Test Equipment by Dwyer Instruments 聽

Test Equipment by Dwyer Instruments

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Dwyer extensive range of test equipment is functional and
specified to many industries. The range includes:

  • The SERIES SAH SMART Air Hood Balancing Instrument is the
    most accurate and easy to operate air flow hood on the market. By using the
    included hood stand and wireless communications to the handheld, a single
    operator can balance a branch in less time than traditional balancing teams. Besides
    being lighter than most traditional capture hoods, the ergonomic design makes
    the Series SAH easy to manoeuvre, with less physical stress. The rugged
    polypropylene base hood features patented Quad Flow Design Technology for
    controlling air flow and minimizing back pressure, which yields superior
    measurement accuracy. The Wi-Fi direct communication gives reliable
    communication with a distance of up to 200 yards (183 m) between the hood and
    the handheld test instrument. The SMART Air Hood Balancing Instrument includes
    the PredictAir™ Application Software which reduces the number of steps in the
    air flow balancing process using Predictive Balancing Express Balance mode.
    Predictive Balancing is a method of predicting the optimal flow set point for
    each register and the order in which they should be adjusted.
  • The SERIES 477AV Handheld Digital Manometer is
    now available with pressure, flow, and velocity measurements along with a
    number of other convenient features. The built-in air velocity and flow calculations
    provide accuracy and conserve time and error associated with manual
    calculations. Also featured on this unit are adjustable zero and span values
    for calibrating in the field, as well as a damping feature to compensate for
    the fluctuating of readings.
  • The SERIES 490A Hydronic Differential Pressure Manometers are
    versatile, handheld, battery operated manometers available in several basic
    ranges for positive or positive differential pressure measurement and can
    tolerate most liquid media compatible with 316LSS. A new feature added to the
    Series 490A is a field adjustable damping, which allows the user to choose the
    level of display averaging rate corresponding to the fluctuation level common
    in many applications.
  • The MODEL 485B Thermo-Hygrometer is a versatile,
    compact, handheld instrument for measuring percentage of relative humidity and
    temperature in F or C. Dew point and wet bulb temperatures are derived from
    the relative humidity and temperature measurements and are displayed on the
  • The MODEL 471B Thermo-Anemometer Test Instrument is
    a versatile dual function unit that quickly and easily measures air velocity or
    volumetric flow as well as air temperature in imperial or metric units. A
    stainless steel probe is included, which has a comfortable hand grip and etched
    insertion depth marks. The extruded aluminum housing fully protects
    electronics, yet is lightweight and comfortable to hold.


  • Commissioning,
    testing, adjusting and balancing volumetric air flow from diffusers, grilles,
    and registers in HVAC systems
  • Duct
  • HVAC
  • Testing
    and balancing
  • Air
    flow monitoring
  • Duct
    static pressure

For more information on Dwyer extensive range of quality
products, please visit their website.

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