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    HVAC Equipment
    • Champion
    Security
    • American Dynamics
    • DSC
    • Illustra
    • Tyco
    Digital Solutions
    Industrial Refrigeration
    Fire Suppression
    • Chemguard
    • Pyro-Chem
    • RapidResponse
    • Tyco
    Retail Solutions
    Residential and Smart Home
    Building Automation & Controls
    • BCPRO
    • VERASYS
    Fire Detection
    • Autocall
    • CWSI
    • Vigilant
    • Zettler
    Distributed Energy Storage

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      4. Airflow Control

      Complete and Accurate Airflow Control

      Choose What’s Best for You

      Accurate, reliable air flow is a must-have to meet today’s IAQ requirements—especially for the health and comfort of building occupants. But whether it’s a new installation or a retrofit, every project is unique. To suit your needs, we offer two methods to measure and control HVAC air flow: differential pressure and thermal dispersion.

      Accurate

      Choose between differential pressure and thermal dispersion to fit your unique needs.

      Compliant

      Helps you meet IAQ requirements for minimum ventilation.

      Highly Efficient

      Airflow measurement with top-quality performance.
      Ad 1272 advanced thermal dispersion probe airflow measuring system

      AD-1272 Advanced Thermal Dispersion Probe

      For new installations or retrofit applications with cutting-edge technology.

      • Up to 128 sensing points
      • Enables tool-free setup and configuration
      • Standard communication cabling
      Ad 1250 differential pressure air measuring

      AD-1250 Airflow Measuring Station

      An accurate and economical solution for measuring, reporting, and controlling airflow.

      • Easy installation and reduced commissioning time
      • Factory-assembled
      • Multiple airflow sensing probes
      Ad 1251 probe with differential pressure transducer

      AD-1251 Airflow Probe

      Engineered specifically to measure air flow in duct applications.

      • Slip fit mounting provides easy installation
      • Factory-piped DPT with display
      • Horizontal or vertical application
      Ra 1250 thermal dispersion fan inlet sensors airflow measuring system

      RA- 1250 Airflow Measuring System

      Accurate and repeatable measurement with improved fan speed.

      • LCD screen
      • Multiple-pivot hinge design
      • NIST traceable calibration at each sensing point
      Ra 2000 airflow measuring system damper

      RA- 2000 Control Dampers

      The airflow measuring system limits pressure drop through the damper.

      • One-piece construction
      • Airfoil shaped flow sensing blades- 18 inch (457 mm) diameter
      • Formed shroud inserts easily into round ductwork
      Energy Solutions

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      Understanding IP-Based Networks in the BAS Space

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