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    IAQ

    These indoor air quality meters allow HVAC/R technicians and contractors to take measurements at the air outlet, take air and surface temperatures, measure dirt on HVAC/R filters and measure ventilation in ducts. Find a wide range of these meters to fit your application.

    Showing 1 to 20 of 30 products
    Testo 440 Air Velocity and IAQ Measuring Instrument with digital hot wire probe, ø 0.35"-

    Testo 440 Air Velocity and IAQ Measuring Instrument with digital hot wire probe, ø 0.35"
    Model: 440 | Order No: 0563 4400

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

    Qty:

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

    Testo 440 Air Velocity and IAQ Measuring Instrument with digital vane probe, ø 0.63"
    Model: 440 | Order No: 0563 4401

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

    Qty:

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

    Testo 440 Air Velocity and IAQ Measuring Instrument with digital humidity/temperature probe, ø 0.47"
    Model: 440 | Order No: 0563 4404

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

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    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

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    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 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

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

    Testo 440 dP Air Velocity and IAQ Measuring Instrument with differential pressure sensor
    Model: 440 | Order No: 0560 4402

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

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    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

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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 1 to 2 Weeks

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    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 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

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    Quantity
    Testo 417 Digital Vane Anemometer, 59.1 to 3937 fpm, 0 to 58,857 CFM-

    Testo 417 Digital Vane Anemometer, 59.1 to 3937 fpm, 0 to 58,857 CFM
    Model: 417 | Order No: 0563 0417

    Sale Price $403.75 USD
    Regular Price $475.00 USD
    Availability 5 Days

    Qty:

    Quantity
    Testo 535 Digital CO<sub>2</sub> Measuring Instrument, 0 to 10,000 ppm-

    Testo 535 Digital CO2 Measuring Instrument, 0 to 10,000 ppm
    Model: 535 | Order No: 0563 0535 01

    Sale Price $505.75 USD
    Regular Price $595.00 USD
    Availability 1 Week

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    Quantity
    Testo 317-3 Probeless Ambient CO Meter-

    Testo 317-3 Probeless Ambient CO Meter
    Model: 317-3 | Order No: 0632 3173

    Sale Price $270.30 USD
    Regular Price $318.00 USD
    Availability 1 Week

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    Quantity
    Testo 410-1 Rotating Vane Thermo-Anemometer-

    Testo 410-1 Rotating Vane Thermo-Anemometer
    Model: 410-1 | Order No: 0560 4101

    Sale Price $158.95 USD
    Regular Price $187.00 USD
    Availability 5 Days

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    Testo 410-2 Rotating Vane Thermo-Anemometer w/ Humidity-

    Testo 410-2 Rotating Vane Thermo-Anemometer w/ Humidity
    Model: 410-2 | Order No: 0560 4102

    Sale Price $257.55 USD
    Regular Price $303.00 USD
    Availability 5 Days

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    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

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    Quantity
    Showing 1 to 20 of 30 products

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