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 analysing indoor air quality.

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124 products or recommendations for Pressure and air flow
  • testo 510 Set

    testo 510 - Differential Pressure Meter

    Order-Nr. 0563 0510

    £ 145.00
    incl. VAT  £ 174.00
    • Pocket-sized temperature and air density-compensated differential pressure measurement
    • Illuminated display
    Details
  • testo 420

    testo 420 - Volume flow hood

    Order-Nr. 0563 4200

    £ 2,290.00
    incl. VAT  £ 2,748.00
    • Volume flow hood weighing less than 2.9 kg
    • Volume flow hood for larger swirl outlets for measuring volume flow, temperature and relative humidity
    Details
  • testo 405i

    testo 405 - Thermal Anemometer

    Order-Nr. 0560 4053

    £ 130.00
    incl. VAT  £ 156.00
    • Measurement of air velocity, volumetric flow and air temperature
    • For measurements in ventilation ducts and in rooms
    Details
  • testo 405i German Design Award

    testo 405i - Bluetooth Thermal Anemometer Smart Probe

    Order-Nr. 0560 1405

    £ 112.00
    incl. VAT  £ 134.40
    • 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
    Details
  • testo 635-2

    testo 635-2 - Thermohygrometer

    Order-Nr. 0563 6352

    £ 499.00
    incl. VAT  £ 598.80
    • Optionally available sensors for moisture, temperature, pressure dew point and absolute pressure measurements
    • 2 plug-in sensors and 3 wireless sensors can be connected
    Details
  • testo 410-2

    testo 410-2 - Compact Vane Anemometer (+Humidity)

    Order-Nr. 0560 4102

    £ 152.00
    incl. VAT  £ 182.40
    • Permanently installed vane with a diameter of 30 mm
    • Measurement of air velocity, air temperature and humidity
    Details
  • testo 550i - App-controlled digital manifold with Bluetooth and 2-way valve block

    Order-Nr. 0564 2550 02

    £ 160.00
    incl. VAT  £ 192.00
    • All activities, from measurement through to documentation, using the testo Smart App on your Smartphone
    • The smallest digital manifold on the market
    Details
  • testo 550i - Heat pump kit

    Order-Nr. 300564 3550 02

    £ 370.00
    incl. VAT  £ 444.00
    • Compact design designed for control via smartphone/tablet
    • IP54 protection for outdoor use
    Details
  • testo 550s - Heat pump kit

    Order-Nr. 300564 5502 02

    £ 720.00
    incl. VAT  £ 864.00
    • Large graphic display allows all measurement values at a glance. IP54 protection for use outdoors.
    • Test menu sequences for pressure leak test, vacuum, discharge line temperature, and target superheat
      (note - requires testo 552i vacuum probe for vacuum measurement)
    Details
  • testo 557s - Heat pump kit

    Order-Nr. 300564 5571 02

    £ 875.00
    incl. VAT  £ 1,050.00
    • Large graphic display allows all measurement values at a glance. IP54 protection for use outdoors.
    • Test menu sequences for pressure leak test, vacuum, discharge line temperature, and target superheat
    Details
  • testo 550s Smart Kit with filling hoses - Smart digital manifold with wireless clamp temperature probes and hose filling set with 3 hoses

    Order-Nr. 0564 5503 02

    £ 445.00
    incl. VAT  £ 534.00
    • All results at a glance thanks to the large graphic display
    • Exceptionally compact and reliable thanks to the easy-to-handle, robust housing with IP 54 protection class
    Details
  • testo 550s Smart Kit - Smart digital manifold with wireless clamp temperature probes

    Order-Nr. 0564 5502 02

    £ 415.00
    incl. VAT  £ 498.00
    • All results at a glance thanks to the large graphic display
    • Exceptionally compact and reliable thanks to the easy-to-handle, robust housing with IP 54 protection class
    Details
  • testo 550s Basic Kit - Smart digital manifold with fixed cable clamp temperature probes

    Order-Nr. 0564 5501 02

    £ 335.00
    incl. VAT  £ 402.00
    • All results at a glance thanks to the large graphic display
    • Exceptionally compact and reliable thanks to the easy-to-handle, robust housing with IP 54 protection class
    Details
  • testo 557s Smart Vacuum Kit with filling hoses - Smart digital manifold with wireless vacuum and clamp temperature probes and hose filling set with 4 hoses

    Order-Nr. 0564 5572 02

    £ 520.00
    incl. VAT  £ 624.00
    • Completely wireless measurements and all results at a glance: thanks to Bluetooth probes and large graphic display
    • Exceptionally compact and reliable thanks to the easy-to-handle, robust housing with IP 54 protection class
    Details
  • testo 557s Smart Vacuum Kit - Smart digital manifold with wireless vacuum and clamp temperature probes

    Order-Nr. 0564 5571 02

    £ 465.00
    incl. VAT  £ 558.00
    • Completely wireless measurements and all results at a glance: thanks to Bluetooth probes and large graphic display
    • Exceptionally compact and reliable thanks to the easy-to-handle, robust housing with IP 54 protection class
    Details
  • testo Smart Probes AC & Refrigeration Test & Load Kit Plus delivery

    testo Smart Probes AC & refrigeration test kit plus

    Order-Nr. 0563 0002 41

    £ 495.00
    incl. VAT  £ 594.00
    • 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 Softcase
    Details
  • testo Smart Probes AC & Refrigeration Test Kit delivery

    testo Smart Probes AC & refrigeration test kit

    Order-Nr. 0563 0002 10

    £ 295.00
    incl. VAT  £ 354.00
    • 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
    Details
  • testo 552

    testo 552 - Digital Vacuum Gauge (Bluetooth)

    Order-Nr. 0560 5522

    £ 174.00
    incl. VAT  £ 208.80
    • Control and read complete measurement via smartphone
    • Extremely precise, extremely rugged, extremely practical – with visual alarm and backlit display
    Details
  • testo 425

    testo 425 - Digital hot wire anemometer with App connection

    Order-Nr. 0563 0425

    £ 429.00
    incl. VAT  £ 514.80
    • 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 Smart Probes HVAC/R Ultimate kit

    testo Smart Probes HVAC/R Ultimate kit

    Order-Nr. 0563 0002 32

    £ 849.00
    incl. VAT  £ 1,018.80
    • For all measurements involving heating, air-conditioning, refrigeration and ventilation systems
    • All Smart Probes for temperature, pressure, humidity and flow in one kit
    Details
  • testo Smart Probes VAC Kit delivery

    testo Smart Probes VAC kit

    Order-Nr. 0563 0003 10

    £ 385.00
    incl. VAT  £ 462.00
    • 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
    Details
  • 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 IAQ instrument

    Order-Nr. 0560 0400

    £ 1,339.00
    incl. VAT  £ 1,606.80
    • 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
    Details
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