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voltage/power/current etc.

E

evilcow

Member
Alright. My goal is to make a multimeter kind of thing.. that can measure the amount of electricity my computer consumes, could tell me the voltage, and how many amps being used at a specific.. time. (so... it's not over a period of time, just at a certain time.) where would i attach such a device.. if i were to mesure this sort of thing? would i have to open up my psu? (it's a 350 watt psu maybe that'll help answer the question!). Thanks.
 
this was already asked here a while ago... and the answer was that radio shack has these things you wrap around ONE of the wires from the wall, and it will tell you the current 🙂

much, much safer than a multimeter!
 
the voltage is 110-115 V, and you would have to hook up a voltmeter parallel to the wires, which would mean splicing them open.
Just live with the 5% uncertainty of the voltage, measure the current inductively (as mentioned by the previous poster), and live to laugh another day.
 
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