The DBM 620 Air Flow Meter is a versatile electronic instrument used primarily for taking precise air volume readings from air vents. Its redesigned features optimize air balancing tasks, making it an efficient tool for measuring airflow in various HVAC applications. The device provides accurate readings for air velocity, pressure, and volume, ensuring precise airflow management in commercial and industrial environments.

Technical Data sheet User manual Simplified manual
The DBM 620 Air Flow Meter is the first air balancing instrument to include the Air Changes per Hour (ACPH) metric, offering a unique and valuable feature for accurately assessing airflow efficiency in HVAC systems.
Easily switch between 5 hood configurations. Quickly adapt to different measurement setups for efficient airflow assessments.
SmartKap App. Effortlessly view and export data, simplifying analysis and reporting for enhanced efficiency.
Autonomous Micromanometer Function. Can be used independently with a Pitot tube attachment for precise pressure measurements in airflow applications.
Compact & Lightweight. Smaller and lighter than previous models, offering enhanced portability and ease of use without sacrificing performance.
Extendable Tripod. Eliminates the need for ladders in most environments, making measurements easier and safer in high or hard-to-reach areas.

Measure details

  • Units
    °F, °C, % RH, Pa, m/s, mbar, l/s, hPa, ft/min, m³/h, inWg, cfm
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Measuring ranges

  • Débit (paramètre calculé)
    35.00 m³/h ... 4250.00 m³/h
  • Débit (paramètre calculé)
    10.00 l/s ... 1181.00 l/s
  • Débit (paramètre calculé)
    21.00 cfm ... 2501.00 cfm
  • Vitesse (paramètre calculé)
    0.20 m/s ... 10.00 m/s
  • Vitesse (paramètre calculé)
    39.00 ft/min ... 1969.00 ft/min
  • Température (CTN)
    -20.00 °C ... 70.00 °C
  • Température (CTN)
    -4.00 °F ... 158.00 °F
  • Humidité relative (capteur capacitif)
    0.00 % RH ... 100.00 % RH
  • Pression atmosphérique
    700.00 hPa ... 1100.00 hPa
  • Pression
    -2500.00 Pa ... 2500.00 Pa
  • Pression
    -10.00 inWg ... 10.00 inWg
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Technical details

  • Parameters
    Air velocity
    Airflow
    Atmospheric pressure
    Differential pressure
    Humidity
    Temperature
  • Displays
    No
  • IP Protection
    IP 40
  • Battery life
    30 hours
  • Standards
    UKCA
    2011/65/EU RoHS II
    2012/19/EU WEEE
    2014/53/UE RED
  • Wireless connection
    1
  • Power supply
    4 alkaline batteries LR6 AA 1.5V
  • Protective cover
    No
  • Interchangeable module
    No
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Instrument Dimensions

  • Length
    1 9/16 inches
  • Width
    1 1/2 inches
  • Height
    27/32 inches
  • Weight
    6 13/32 pounds
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Operating temperature

  • Min
    -5.00 °C
    23.00 °F
  • Max
    50.00 °C
    122.00 °F
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Storage temperature

  • Min
    -20.00 °C
    -4.00 °F
  • Max
    60.00 °C
    140.00 °F
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SmartKap Mobile App
SmartKap Mobile App
FAQ - DBM 620
Reach certificate - DBM 620
RoHS certificate