Siemens sentron multifunctional meter pac3100 pac3200 pac4200 siemens 7km4212 0ba00 3aa0 the siemens sentron pac4200 is a feature packed multifunctional meter that is suitable for use in industrial government and commercial applications where basic to advanced metering logging and io is required the meter may be used as a standalone device monitoring over 200 parameters or as part of an industrial control building automation or global enterprise wide monitoring systemadvanced power