Mecanum推出全球首款高流量流阻測(cè)試與分析儀HF SIGMA
高流量流阻測(cè)試與分析儀(HF SIGMA:High Airflow Resistance Meter)The high airflow resistance meter (HF SIGMA) is designed to obtain reliable measurements of the airflow resistance, normalized resistance, resistivity, and viscous permeability in function of flow velocit