Pressure and air flow

Air pressure has an obvious impact on HVAC system performance. Testo offers a range of instruments to help technicians measure this factor. Differential and absolute pressure have different consequences, which is why we've developed tools to help you calculate each variable.Best of all, our instruments enable professionals to compare pressure with airflow and velocity through a single interface.


Did you Know: The Testo 510i can measure gasflow, static pressure as well as volume flow and transfer all the data to your smartphone.
 

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160 products or recommendations for Pressure and air flow
  • testo 510

    testo 510 - Differential pressure meter

    Order-Nr. 0560 0510

    • Differential pressure from 0 to 100 hPa 
    • 10 Measurement unitsto choose from (hPa, mbar, mmHg, psi, m/s, fpm) 
  • testo 176 P1

    testo 176 P1 - Pressure Data Logger 

    Order-Nr. 0572 1767

    $1 240.00
    incl. GST  $1 364.00
    • 3 Parameters in 1 Temperature, Humidity & Pressure 
    • Large memory, 2 Million Readings 
    Details
  • Testo 410

    testo 410-1 - Pocket Sized Vane Anemometer 

    Order-Nr. 0560 4101

    $202.00
    incl. GST  $222.20
    • 2 in 1 Air Velocity & Air Temperature 
    Details
  • testo 410-2

    testo 410-2 - Velocity Humidity and Temperature Meter 

    Order-Nr. 0560 4102

    $312.00
    incl. GST  $343.20
    • Anemometer with 30MM vane 
    • 2 in 1 Air Velocity & Air Temperature 
    Details
  • testo 420

    testo 420 - Air Flow Hood 

    Order-Nr. 0563 4200

    $5 277.00
    incl. GST  $5 804.70
    • 16 measurement points that records Temperature, Humidity, Differential & Absolute Pressure. 
    • Highly precise readings at swirl outlets thanks to flow straightener. 
    Details
  • testo 405i

    testo 405 - Low Cost Thermal Anemometer 

    Order-Nr. 0560 4053

    $251.00
    incl. GST  $276.10
    • 3 in 1 Air temperature, air velocity
      & volumetric Air flow 
    • Telescopic handle to 300 mm 
    Details
  • testo 570 digital manifold

    testo 570-2 kit - digital refrigeration gauge with data logging 

    Order-Nr. 0563 5702

    • 40 refrigerant profiles stored in the instrument 
    • Additional 12 month (3 years) product warranty with registration 
  • testo 405i German Design Award

    testo 405i - thermal anemometer with smartphone operation

    Order-Nr. 0560 1405

    $247.00
    incl. GST  $271.70
    • 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
  • Smart Probes VAC Set

    testo 410i - vane anemometer with smartphone operation

    Order-Nr. 0560 1410

    $209.00
    incl. GST  $229.90
    • Measurement of air velocity, volume flow and temperature
    • Display of the volume flow of multiple outlets in order to adjust systems
    Details
  • testo 550s - Heat pump entry-level kit

    Order-Nr. 0564 5000

    • The testo 550s digital manifold with large graphic display, exceptionally compact and reliable thanks to its practical robust housing with protection class IP 54
    • Includes Bluetooth and 2-way valve block with 2 x testo 115i wireless clamp temperature probes
  • testo 550i smart kit

    testo 550i Smart Kit - App-controlled digital manifold with wireless clamp temperature probes (NTC)

    Order-Nr. 0564 3550

    $547.00
    incl. GST  $601.70
    • All activities, from measurement through to documentation, using the App on your Smartphone
    • The smallest digital manifold on the market
    Details
  • testo 550s smart kit

    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

    $1 019.00
    incl. GST  $1 120.90
    • 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 - Heat pump all-purpose kit

    Order-Nr. 0564 5001

    $1 898.00
    incl. GST  $2 087.80
    • The testo 557s digital manifold with large graphic display, exceptionally compact and reliable thanks to its practical robust housing with protection class IP 54
    • Includes Bluetooth and 4-way valve block with 2 x testo 115i wireless clamp temperature probes and 1 x testo 552i wireless vacuum probe
    Details
  • testo 550s smart kit

    testo 550s Smart Kit - Smart digital manifold with wireless clamp temperature probes

    Order-Nr. 0564 5502

    $919.00
    incl. GST  $1 010.90
    • 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

    testo 550s Basic Kit - Smart digital manifold with fixed cable clamp temperature probes

    Order-Nr. 0564 5501

    $744.00
    incl. GST  $818.40
    • 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

    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

    $1 302.00
    incl. GST  $1 432.20
    • 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 570s - Heat pump professional kit

    Order-Nr. 0564 5002

    • The testo 570s digital manifold with A3 compatibility, large graphic display, for maximum precision even at low pressure values, ideal for long-term and standard measurements, with intelligent error analysis in the testo Smart App
    • Includes Bluetooth and 4-way valve block with 2 x testo 115i wireless clamp temperature probes and 1 x testo 552i wireless vacuum probe
  • testo 557s smart vacuum kit

    testo 557s Smart Vacuum Kit - Smart digital manifold with wireless vacuum and clamp temperature probes

    Order-Nr. 0564 5571

    $1 176.00
    incl. GST  $1 293.60
    • 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 510 Set

    testo 510 set - differential pressure measuring instrument

    Order-Nr. 0563 0510

    $311.00
    incl. GST  $342.10
    • Differential pressure measurement from 0 to 100 hPa 
    • Flow measurement possible with a Pitot tube (available as an option)  
    Details
  • testo Smart Probes AC & Refrigeration Test & Load Kit Plus delivery

    testo Smart Probes AC & refrigeration test kit plus

    Order-Nr. 0563 0002 41

    $1 131.00
    incl. GST  $1 244.10
    • 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
    Details
  • testo Smart Probes AC & Refrigeration Test Kit delivery

    testo Smart Probes AC & refrigeration test kit

    Order-Nr. 0563 0002 10

    $669.00
    incl. GST  $735.90
    • Application-specific measurement menus for superheating/subcooling
    • More than 90 common refrigerants plus refrigerant updates in the testo Smart App
    Details
  • testo 552

    testo 552 - Digital vacuum gauge with Bluetooth®

    Order-Nr. 0560 5522

    $410.00
    incl. GST  $451.00
    • Measurement data monitoring via testo Smart App
    • Measurement data dispatch via testo Smart App
    Details
  • testo 425

    testo 425 - Digital hot wire anemometer with App connection

    Order-Nr. 0563 0425

    $950.00
    incl. GST  $1 045.00
    • 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
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