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Airflow

These airflow meters are ideally used by HVAC/R technicians, indoor air quality technicians, or energy efficiency consultants. They are ideal for fast air velocity measurement spot checks. Find a wide selection of these meters to fit your application.


Testo 420 Air Flow Capture Hood with Bluetooth-

This product exceeds standard shipping dimensions/weight, as such it does not qualify for free shipping. We will contact you with your shipping costs.

Sale Price $3,418.70 USD
Regular Price $4022.00 USD
Availability 4 in Stock

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Testo 420 Air Flow Hood with Bluetooth, Includes Case and NIST Certificate-

This product exceeds standard shipping dimensions/weight, as such it does not qualify for free shipping. We will contact you with your shipping costs.

Sale Price $3,552.15 USD
Regular Price $4179.00 USD
Availability 1 Week

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Testo 425 Digital Hot Wire Anemometer with telescopic probe, 0 to 5905 fpm, -4 to 158°F-

Sale Price $518.50 USD
Regular Price $610.00 USD
Availability 2 in Stock

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Testo 440 Air Velocity and IAQ Measuring Instrument with Bluetooth-

Sale Price $495.55 USD
Regular Price $583.00 USD
Availability 2 in Stock

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Testo 440 Air Velocity and IAQ Measuring Instrument with digital CO<sub>2</sub> probe-

Sale Price $1,116.90 USD
Regular Price $1314.00 USD
Availability 3 to 4 Weeks

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Testo 440 Air Velocity and IAQ Measuring Instrument with digital CO<sub>2</sub> probe and digital turbulence probe, 3.9"-

Sale Price $3,330.30 USD
Regular Price $3918.00 USD
Availability 2 to 3 Weeks

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Testo 440 Air Velocity and IAQ Measuring Instrument with digital hot wire probe and digital vane probe, ø 3.9"-

Sale Price $1,873.40 USD
Regular Price $2204.00 USD
Availability 3 Days

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Testo 440 Air Velocity and IAQ Measuring Instrument with digital hot wire probe, ø 0.35"-

Sale Price $657.05 USD
Regular Price $773.00 USD
Availability 1 to 2 Weeks

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Testo 440 Air Velocity and IAQ Measuring Instrument with digital humidity/temperature probe, ø 0.47"-

Sale Price $548.25 USD
Regular Price $645.00 USD
Availability 1 to 2 Weeks

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Testo 440 Air Velocity and IAQ Measuring Instrument with digital vane probe, ø 0.63"-

Sale Price $810.90 USD
Regular Price $954.00 USD
Availability 1 Week

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Testo 440 Air Velocity and IAQ Measuring Instrument with digital vane probe, ø 3.9"-

Sale Price $871.25 USD
Regular Price $1025.00 USD
Availability 3 to 4 Weeks

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Testo 440 Air Velocity and IAQ Measuring Instrument with digital vane probes, ø 3.9 and 0.63"-

Sale Price $1,453.50 USD
Regular Price $1710.00 USD
Availability 2 in Stock

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Testo 440 dP Air Velocity and IAQ Measuring Instrument with differential pressure sensor-

Sale Price $603.50 USD
Regular Price $710.00 USD
Availability 1 Week

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Testo 440 dP Air Velocity and IAQ Measuring Instrument with differential pressure sensor and digital vane probe, ø 3.9"-

Sale Price $2,193.00 USD
Regular Price $2580.00 USD
Availability 3 to 4 Weeks

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Testo 440 dP Air Velocity and IAQ Measuring Instrument with differential pressure sensor and digital vane probes, ø 3.9 and 0.63"-

Sale Price $2,340.90 USD
Regular Price $2754.00 USD
Availability 3 to 4 Weeks

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Testo 6448 Compressed air meter with bar probe (DN40-250)-

Achieve professional-level compressed air consumption measurement with the testo 6448 compressed air meter. It offers precise readings and the convenience of easy bar probe removal.


Testo 6456 Compressed air meter DN65 – 250 (2½"" – 10")-

Efficiently monitor your compressed air consumption with the testo 6456 compressed air meter. Use it to detect leaks and track usage, allowing for better transparency and cost reduction. It's especially useful for large-diameter pipes (DN65-250).


Testo 6457 Compressed air meter DN65 – 250 (2½"" – 10")-

Monitor your compressed air consumption with precision using the testo 6457 compressed air meter. It helps detect leaks and allocate consumption, providing transparency and reducing costs. Ideal for large-diameter pipes (DN65-250).


Testo 660X Series Digital Probe-

The testo 6651 rises to special challenges. Paired with the testo 660x probe series, it becomes the top choice for demanding air conditioning technology and a wide range of other applications.


Testo 661X Series Digital Probe-

Industrial humidity measurement requires top-tier professionalism, both in system operation and in the measuring technology itself. The testo 6681 industrial humidity transmitter, paired with the testo 661x probe series, meets these rigorous standards with ease.


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