Switch off between readings. 1m length of constantan wire, a metre rule, a low voltage power pack, a voltmeter, an ammeter, connecting leads, a switch, 2 crocodile clips, Sellotape. The ...

You can find his review in the video below. The device is a very fast ammeter and voltmeter. Given that, it is easy to compute energy and, over time, power. The device is set to retail for about $ ...

1m length of constantan wire, a metre rule, a low voltage power pack, a variable resistor, a voltmeter, an ammeter, connecting leads, a switch, 2 crocodile clips, Sellotape. The temperature of the ...