Pressure and air flow

Pressure plays an important role as a measurement parameter in air conditioning, ventilation and refrigeration technology. Our range of measuring instruments goes from absolute and differential pressure measuring instruments, through digital manifolds, to vacuum gauges and leak detectors. In addition to differential pressure measuring instruments, you can also use our anemometers or multifunction measuring instruments to measure air flow velocity – the latter are also suitable for analyzing indoor air quality.

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136 products or recommendations for Pressure and air flow
  • testo Smart Probes AC & Refrigeration Test & Load Kit Plus delivery

    testo Smart Probes AC & refrigeration test kit plus

    Order-Nr. 0563 0002 41

    • Application-specific measurement menus for superheating/subcooling, target superheat, heating/cooling power
    • More than 90 common refrigerants plus refrigerant updates in the testo Smart App
  • testo Smart Probes AC & Refrigeration Test Kit delivery

    testo Smart Probes AC & refrigeration test kit

    Order-Nr. 0563 0002 10

    • Application-specific measurement menus for superheating/subcooling
    • More than 90 common refrigerants plus refrigerant updates in the testo Smart App
  • testo 552

    testo 552 - Digital vacuum gauge with Bluetooth®

    Order-Nr. 0560 5522

    • Measurement data monitoring via testo Smart App
    • Measurement data dispatch via testo Smart App
  • testo 425

    testo 425 - Digital hot wire anemometer with App connection

    Order-Nr. 0563 0425

    • Simple, fast and precise flow and temperature measurement plus volume flow calculation in the ventilation duct
    • More flexibility for duct measurements with the cable-connected telescopic probe (maximum length 820 mm)
  • testo 405i German Design Award

    testo 405i - thermal anemometer with smartphone operation

    Order-Nr. 0560 1405

    • For measuring volume flow, air velocity and temperature
    • Simple configuration of the dimension and geometry of the duct cross-section for determining the volume flow
  • testo Smart Probes HVAC/R Ultimate kit

    testo Smart Probes HVAC/R Ultimate kit

    Order-Nr. 0563 0002 32

    • For all measurements involving heating, air-conditioning, refrigeration and ventilation systems
    • All Smart Probes for temperature, pressure, humidity and flow in one kit
  • testo Smart Probes VAC Kit delivery

    testo Smart Probes VAC kit

    Order-Nr. 0563 0003 10

    • Measurement of air and surface temperature, humidity, air velocity and volume flow
    • Measurement menus for volume flow measurement in ducts and at outlets, identification of mould risk, easy image documentation including IR temperature reading and measurement spot marking
  • testo 190 P1

    testo 190-P1 - CFR Pressure data logger

    Order-Nr. 0572 1900

    • High-precision monitoring of absolute pressure in the 1 mbar to 4 barabs range
    • Durable, robust, reliably tight, even after changing the battery
  • testo 191-P1

    testo 191-P1 - HACCP pressure data logger

    Order-Nr. 0572 1916

    • High-precision monitoring of absolute pressure in the 1 mbar to 4 barabs range
    • Durable, robust, reliably tight, even after changing the battery
  • testo 400 Universal IAQ instrument

    testo 400 - Universal IAQ instrument

    Order-Nr. 0560 0400

    • 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 510i

    testo 510i - differential pressure measuring instrument with smartphone operation

