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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 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 $531.25 USD
    Regular Price $625.00 USD
    Availability 1 to 2 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 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 $1,882.75 USD
    Regular Price $2215.00 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 to 2 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 $1,248.65 USD
    Regular Price $1469.00 USD
    Availability 1 in Stock

    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 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 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 2 to 3 Weeks

    Qty:

    Quantity
    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 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 $1,181.50 USD
    Regular Price $1390.00 USD
    Availability 1 to 2 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 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 $959.65 USD
    Regular Price $1129.00 USD
    Availability 3 to 4 Weeks

    Qty:

    Quantity
    Testo 440 Air Velocity and IAQ Measuring Instrument with Bluetooth-

    Testo 440 Air Velocity and IAQ Measuring Instrument with Bluetooth
    Model: 440 | Order No: 0560 4401

    Sale Price $495.55 USD
    Regular Price $583.00 USD
    Availability 1 in Stock

    Qty:

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

    Testo 425 Digital Hot Wire Anemometer with telescopic probe, 0 to 5905 fpm, -4 to 158°F
    Model: 425 | Order No: 0563 0425

    Sale Price $548.25 USD
    Regular Price $645.00 USD
    Availability 2 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 $2,903.60 USD
    Regular Price $3416.00 USD
    Availability 1 Week

    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 1 to 2 Weeks

    Qty:

    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 $424.15 USD
    Regular Price $499.00 USD
    Availability 4 in Stock

    Qty:

    Quantity
    Testo 417 Digital Vane Anemometer Kit with measurement funnels, 59.1 to 3937 fpm, 0 to 259 CFM-

    Testo 417 Digital Vane Anemometer Kit with measurement funnels, 59.1 to 3937 fpm, 0 to 259 CFM
    Model: 417 kit 1 | Order No: 0563 1417

    Sale Price $517.65 USD
    Regular Price $609.00 USD
    Availability 6 in Stock

    Qty:

    Quantity
    Testo 417 Digital Vane Anemometer Kit with measurement funnels and flow straightener, 59.1 to 3937 fpm, 0.1 to 118 CFM-

    Testo 417 Digital Vane Anemometer Kit with measurement funnels and flow straightener, 59.1 to 3937 fpm, 0.1 to 118 CFM
    Model: 417 kit 2 | Order No: 0563 2417

    Sale Price $624.75 USD
    Regular Price $735.00 USD
    Availability 3 in Stock

    Qty:

    Quantity
    Testo 416 Digital Vane Anemometer with telescopic probe, 118.1 to 7874 fpm, 0.63"-

    Testo 416 Digital Vane Anemometer with telescopic probe, 118.1 to 7874 fpm, 0.63"
    Model: 416 | Order No: 0563 0416

    Sale Price $585.65 USD
    Regular Price $689.00 USD
    Availability 2 in Stock

    Qty:

    Quantity
    Showing 1 to 20 of 30 products

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