aaron kulkis cmiqlkx91hotpopcom james knott wrote aaron kulkis wrote james knott wrote doug mcgarrett wrote friday 15 february 2008 0815 carlos e r wrote thursday 20080214 1206 0500 aaron kulkis wrote im using one httpwwworderconradcomxl1000_1999120012501253125319_ab_05_fb epsjpg would look device needle rather digital readout dont think measure true rms coil needle measured thermal effects cheers carlos e r electronic truerms voltmeters analog readouts example balantine 323 nice big dial would measure voltage drop across known value shunt resistor series load calculate power voltage current ummm talking rms implies voltage current theres thing rms power rms short rootmeansquared ie _______ _ 2 v x rms apply function vs time voltage current power etc since ive done try calculating rms power soon find calculations meaningless purpose rms calculation determine equivalent dc voltage current would produce amount power square voltage current sample effect making instantaneous power calculation pe2r pi2r taking mean power value taking square root average cycle converting back voltage current value rms statistical method useful making sense timevariant function square root square power much related power square root square voltage related voltage power wed 06 aug 2008 110515 0500 opensuse ot much power pc really consume