Hi,
I have a multimeter with an AC Current mode. I know that due to phase shift it may not be accurate to
just measure AC current to get power use...
But how does this typically work out in small device home situations?
For example, I'd like to measure power use of some of my things like my notebook, fan and router and lights etc.
I don't have one of these SaveAWatt meters and cannot get one easily here.
So I'd like to use my AC current meter to check some of these devices usage. Is there a power factor to multiply by that typically gives close enough power usage values? Or is it just 220V * AC Current that gives the closest estimate?
I guess I'm asking if there is somewhere a table of power factors for common household items?
Of interest is fluorescent lights, fans and switching supplies for computer stuff.
Thanks for any input here.
I have a multimeter with an AC Current mode. I know that due to phase shift it may not be accurate to
just measure AC current to get power use...
But how does this typically work out in small device home situations?
For example, I'd like to measure power use of some of my things like my notebook, fan and router and lights etc.
I don't have one of these SaveAWatt meters and cannot get one easily here.
So I'd like to use my AC current meter to check some of these devices usage. Is there a power factor to multiply by that typically gives close enough power usage values? Or is it just 220V * AC Current that gives the closest estimate?
I guess I'm asking if there is somewhere a table of power factors for common household items?
Of interest is fluorescent lights, fans and switching supplies for computer stuff.
Thanks for any input here.
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