Turbulence degree

Air velocity in indoor areas directly affects thermal comfort. The turbulence is given as a percentage, calculated from the mean air velocity and air temperature in indoor areas. The turbulence indicates the air velocity fluctuation and intensity of air flow in an indoor area. There is a direct correlation between the air temperature and turbulence measured.

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7 products or recommendations for Turbulence degree
  • testo 400 Universal IAQ instrument

    testo 400 - Universal IAQ instrument

    Order-Nr. 0560 0400

    Price on Request
    • Smart, intuitive measurement programs including HVAC grid measurement as per EN ISO 12599 and ASHRAE 111, PMV/PPD and turbulence as per EN ISO 7730 and ASHRAE 55
    • High-precision, location-independent and integrated differential pressure sensor
  • testo 440 Air velocity and IAQ measuring instrument

    testo 440 - Air velocity and IAQ measuring instrument

    Order-Nr. 0560 4401

    MYR 1794.69
    excl. VAT
    • Intuitive: clearly structured measurement menus for volume flow, degree of turbulence, cooling/heating output, mould detection and long-term measurement, such as CO₂
    • Wireless: Bluetooth® probes for extra convenience when measuring and less cable clutter in the measuring case (please order probes separately)
  • testo 440 dP Air velocity and IAQ measuring instrument including differential pressure sensor

    testo 440 dP - Air velocity and IAQ measuring instrument including differential pressure sensor
     

    Order-Nr. 0560 4402

    MYR 2422.25
    excl. VAT
    • Intuitive: clearly structured measurement menus for volume flow, K-factor, degree of turbulence, cooling/heating output, mould detection and long-term measurement, such as CO₂
    • Wireless: Bluetooth® probes for extra convenience when measuring and less cable clutter in the measuring case (please order probes separately)
  • IAQ data logger for long-term measurements

    IAQ data logger for long-term measurements

    Order-Nr. 0577 0400

    Price on Request
    • Data logger configurable via testo 400 universal IAQ instrument
    • Compatible with probes for measuring the comfort level, turbulence, radiant heat, CO2, CO, illuminance, air flow velocity, humidity and temperature
  • testo 400 IAQ and comfort kit with tripod

    testo 400 IAQ and comfort kit with tripod

    Order-Nr. 0563 0401

    Price on Request
    • Standard-compliant determination of the comfort level: PMV and PPD as well as draught and turbulence as per EN ISO 7730 and ASHRAE 55
    • Monitor the indoor air quality: Determination of CO2 concentration, humidity, air temperature and turbulence in workplaces, including long-term measurements
  • testo 440 Indoor Comfort ComboKit with Bluetooth®

    testo 440 Indoor Comfort ComboKit with Bluetooth®

    Order-Nr. 0563 4408

    MYR 9524.76
    excl. VAT
    • Intuitive: clearly structured measurement menu for long-term measurement and parallel determination of CO₂ concentration, humidity, air temperature and degree of turbulence in workplaces
    • Precise: calculation of wet bulb temperature, dew point and absolute humidity – determination of the degree of turbulence and draught risk according to EN ISO 7730 / ASHRAE 55
  • Turbulence probe (digital), wired

    Turbulence probe (digital) - wired

    Order-Nr. 0628 0152

    MYR 5096.69
    excl. VAT
    • Intuitive: clearly structured measurement menu for determining the degree of turbulence and draught risk according to EN ISO 7730 / ASHRAE 55
    • Precise: compact probe for measuring air velocity and air temperature – high-precision, even at low air velocities
7 results found