Originally Posted by Eric Odle
Anyone had any experience with this HK "KV Meter"?
Hobby King K1 RPM-KV meter for BL motors
I've had lousy success with the drill method. I have a wattmeter, tach, and strong LED light. It works but I found I have to be really careful about marking the can or I get pretty erratic readings.
I finally got a meter similar to the one you posed....WAY better. Wish I'd done it a long time ago.