NOTE:
The "Model 3000 Demo v1.21-LV2023.exe" program allows up to 8 multiple instances of the program to run simultanously.  

When the Model 3000 Demo v1.21 program opens, select 1 to 8 in the numeric labeled "Connect to Meter (1, 2, ... 8)"  to connect to each meter. 

If multiple instances of the program fail to open, make sure the "Model 3000 Demo v1.21-LV2023.ini" file has the entry: allowmultipleinstances = TRUE