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losttool 12-09-2008 07:28 PM

Kill a Watt
 
Has anyone tried a Kill a Watt? I want to compare power usage from different appliances. Is this an accurate meter?:huh:

Winchester 12-09-2008 07:37 PM

I have one and think it's pretty accurate. The only real comparison though I've made is the voltage compared to my fluke (volt meter).

jamiedolan 12-09-2008 07:40 PM

Quote:

Originally Posted by losttool (Post 196142)
Has anyone tried a Kill a Watt? I want to compare power usage from different appliances. Is this an accurate meter?:huh:

It gives very similar readings to my clamp meter, which is not a RMS meter, but should be fairly accurate.

The kill a watt is going to be as accurate as is necessary for any residential application imo.

Jamie

micromind 12-09-2008 10:56 PM

The one I have is very close to the $800 Fluke I use at work. The Fluke was calibrated just a couple of months ago.

Rob

thegonagle 12-10-2008 08:18 AM

I have one, and I think it's pretty accurate (tested against 100 watt light bulbs and 1500 watt heaters), except when measuring less than 10 watts (like when trying to measure the parasitic load from a wall wart, digital cable box, microwave oven clock, etc.).

Yoyizit 12-10-2008 10:05 AM

Quote:

Originally Posted by losttool (Post 196142)
Has anyone tried a Kill a Watt? I want to compare power usage from different appliances. Is this an accurate meter?:huh:

Does it meet published specs for accuracy (if anyone publishes accuracy specs for this)?

losttool 12-10-2008 06:08 PM

Thanks guys, I'm going back to Ebay to get a bargain.

handifoot 12-10-2008 09:35 PM

I just gotta ask, What the heck is a wall wart??

micromind 12-10-2008 09:55 PM

A 'wall wart' is a transformer that plugs into a wall socket.

Cell phone charger, etc.

Rob


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