Originally Posted by Dave Henshall

flukes - pah - they would be high enough input impedance as to not affect the circuit, but you really want an avo , proper moving coil meter - have you ever been chasing voltages that dont actually exist with a fluke.... like in you house, neutral to earth - 60 volts says fluke - bollox i say, mr avo confirms - they do tell big fibs sometimes that u need to be aware of.