Can I use two (or more) CM3 hooked up to the same PC and have their traces in one cloud graph window fully synchronized? One CM3 would have to be placed some 20 m away. There are 20 m USB cables available which have repeaters built in. Experience anyone? What if I connect the near one by USB and the...

I measure 8 A when my appliance is on. When it is switched off, the CM3 goes down to 2 A in 30 seconds, then from 2 A to 1 A in another 30 seconds. Thereafter down to whatever the CM3 thinks should be zero is asymptotic. This is starkly nonlinear behaviour. I read in other posts that picolog knows t...