FNIRSI 2C23T Teardown & Hardware Review
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- Опубліковано 30 лис 2023
- First impressions and teardown of the FNIRSI 2C23T Multi-function Multimeter, Oscilloscope and Signal Generator.
If you are working on projects in need of high quality PCBs, head on over to www.pcbway.com/
Thank you to @zoltancsendor5153 who opened his unit (with board version V0.3) and found that the some of the IC’s did not have their IDs erased:
ADC: 3PA1030
FPGA: AG1KLP
MCU: AT32F403A
You can purchase the 2C23T on AliExpress here: s.click.aliexpress.com/e/_oDn...
Manuals and software updates are available here:
www.fnirsi.com.cn/download/digit - Наука та технологія
the thunder caught me off guard but wasn't unwelcome! LOL
Well the thunder is a good reminder as to why input protection is required. The timing of the electrical storm was perfect!
Ordered one a week or so ago.Can't wait!
Excellent, interested to know what you think of it :-)
good job Sir I wait for 2nd part of test. Nice very very nice test.
Thank you. Will try and complete the 2nd part this coming weekend.
+2 subscriber. Cant wait for part 2. good stuff, thanks.
Thank you!
That was a very useful and well-presented review. Thank you.
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21:23 - Discussing need for protection from voltage transients.
21:50 - Background sounds caused by extreme voltage transients.
Ha! Yes I was going to edit that out, then I thought that it was such an amazing coincident to have a thunderstorm at the same time as I was talking about transients - it was meant to be!
Thank you for the compliment. Glad you found it useful
Thanks for the review! I might buy one :)
Thank you for your comment. I do enjoy using mine. Be sure to watch the review I did on the functionality of the 2C23T before you purchase one. All the best.
@@ElectroBananasYT i am half way through it. Thanks again!
Tnx for a very informative test and tear down. I do believe that the standard spacing on DMM test lead is 19 mm and not 20 mm. You also pointed my attention to the MS9280, which I intend to use in a 1 MHz Spectrum analyzer project. Keep up the good work.
Thanks for the correction and your kind comment :)
Nice review, you're a Pro!!!
Glad you liked it! Thank you 🙏
Great review, thanks.
Thank you ☺️ Glad it was helpful!
Thanks for the review. +1 subscriber 😊
Most welcome, thanks for the sub :-)
Превосходное изложение и подача материала !!)) Здоровья и удачи ! Спасибо !!
Thank you for your kind comment. You are most Welcome
Thank you for the review. I wonder how it will be calibrated as I cannot see a terminal to provide a sample square wave?
Thanks for your comment. Please refer to latest review video on the 2C23T where I cover probe adjustment.
Could part 2 please show both channels receiving a signal and whether its possible to adjust each channel to show its signal independently of the other channel. I hope I explained that well. I mean is there only a global adjustment that affects both channels or can each channel be set to its own parameters independently of the other channel.
Certainly, that was on my list of tests. Well understood :-)
Hi, the circular scales with numbers from 0 to 100 on multimeter function (both sides) is working or just aesthetics? Thanks
Yes they do, but not in the early version of the firmware. See my functional review video on this device where I discuss that feature and show you how to update the firmware.
Its so funny that they lasered everything off, but still got all the chips figured out.
Besides who'd wanna copy their designs - for the cost its pointless, just buy and use it, the value is amazing.
Totally agree!
Do you now where to get the PC Software? On there Website is only a blank page under the Link "PC Software".
Please refer to latest review video on the 2C23T where I cover software upgrades.
Great video and very useful indeed. I have bought one of these devices and find it very useful as a general day to day Meter/Oscilloscope, but there is one thing I seem unable to get working on my device..... The photo shows a bar-graph around the voltage display as well as the digital display, but I cannot find out how to get this to work. I can see the digital readout of the display (EG 4.5V), but the illuminated bar-graph does not come on at all. Have you any idea how to get this to work????
It may well be something simple, but I cannot find it.
