I want to read a 100 AC current signal with high accuracy including its waveform. ACS772 is a big brother of ACS712 is one of my option. Is there other current sensor (non-invasive and invasive) more accurate than this?
You need to define your parameters. What level of accuracy do you NEED?
If you are measuring INSTANTANEOUS values to measure the waveform, how precisely do you need to reproduce the waveform? - that will determine your sample rate
.. and what will you do with all that data?
how accurate ?
have you checked out SCT-013-000 ?
Take a look at the LEM "HOB 130-P/SP1"
Accurate enough sampling rate to detect sine wave up to 3KHz, the fundamental frequency is 60Hz. I use it on FFT.
Some say its error is 1-2% some say 5%
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