must be the problem

@davidl8523 Год назад

Voltage measurements might be off as you are not 50 ohms terminated on either scope. Using the wires might be picking up noise from your room like 50Hz AC; could that be the jitter?

@RainerK. Год назад

No, those devices always have that kind of jitter. Seen a couple of reviews now.

@dipakbhalodia7155 Год назад

Exellent instrument

@DionysRosario Год назад

It seems that it cannot test certain transistors... due to its internal battery voltage. (5V)

@andymouse Год назад

Nice review, regarding audio it's rubbish in rubbish out have you any idea what the noise specs are on the sine output please ?....cheers.

@ideacomes7882 7 месяцев назад

Which firmware version does your one run? My one is V0.3, there are many bugs and in Oscilloscope mode it's always Vrms=Vavg (not the only one bug).

@Kramblueify 9 месяцев назад

Thanks for the review. I am looking for a small decent oscilloscope to test sensors on cars, such as cranshaft sensor, camshaft sensor, oxygen sensor etc etc. Is this good enough to do that do you think ? Thanks

@TheDefpom 9 месяцев назад

Probably not, the scope is a bit of a gimmick really, sure it works but it isn’t something I would use for proper testing.

@robertobertolotti5052 Год назад

Someone has problem after update new fw (0.3), its difficult read components low value

@Hurujuku098 Год назад

Want to ask can test measuring smd component??

@AlexanderLocTruong Год назад

Can it test igbt sir thanks

@luiseduardozambranogalindo4923 4 месяца назад

Compré el t7 y no duró ni media hora se quemó probando zener

@greatalberto-engineering 2 месяца назад

@@luiseduardozambranogalindo4923 Maybe the procedure wasn't right, did you check the manual for possible causes?

@xConundrumx Год назад

The big problem with this device is the 'ZIF' socket ... it's too small for comfortably testing a lot of stuff. Yes I know you could use the hook probes but it's just a pain since the whole point is to be able to just pull this thing out and test something in a minimum of time. Having to faf about with the hook probe cables is just too much of a nuisance (where did I leave the cables, now insert them into the socket for which really they aren't really designed, then hook the probes up ... sheesh stop already).

@ianhaylock7409 8 месяцев назад

They also come with pigtails with clips that allow you to connect larger components.

@stevenbliss989 Год назад

DefPom, I I love your channel, but your idea of "adequately" is very different to mine. That thing is a piece of CRAP!

@TheDefpom Год назад

It is from a hobbyist perspective, but for more technical people or those deeper into the rabbit hole of electronics then it isn’t as useful, maybe just the ic tester would be of use.

@PatchworxStudios 10 месяцев назад

It is good enough for what it is made for. I can visualize the clipping of my car stereo setup or check for signals of for example dishwashers and other low tech stuff.