    Order-Nr. 0560 1510

    • Measurement of gas flow and static pressure
    • Measurement menu for pressure drop test including alerts
  • testo 552i

    testo 552i - App-controlled wireless vacuum probe

    Order-Nr. 0564 2552

    • Identify vacuum quickly and easily by means of the graphical display in the App or on the digital manifold screen
    • Connects automatically via Bluetooth® to the testo Smart App and digital manifolds
  • testo 440 Hot Wire Kit

    testo 440 Hot Wire Kit

    Order-Nr. 0563 4400

    • Intuitive: clearly structured measurement menu for volume flow and parallel determination of air velocity, volume flow and air temperature in ventilation ducts
    • Convenient: integrated telescope that can be extended to 0.85 m, with scaling, makes it easy to carry out measurements
  • testo 440 16 mm Vane Kit

    testo 440 16 mm Vane Kit

    Order-Nr. 0563 4401

    • Intuitive: clearly structured measurement menu for volume flow and determination of air velocity in ventilation ducts
    • Convenient: integrated telescope that can be extended to 0.85 m, with scaling, makes it easy to carry out measurements
  • testo 405i

    testo 405 - Thermal anemometer

    Order-Nr. 0560 4053

    • Measurement of air velocity, volumetric flow and air temperature
    • For measurements in ventilation ducts and in rooms
  • testo 440 Air Flow ComboKit 1 with Bluetooth®t 1 with Bluetooth

    testo 440 Air Flow ComboKit 1 with Bluetooth®

    Order-Nr. 0563 4406

    • Intuitive: clearly structured measurement menu for volume flow and parallel determination of air velocity, humidity and temperature in ventilation ducts or at ventilation outlets
    • Clever: hot wire probe with telescope (0.85 m) – combine the vane probe (Ø 100 mm) with Bluetooth with the telescope for ceiling outlets or the funnel set for plate outlets (please order separately) as required
  • testo 440 Air Flow ComboKit 2 with Bluetooth®

    testo 440 Air Flow ComboKit 2 with Bluetooth®

    Order-Nr. 0563 4407

    • Intuitive: clearly structured measurement menu for volume flow and determination of air velocity, humidity and temperature in ventilation ducts or at ventilation outlets
    • Clever: vane probe (Ø 16 mm) with telescope (0.85 m) – combine the vane probe (Ø 100 mm) with Bluetooth with the telescope for ceiling outlets or the funnel set for plate outlets (please order separately) as required
  • testo 440 Indoor Comfort ComboKit with Bluetooth®

    testo 440 Indoor Comfort ComboKit with Bluetooth®

    Order-Nr. 0563 4408

    • 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
  • testo 440 Delta P Air Flow ComboKit 1 with Bluetooth®

    testo 440 delta P Air Flow ComboKit 1 with Bluetooth®

    Order-Nr. 0563 4409

    • Intuitive: clearly structured measurement menu for volume flow and parallel determination of air velocity, differential pressure, humidity and temperature in ventilation ducts or at ventilation outlets
    • Space-saving: simply combine the universal Bluetooth handle with the 100 mm vane or hot wire probe head and the extendable telescope (1.0 m)
  • testo 440 Delta P Air Flow ComboKit 2 with Bluetooth®

    testo 440 delta P Air Flow ComboKit 2 with Bluetooth®

    Order-Nr. 0563 4410

    • Intuitive: clearly structured measurement menu for volume flow and parallel determination of air velocity, differential pressure, humidity and temperature in ventilation ducts, at ventilation outlets and in work rooms
    • Space-saving: combine the universal Bluetooth handle with the humidity/temperature probe head or extendable telescope (1.0 m). Vane probe heads (Ø 16 mm, Ø 100 mm) can simply be plugged onto the telescope
  • testo 416

    testo 416 - Digital 16 mm vane anemometer with App connection

    Order-Nr. 0563 0416

    • Simple, fast and precise flow measurement and volume flow calculation in the ventilation duct
    • More flexibility for duct measurements with the cable-connected telescopic probe (maximum length 850 mm)
  • testo 440 Air velocity and IAQ measuring instrument

    testo 440 - Air velocity and IAQ measuring instrument

    Order-Nr. 0560 4401

    • 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

    • 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)
  • testo 410-2

    testo 410-2 - Vane anemometer

    Order-Nr. 0560 4102

    • Permanently installed vane with a diameter of 30 mm
    • Measurement of air velocity, air temperature and humidity
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