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.

11 products or recommendations for Turbulence degree
  • testo 435-2 - Multifunction meter w/ memory and software

    Order-Nr. 0563 4352

    The testo 435-2 multifunction meter is perfect for monitoring, analyzing, and diagnosing indoor air quality, wherever you need to take important IAQ measurements. In addition, you can easily pinpoint and troubleshoot problems with HVAC systems, and immediately see the results of corrections. Commissioning, validating, benchmarking, or simpy adjusting HVAC systems are all easy with the testo 435-2.

    • Built-in memory stores up to 10,000 measurements

    • Optional wireless (RF) temperature and humidity probes for remote measurement

    • Backlit LCD for easy viewing

    • Optional printer allows for easy documenting of measured data

  • testo 445 - Service instrument for air conditioning / ventilation systems

    Order-Nr. 0560 4450

    You can keep a close eye on indoor air quality with the testo 445 climate measuring instrument; this versatile tool can measure up to 6 parameters (with the appropriate probe), which can help you make a professional assessment of indoor air quality. This climate measuring instrument supports you in adjusting and checking ventilation and air conditioning systems.

    • Multi-function climate measuring instrument: measure up to 6 measurement parameters at the same time

    • Internal reading memory for up to 3,000 readings

    • Automatic allocation of the duct cross-section to the measuring location (max. 99 measuring locations)

    • Automatic mean value calculation and determination of the volume flow

  • testo 480 - Digital temperature and humidity meter

    Order-Nr. 0563 4800

    Air flow measurements in ventilation ducts, temperature measurements in laboratories, humidity measurements in production, pressure difference measurements in clean rooms – the testo 480 temperature and humidity meter comes with a wide range of optional sensors that allow you to measure, analyze, and log these and a variety of other parameters with only one device.

    • High quality optional sensors for measuring air flow / temperature / humidity / pressure / degree of turbulence / heat radiation / CO2 / illumination intensity / PMV / PPD / WBGT

    • High precision, integrated pressure difference sensor included

    • Pro-software for easy and efficient analysis and logging included

    • Intelligent calibration concept

  • testo 435-4 - Multifunction meter w/ memory, software, and differential pressure

    Order-Nr. 0563 4354

    The testo 435-4 multifunction meter is perfect for monitoring, analyzing, and diagnosing indoor air quality, wherever you need to take important IAQ measurements. In addition, you can easily pinpoint and troubleshoot problems with HVAC systems, and immediately see the results of corrections. Commissioning, validating, benchmarking, or simpy adjusting HVAC systems are all easy with the testo 435-4.

    • Integrated differential pressure measurements for flow velocity

    • Optional wireless (RF) temperature and humidity probes for remote measurement

    • Backlit LCD for easy viewing

    • Built-in memory stores up to 10,000 measurements

  • Comfort level probe

    Order-Nr. 0628 0143

    Comfort level probe

    • Turbulence measurement in accordance with EN 13779

    • Determination of air velocity and draught risk

    • Integrated temperature and ambient pressure measurement

    • Intelligent calibration concept

  • Comfort level probe for degree of turbulence measurement

    Order-Nr. 0628 0109

    Comfort level probe for degree of turbulence measurement with telescopic handle (max. 32 in.) and stand, meets DIN 1946 Part 2 requirements

    • Turbulence measurement in accordance with EN 13779

    • Non-directional flow measurement

    • High level of accuracy even at low flow velocities

    • Integrated temperature measurement

  • testo 440 - Indoor comfort ComboKit with Bluetooth

    Order-Nr. 0563 4408

    This testo 440 kit is great for evaluating indoor air quality and determining draft risk and degree of turbulence in workplaces. The testo 440 air velocity and IAQ measuring instrument and its CO2 probe with humidity/temperature sensor and turbulence probe can all be safely stored in the included case.

    • Intuitive: Clearly structured measurement menus 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 draft risk according to EN ISO 7730 / ASHRAE 55

    • Convenient: Wireless probes, internal memory for data storage, and USB port for data export

    • Versatile: Your testo 440 setup can be expanded with a large selection of digital probes

  • Turbulence probe (digital) - wired

    Order-Nr. 0628 0152

    For determining the degree of turbulence and draught risk at workplaces: use the turbulence probe (with the compatible measuring instrument) to measure air velocity and air temperature.

    • 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

    • Convenient: optional measuring tripod to ensure standard-compliant positioning of probes

    • Intelligent calibration concept

  • testo 440 - Air velocity and IAQ measuring instrument

    Order-Nr. 0560 4401

    Precise, reliable measurement of all air velocity and IAQ parameters with just one measuring instrument – the testo 440. This multifunction measuring instrument is intuitive and easy to use, thanks to its clearly structured measurement menus. Adjusting air conditioning and ventilation systems, monitoring air quality, and carrying out comfort level measurements are all possible without the hassle of juggling different devices and tools. Enjoy the versatility of using your choice of high quality digital probes with just one measuring instrument.

    • Intuitive: Clearly structured measurement menus for volume flow, degree of turbulence, heating/cooling output, mold detection, and long-term measurement, such as CO2

    • Wireless: Optional Bluetooth probes for extra convenience when measuring, and less cable clutter in your instrument's case (probes sold separately)

    • Clear Overview: Large graphic display with parallel display of 3 readings

    • Reliable: Internal memory for data storage and USB port for data export

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

    Order-Nr. 0560 4402

    Precise, reliable measurement of all air velocity and IAQ parameters with just one measuring instrument – the testo 440 dP. This multifunction measuring instrument is intuitive and easy to use, thanks to its integrated differential pressure sensor and clearly structured measurement menus. Adjusting air conditioning and ventilation systems, monitoring air quality, and carrying out comfort level measurements are all possible without the hassle of juggling different devices and tools. Enjoy the versatility of using your choice of high quality digital probes with just one measuring instrument.

    • Intuitive: Clearly structured measurement menus for volume flow, K factor, degree of turbulence, heating/cooling output, mold detection, and long-term measurement, such as CO2

    • Wireless: Optional Bluetooth probes for extra convenience when measuring, and less cable clutter in your instrument's case (probes sold separately)

    • Clear and Reliable: Large graphic display with parallel display of 3 readings, as well as internal memory for data storage and USB port for data export

    • Includes a differential pressure sensor for pitot tube measurements and monitoring filters

11 Products found