flow_from_customer_scfm_<variant> and process_flow_from_customer_<variant>

Measurement for flow from customer in SCFM.

formulas for variant

flow_from_customer_scfm_200 = ft_200_scfm

process_flow_from_customer_scfm_ft200 = ft_200_scfm

process_flow_from_customer_scfm_pullers = PULLER_ADDRESSABLEFLOW_TOTAL