I was quite curious to see the FNIRSI 1C15+ hadheld oscilloscope after last week review of FNIRSI 5012H.
I think it FNIRSIS 1C15+ was lauched somewhere in the start of 2021 and it arrived with real improvements from the FNIRSI 5012H.
FNIRSIS 1C15+ is announced with as a 110Mhz bandwidth and 500MSa/s, no extra bells or whistles.
It didn’t take long to figure out, starting from the outside, that come with some improvements.
The BNC connector is more exposed, allowing better connecting the probe, cable or for example a terminator, you have a square wave output connector and a charging indicator led, this seems obvious, but didn’t exist in the FNIRSI 5012H model
Specifications
| Display | 2.4″ TFT (320×240) |
| Bandwidth | 110Mhz |
| Sampling rate | 500MSa/s |
| Rise time | < 3ns |
| Storage depth | 240Kb |
| Trigger | Auto / Normal / Single |
| Voltage range | 1x 40V / 10x 400V |
| Voltage sensitivity | 20mV to 100V |
| Voltage accuracy | ± 2% |
| Battery | 3000mAh |
The FNIRSI 1C15+ interface is pretty easy to use and other the persistent mode and “reference” feature, that will allow you to compare 2 signals, you don’t have anything special, but, as a oscilloscope, you have everything you might need for waveform analysis.
In terms of the FNIRSI 1C15+ bandwidth, my test concluded that it should be more a 50Mhz oscilloscope than a 110Mhz, the sinewave waveforms at 100Mhz (my Owon XDG2100 function generator bandwidth limit) were jittery and the format was far from perfect . Even so, for a price near the 60€, it’s a pretty good tool.
The voltage accuracy tests using my mV Voltage Reference Board showed that it is quite accurate in voltage detection, even if the manual states that the voltage sensibility is from 20mV to 100V, it was able to identify correctly a 10mV signal.
Conclusion
All things considered, I was a bit impressed with this device.
It is a big improvement over the 5012H and even is not a 110Mhz oscilloscope, you’ll have a 50Mhz”ish” oscilloscope for a very nice price.
You can’t expect to find a lot of features, but has the essentials for working with waveforms and identifying voltages in circuits.
If I wanted to keep my budget under control and for my DIY electronic projects, I surelly buy one of this devices.
If you want to know more about the FNIRSI 1C15+ or buy one, just click in the link: https://geni.us/M82aUr
I have a complete video of this review with teardown also, that you can watch bellow!
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