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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.

    Showing 21 to 40 of 41 products
    Testo 440 Air Velocity and IAQ Measuring Instrument with digital vane probe, ø 3.9"-

    Testo 440 Air Velocity and IAQ Measuring Instrument with digital vane probe, ø 3.9"
    Model: 440 | Order No: 0563 4403

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

    Qty:

    Quantity
    Testo 0555 6451 Compressed Air Flow Transmitter, 1/2" Line-

    Testo 0555 6451 Compressed Air Flow Transmitter, 1/2" Line
    Model: 0555 6451

    Sale Price $929.05 USD
    Regular Price $1093.00 USD
    Availability 7 to 8 Weeks

    Qty:

    Quantity
    Testo 0555 6452 Compressed Air Flow Transmitter, 1" Line-

    Testo 0555 6452 Compressed Air Flow Transmitter, 1" Line
    Model: 0555 6452

    Sale Price $971.55 USD
    Regular Price $1143.00 USD
    Availability 5 to 6 Weeks

    Qty:

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

    Testo 440 Air Velocity and IAQ Measuring Instrument with digital CO2 probe
    Model: 440 | Order No: 0563 4405

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

    Qty:

    Quantity
    Testo 0555 6453 Compressed Air Flow Transmitter, 1.5" Line-

    Testo 0555 6453 Compressed Air Flow Transmitter, 1.5" Line
    Model: 0555 6453

    Sale Price $1,267.35 USD
    Regular Price $1491.00 USD
    Availability 2 to 3 Weeks

    Qty:

    Quantity
    Testo 0555 6454 Compressed Air Flow Transmitter, 2" Line-

    Testo 0555 6454 Compressed Air Flow Transmitter, 2" Line
    Model: 0555 6454

    Sale Price $1,323.45 USD
    Regular Price $1557.00 USD
    Availability 4 to 5 Weeks

    Qty:

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

    Testo 440 Air Velocity and IAQ Measuring Instrument with digital vane probes, ø 3.9 and 0.63"
    Model: 440 | Order No: 0563 4407

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

    Qty:

    Quantity
    Testo 400 Universal IAQ Instrument-

    Testo 400 Universal IAQ Instrument
    Model: 400 | Order No: 0560 0400

    Sale Price $1,698.30 USD
    Regular Price $1998.00 USD
    Availability 1 to 2 Weeks

    Qty:

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

    Testo 440 Air Velocity and IAQ Measuring Instrument with digital hot wire probe and digital vane probe, ø 3.9"
    Model: 440 | Order No: 0563 4406

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

    Qty:

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

    Testo 440 dP Air Velocity and IAQ Measuring Instrument with differential pressure sensor and digital vane probe, ø 3.9"
    Model: 440 | Order No: 0563 4409

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

    Qty:

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

    Testo 440 dP Air Velocity and IAQ Measuring Instrument with differential pressure sensor and digital vane probes, ø 3.9 and 0.63"
    Model: 440 | Order No: 0563 4410

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

    Qty:

    Quantity
    Testo 400 IAQ Kit for commissioning and IAQ investigation professionals-

    Testo 400 IAQ Kit for commissioning and IAQ investigation professionals
    Model: 400 | Order No: 0563 0408

    Sale Price $3,012.40 USD
    Regular Price $3544.00 USD
    Availability 2 to 3 Weeks

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    Quantity
    Testo 400 Air Flow Kit for TAB/commissioning professionals-

    Testo 400 Air Flow Kit for TAB/commissioning professionals
    Model: 400 | Order No: 0563 0407

    Sale Price $3,285.25 USD
    Regular Price $3865.00 USD
    Availability 2 to 3 Weeks

    Qty:

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

    Testo 440 Air Velocity and IAQ Measuring Instrument with digital CO2 probe and digital turbulence probe, 3.9"
    Model: 440 | Order No: 0563 4408

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

    Qty:

    Quantity
    Testo 420 Air Flow Capture Hood with Bluetooth-

    Testo 420 Air Flow Capture Hood with Bluetooth
    Model: 420 | Order No: 0563 4200

    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

    Qty:

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

    Testo 420 Air Flow Hood with Bluetooth, Includes Case and NIST Certificate
    Model: 420 | Order No: 400563 4200

    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

    Qty:

    Quantity
    Testo 400 Combo Kit for comfort professionals in high performance buildings-

    Testo 400 Combo Kit for comfort professionals in high performance buildings
    Model: 400 | Order No: 0563 0409

    Sale Price $4,051.10 USD
    Regular Price $4766.00 USD
    Availability 3 to 4 Weeks

    Qty:

    Quantity
    Testo 660X Series Digital Probe-

    Testo 660X Series Digital Probe
    Model: 0555 6600

    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.

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

    Testo 6456 Compressed air meter DN65 – 250 (2½"" – 10")
    Model: 0555 6456

    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).

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

    Testo 6457 Compressed air meter DN65 – 250 (2½"" – 10")
    Model: 0555 6457

    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).

    Configure This Product!
    Showing 21 to 40 of 41 products

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