Fluid Components International’s precision ST100 Thermal Mass Flow Meter provides superior accuracy combined with digital bus communication flexibility to reduce air flow energy costs. The advanced ST100 Flow Meter’s accurate performance over a wide flow range, ease of installation, low maintenance requirements and digital bus communications versatility, including Profibus PA compatibility, make the meter ideal for precisely controlling the airflow necessary to promote the growth of microorganisms treating the wastewater and to reduce compressed air energy costs. The ST100 Flow Meter with Profibus PA gives wastewater plant engineers excellent device flexibility while providing superior accuracy and reliability in harsh environments.