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. You can even use our anemometers or multifunction measuring instruments to measure air flow velocity. Our multifunction measuring instruments are suitable for analyzing indoor air quality, as well.

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142 products or recommendations for Pressure and air flow
  • testo 552

    testo 552 - Digital vacuum / micron gauge with Bluetooth

    Order-Nr. 0560 5522

    • Control and read complete measurement via smartphone
    • Extremely precise, extremely rugged, extremely practical – with visual alarm and backlit display
  • testo 510i

    testo 510i - Differential pressure manometer wireless Smart Probe

    Order-Nr. 0560 1510

    • Pocket-sized temperature and air density-compensated differential pressure measurement
    • Measures static pressure, air flow, and volume flow (pitot tube not included)
  • testo Smart Probes AC & refrigeration test kit

    Order-Nr. 0563 0002 20

    • High-precision measurement technology with convenient smartphone operation
    • In the kit: 2 x testo 115i clamp thermometers, 2 x testo 549i high-pressure gauges, testo HVAC softcase
  • testo 510 Set

    testo 510 - Digital manometer

    Order-Nr. 0563 0510

    • Pocket-sized temperature and air density-compensated differential pressure measurement
    • Illuminated display
  • testo Smart Probes AC & Refrigeration Test & Load Kit Plus delivery

    testo Smart Probes AC & Refrigeration Test & Load kit

    Order-Nr. 0563 0009

    • High-precision measurement technology with convenient smartphone operation
    • In the kit: 2 x testo 115i clamp thermometers, 2 x testo 549i high-pressure gauges, 2 x testo 605i thermohygrometers, testo HVAC softcase
  • testo Smart Probes AC & refrigeration test kit

    Order-Nr. 0563 0002 10

    • High-precision measurement technology with convenient smartphone operation
    • In the kit: 2 x testo 115i clamp thermometers, 2 x testo 549i high-pressure gauges, testo Smart Case
  • Smart Probes AC & refrigeration test kit

    testo Smart Probes AC & refrigeration test kit -  *Discontinued Short Range Version*

    Order-Nr. 0563 0002 02

    • Fast and simple installation of the testo 549i high-pressure measuring instrument directly onto the pressure connection
    • Low refrigerant loss thanks to hoseless application
  • testo 552i

    testo 552i - App-controlled wireless vacuum probe

    Order-Nr. 0564 2552 01

    • 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 417

    testo 417 - Digital 4 inch vane anemometer with App connection

    Order-Nr. 0563 0417

    $ 382.50
    excl. tax
    • Easy, fast and precise measurement of flow, volume flow and temperature at air inlets and outlets
    • Efficient regulation of balanced residential ventilation and fast documentation with the testo Smart App
    Details
  • testo 417 kit 1

    testo 417 kit 1 - Vane anemometer with measurement funnels

    Order-Nr. 0563 1417

    $ 467.50
    excl. tax
    • Easy, fast and precise measurement of flow, volume flow and temperature at air inlets and outlets
    • Efficient regulation of balanced residential ventilation and fast documentation with the testo Smart App
    Details
  • testo 417 kit 2

    testo 417 kit 2 - Vane anemometer with measuring funnels and flow straightener

    Order-Nr. 0563 2417

    $ 561.00
    excl. tax
    • Easy, fast and precise measurement of flow, volume flow and temperature at air inlets and outlets
    • Efficient regulation of balanced residential ventilation and fast documentation with the testo Smart App
    Details
  • testo 425

    testo 425 - Digital hot wire anemometer with App connection

    Order-Nr. 0563 0425

    $ 580.00
    excl. tax
    • 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)
    Details
  • testo 405i German Design Award

    testo 405i - Hot-wire anemometer wireless Smart Probe

    Order-Nr. 0560 1405

    • Measures air velocity, volume flow, and temperature
    • Measures in-duct air flow, and automatically calculates volume flow (simply enter the duct dimensions)
  • testo Smart Probes HVAC/R Ultimate kit

    Order-Nr. 0563 0007

    • For all measurements involving heating, air-conditioning, refrigeration and ventilation systems
    • All Smart Probes for temperature, pressure, humidity and flow in one kit
  • 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 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 400 Universal IAQ instrument

    testo 400 - Universal Air Flow and IAQ Instrument

    Order-Nr. 0560 0400

    • A measuring instrument for all climate-related parameters
    • 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
  • testo 440 Hot Wire Kit

    testo 440 - Hot wire kit (Ø 0.35")

    Order-Nr. 0563 4400

    $ 750.00
    excl. tax
    • A measuring instrument for all climate-related parameters
    • Intuitive: clearly structured measurement menu for volume flow and determination of air velocity in ventilation ducts
    Details
  • testo 440 16 mm Vane Kit

    testo 440 - Vane kit (Ø 0.63")

    Order-Nr. 0563 4401

    $ 795.00
    excl. tax
    • A measuring instrument for all climate-related parameters
    • Intuitive: clearly structured measurement menu for volume flow and determination of air velocity in ventilation ducts
    Details
  • testo 405i

    testo 405 - Pocket-sized thermal anemometer

    Order-Nr. 0560 4053

    $ 182.75
    excl. tax
    • Volume flow calculation of up to 99,990 m3/h
    • Easily read data at any angle with rotating display
    Details
  • testo 440 Air Flow ComboKit 1 with Bluetooth®t 1 with Bluetooth

    testo 440 - Air flow ComboKit 1 with Bluetooth

    Order-Nr. 0563 4406

    $ 1,350.00
    excl. tax
    • A measuring instrument for all climate-related parameters
    • Intuitive: clearly structured measurement menu for volume flow and parallel determination of air velocity, humidity and temperature in ventilation ducts or at ventilation outlets
    Details
  • testo 440 Air Flow ComboKit 2 with Bluetooth®

    testo 440 - Air flow ComboKit 2 with Bluetooth

    Order-Nr. 0563 4407

    $ 1,425.00
    excl. tax
    • A measuring instrument for all climate-related parameters
    • Intuitive: clearly structured measurement menu for volume flow and determination of air velocity, humidity and temperature in ventilation ducts or at ventilation outlets
    Details
  • testo 440 Indoor Comfort ComboKit with Bluetooth®

    testo 440 - Indoor comfort ComboKit with Bluetooth

    Order-Nr. 0563 4408

    $ 2,350.00
    excl. tax
    • A measuring instrument for all climate-related parameters
    • Intuitive: clearly structured measurement menu for long-term measurement and parallel determination of CO₂ concentration, humidity, air temperature and degree of turbulence in workplaces
    Details
  • testo 440 Delta P Air Flow ComboKit 1 with Bluetooth®

    testo 440 dP - Air flow ComboKit 1 with Bluetooth and delta P

    Order-Nr. 0563 4409

    $ 2,150.00
    excl. tax
    • A measuring instrument for all climate-related parameters
    • 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
    Details
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