Many thanks for the great videos, please keep them coming,
Joe
Thanks for your comment, glad you found it useful. I had that issue until I upgraded the software. See my other video on this device (functional and performance review) where I show how to upgrade the software 😊
Many thanks for that, I will look it up and fingers crossed will be up and running in no time. Have a great day and stay safe, Joe@@ElectroBananasYT
Ben yazılımı güncellendi ve sorun giderildi.🎉
Sorununuzun düzelmesine sevindim 👍
Çok teşekkür ederim@@ElectroBananasYT
Thanks! Considering that today. Without XY mode makes it not so interesting though. Maybe get a DSO-TC3
Yes is it a shame XY mode was missed out. As it was in my version of the manual, I wonder if it was originally intended, but then removed as it failed testing. Or, perhaps they are holding that feature back to put in a new version in the future.
Hi, I’m considering purchasing one of these, but was wondering if the one you have still works to see how well it lasts. Could you give an update on that?
Hello, my original unit is working well and I enjoy using it. I accidentally cracked the plastic screen, however FNIRSI sent me a replacement. Other than that all good. I also bought a protective pouch to carry it around in.
Hello, even though I enabled subtitles, the subtitles do not turn on. There is no problem with other videos. Is there anything you should do?
I will look into it my end. Thanks for the feedback.
@@ElectroBananasYT sizin çok bilgili bir usta olduğunuzu düşünüyorum. Abone oldum. Turkiyeden selamlar.
That Casio calculator is classic. #Memories
It certainly is. And keeps going 😅
What is the maximum breaking capacity of the internal fuses?
Hello Alan, the fuses fitted to the 2C23T are 1A and 10A rated.
Is the small adapter called a bnc to banana plug adapter?
BNC to Banana or BNC to 4mm Jack. Depends on the supplier
The probe will have no problem carrying 20A it's just a case of how long!! after all the rating of any conductor is based on the temperature rise limit.
Thanks Alan, yes you are right. Would not like to use those probes with 20A for long!
How do you zoom out on the oscilloscope? I can't find it
Hello, as far as I know you can’t. Not so surprising for a scope meter at this price point.
Есть рабочая прошивка en_2_0_2 ?
Не могу найти, не работает устройство почое не удачной попытки хочу попробовать другую прошивку
Пожалуйста, ознакомьтесь с моим последним обзором 2C23T, где я рассказываю о программных обновлениях
Is it possible to connect an amp clamp to this device
Hello Ashraf, yes it is. If you want to see current waveforms on the scope input, check the type of BNC connector that it comes with. Note that insulated BNC connectors don't fit into the 2C23T (see my section of the video on the supplied probes). You could still use insulated BNC connectors, but you would need to use come type of adaptor or extension to get around the issue. The Hantek CC-65/CC-650 has insulated BNC connectors unfortunately. You could take a look at the Owon CP024 - the BNC are not insulated and would therefore be a good choice. If you need to see current waveforms, then not problem to us clamp that plugs into the volts/ohm input of the multimeter. Just make sure that the current to voltage (ie 1A = 1mV) matches the input sensitivity of the meter. You can use a 1A/1mv probe with the 2C23T. There are many low cost current clamp devices that you could consider such as the HP-605A.
Спасибо за обзор! Это стоящий мультиметр или zeeweii dso3d12 более лучший выбор?
Thank you for your comment! I think we should wait for my next video that will include performance and functional testing.
Тоже выслали посмотрим что там фнирси наваяли, не думаю что это может сравнится со стационарным осликом но для выездных работ неплохой должен быть вариант
I did not notice the FNIRI 2c23t in action as an oscilloscope or meter?
Hello, this video was just a teardown and hardware review, the functional review will be coming out in the next couple of days
Thank you and the FNIRI is very nice.
A fuse rating of 11A is not a recognised standard rating, you should have mentioned that since obtaining replacement fuses may be difficult.
Thanks for the comment. I think you are referring to the section of the video where I introduce typical protection features in a good quality DMM and make reference to the protection circuit used in a Fluke DMM. Fluke commonly use a 11A, 1000V, high energy, fast release and sand filled fuse. These fuses are actually widely available (refer to the Bussmann DMM-11AR as an example). I don’t see an issue obtaining 10A 20x5mm ceramic fuses for the 2C23T.
@@ElectroBananasYT Thanks for your reply, sorry for the confusion and pun! 😁
😊
Just got my Device and tried triggering on single slope. Did not work for me. It triggers automatically on begin of screen draw. Strange. Upgraded to Firmware 2.0.2 from Dec 2023 but no luck. It looks it starts with a value of zero on new line and then jumps to the actual value (5V with small ripple in my case).
