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A real simple question... I'm trying to measure an AC current in the region of 8A. My multimeter is a Major-Tech MT845 - quite old, digital. It has DCV, ACV, DCA, Ohms settings on the dial but no ACA (AC Amps?). I gather I cannot use it then for my purpose?

Here is a picture of my meter.

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Most digital multimeters will read both AC and DC current.  The AC current is read by rectifying the AC signal to give an RMS value for the current.  That being said, I could not find an owner’s manual for your meter.  Just looking at the picture, since it specifically says DCA I would not expect that it could read AC current.  Sorry I could not be more help.

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