Mark that's excellent work and real DIY. The pics are great, but it'll be even more useful for OP (and for my learning and for others as well) if you post one or wiring pics from a different angle.
You can start 3 phase grinder on single phase supply. Check this video in which a user is running it: Youtube Video Link: 3 phase grinder running on single phase
Here is the circuit diagram of a three-phase motor running on single phase using additional capacitors:
I have a lot of experience...
I am looking for a DM with continuity function. Generally, I deal with small solid-state electronics and wires, but 90% of the times I have to perform a continuity test. Which one of the above works better in terms of continuity plus what are their ohm specs for continuity? Will be thankful if...