Wednesday 23 August 2017

Connect 230V AC 50Hz to oscilloscope


this is a noob question but here it is:
How can i connect an osciloscope to the 230V mains power line to see the voltage sine wave ?
- what schematic do i need

- how safe is it ?



Answer



Use a transformer (12V, say), it will be much safer even if your scope will handle the mains voltage.


That particular scope will probably be damaged, DO NOT connect it to the mains! 230 V is the rms voltage, the peak voltage is 230 * 1.412 V.


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