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This unit has been discontinued as of June 30, 2007.
TSI's Model 8385/8385A/8386/8386A VelociCalc® Plus Multi-Parameter Ventilation Meter simultaneously measures and data logs several ventilation parameters using a single probe with multiple sensors. The ventilation meter measures temperature, velocity and pressure. It also features automatic calculation of flowrate and automatic conversion between actual and standard velocity readings. Model 8385 measures velocity with either a thermal sensor or a Pitot tube. The model also measures differential pressure.