On Wed, 08 Mar 2017 05:44:39 -0800, Winfield Hill wrote:

I ordered one from Newark, and plan to use it on my messed-up switching
power-supply designs.
Qualitative results will be fine.

Mine arrived today. I plan to monitor fuel injection impulses with it
firstly just to see what kind of di/dt responses it's capable of. I'm not
quite as confident as you are, though!