Are you in Normal or Auto trigger mode? Also did you try moving the trigger point left/right using the left/right direction buttons?
@@ElectroBananasYT ... I'm trying to use single shot trigger mode and after some testing yesterday I can confirm this mode having a bug. Auto and Normal Modes are working fine! Also I found it to have a relatively high measurement deviation. A reading of 4,6V compared to 5,2V on my Tek Scope calculates an Error of 13% (same Probe used). However: something which could get improved with the next Firmware (I'm currently running V2.0.2)
That's interesting, thanks for sharing that. That is quite a difference!
How do you tolerate the sound you hear when you open your refrigerator door? You should lubricate the hinges of your refrigerator. 😂
You do have a point there! When I do open it I think that I am usually too hungry to care 😉. Some WD40 would sort that👍
Спасибо за обзор!
пожалуйста
where to find firmware updates
www.fnirsi.com.cn/download/digit
I think that you convinced me to this multimeter it looks fine for mobile applications like working in a car for example. You don't need fast oscilloscope to probe signal that ECU uses. But it should be portable.
Yes, the specs of this device are fine for automobile fault finding.
Do you advise me to buy it for 96 dollars? another subscriber
Hello, thank you for your subscription😊 Sorry I can’t really advise you on pricing. Do note that the scope-meter market is becoming increasingly crowded around the $100 area. As of March 2024, I think the 2C23T is still great value and I find mine very useful. However you may want to check what models are available in the market before your purchase. All the best to you.
Mine has V0.3 board, ADC 3PA1030, FPGA AG1KLP, CPU AT32F403A.
Thanks for your comment and the great information 🙏🙏🙏. How did you identify the devices so specifically?
@@ElectroBananasYT I took it apart. The chips IDs are not erased just from only one (multimeter chip?).
That is very interesting. Perhaps they have stopped erasing the chip IDs from now on. That would be a good thing! Thanks again for sharing that information 👍👍. I have added your information to the description.
Mine also came with a V0.3 board and the same 3PA1030 ADCs, also as a bonus channel 1 was non functional, per directions from FNIRSI support I took it apart to check for bad solders on the connector, I've cleaned the board a little, soldered CH1, CH2 and DDS connectors and it looks fine now.
Thank you for the comment. That is quite a surprise. I guess it must be a known issue. Well done for fixing it and thanks for sharing the information 👍👍
Yikes on the "no" instead of "ON".
Agreed!
🙏🏻🎖️🌟🌟🌟🌟🌟
Thank you!
Part 2:
ua-cam.com/video/lUGWGCB6nOQ/v-deo.htmlsi=zDb0w_YdEUjj4N1x
Que es el modo XY ? 🤔
El modo XY en un osciloscopio es una forma de graficar dos señales una contra la otra, una en el eje X y otra en el eje Y, en lugar de graficar una señal contra el tiempo como se hace en el modo normal de dominio de tiempo. Este modo se puede utilizar para examinar la relación entre las dos señales, a menudo para observar diferencias de fase o para visualizar patrones de Lissajous, que pueden indicar relaciones de frecuencia y relaciones de fase. Es particularmente útil en aplicaciones como comparar la fase de dos formas de onda o mirar las señales estéreo de una salida de audio.
El modo XY en un osciloscopio también puede ser utilizado para trazar curvas de características voltaje-corriente (V-I), lo cual es útil para probar componentes pasivos y semiconductores. Al examinar la forma de la curva V-I, se pueden obtener conocimientos sobre el comportamiento del componente bajo prueba, como la resistencia en materiales óhmicos o las características de polarización directa e inversa de diodos semiconductores.
@@ElectroBananasYTgracias por responder y por la buena explicación. He adquirido el mío, me gusta mucho este aparato, pero he notado que el canal 2 en osciloscopio no es 100% preciso y quería saber si hay alguna manera de poder calibrar solo el canal 2 ? 🤔🤔🤔
Como se señaló en mi revisión funcional, encontré que el canal del osciloscopio que no se estaba utilizando para activar tiende a ser inexacto. Creo que este problema es inherente al diseño del hardware y dudo que se pueda hacer algo al respecto. Lo bueno es que el canal utilizado para activar parece ser bastante preciso.
FIrmware please !
Please refer to latest review video on the 2C23T where I cover software upgrades.
@@ElectroBananasYT last 2.0.2
Thank you!