The SiMeCa®  is Aire Limpio’s top-of-the-line solution for accurate and repeatable measurement in ducts and plenums. Ruggedized RH sensor option (/H), onboard barometric pressure sensor and velocity-weighted temperature results in accurate relative humidity,  enthalpy and dew point calculations. Ideal for supply, return and outdoor air intake applications on systems with an airside economizer. Bluetooth® low energy technology interface.

  • Thermal Dispersion Airflow Technology
  • Supports up to 16 Sensor Nodes
  • NIST-traceable Calibration
  • %-of-reading Airflow Accuracy
  • Airflow and Status Alarms
  • Velocity-weighted Temperature
  • Output %RH, Enthalpy or Dew Point
  • Three Mounting Styles
  • Remote Transmitter with LCD Display
  • 3-year Warranty



  • Outdoor Air Delivery  Monitoring and Control
  • Differential Airflow Tracking for Building Pressurization Control
  • Airside Economizer Enthalpy Switchover Detection
  • Supply Air Humidity Monitoring and Control
  • DOAS Dew Point Monitoring


  • Comply with ASHRAE Standards and Building Codes
  • Satisfy LEED Prerequisites and Credits
  • Provide Acceptable IAQ
  • Save Energy
  • Reduce Liability
  • Improve Economizer Performance


  • Best Installed Accuracy
  • Low Airflow Capability
  • Volumetric or Mass Airflow Measurement
  • Long-term Stability
  • “Plug and Play” Operation
  • Intuitive User Interface
  • Waterproof Sensor Assembly
  • FEP Plenum Rated Cables

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