3 ms·
Sorry, didn't see this. It was just a cheap plug-in one off Amazon, probably cost around £20 or so. It does watts, amps, volts and I think AC frequency too.
by BoxOfRain 5y ago
Sorry, didn't see this. It was just a cheap plug-in one off Amazon, probably cost around £20 or so. It does watts, amps, volts and I think AC frequency too.