The consequence is that the scope is pretty useless for making amplitude measurements because you can’t trust that the amplitude at the given frequency is what the gizmo actually tells you it is. Connect the probe clip and probe to two signal lines of communication line, regardless of positive and negative.

GitHub - pecostm32/FNIRSI-1013D-1014D-Hack: Resources GitHub - pecostm32/FNIRSI-1013D-1014D-Hack: Resources

On the 1st of May 2021 a new hack has been made where the configuration for the touch panel has been modified. The short time base trace capture is partially implemented and is still a lot of work to get it all implemented. Beginners are unlikely to recognize the ways in which this thing is lying to them and this is likely to result in frustration when they try to use it for any non-trivial task. Even if it has bandwidth of 30MHz, it’s still a decent tool in my opinion for people who can’t afford anything better. This is the frequency at which the measured value of the amplitude of a sine wave will be 3db lower than its actual value.Therefore, it is enough to test the PWM signal with the 1x gear (both probe and oscilloscope are set to the 1x gear). Cursor measurement function: it is convenient to manually measure the period and frequency and voltage. Dirt-cheap digital scopes have, in my experience, too many issues with aliasing, such that even the cheapest analog scope with one channel is more useful.

FNIRSI 1014D - I Answer Your Questions About The Digital

At this time, it is often said that the voltage of 220V, the effective value of the municipal voltage fluctuates from 180 to 260V, so the peak VPP is in the range of 507-733v 14: Why is the measured voltage of 220V not a standard sine wave, there is distortion? Professionals are very critical in relation to their weaknesses, but I have to defend that not everyone needs a top of the range oscilloscope and for the vast majority of amateurs, this device is more than enough, not requiring a greater investment than the 143€, for the last time I saw on Aliexpress. Fnirsi oscilloscope has a complete trigger function (single/normal/automatic), it can be used freely for both periodic analog signals and aperiodic digital signals.Then connect the computer with the attached USB cable, and the computer will pop up the removable disk or U-disk. Please check whether the probe and signal source are normal with multimeter 3: Why is the voltage value data 0? As I told you before, the available functions are basic, but you still have a functions generator, weak one is true, but it is present and avoids you from spending additional money to have this functionality.