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Testo 440 Air Velocity & IAQ Meter

The testo 440 combines a compact handheld measuring instrument with intuitive measurement menus and a comprehensive selection of air velocity and IAQ probes. Use it to keep all your air conditioning and ventilation needs safely and reliably under control.


Testo 440 Air Velocity & IAQ Meter, Bluetooth-

Sale Price $297.50 USD
Regular Price $350.00 USD
Availability 3 to 4 Weeks

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Testo 440 dP Air Velocity & IAQ Meter with Differential Pressure Sensor-

Sale Price $412.25 USD
Regular Price $485.00 USD
Availability 3 to 4 Weeks

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Testo 440 Humidity Kit-

Sale Price $493.00 USD
Regular Price $580.00 USD
Availability 1 to 2 Weeks

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Testo 440 Hot Wire Kit-

Sale Price $561.00 USD
Regular Price $660.00 USD
Availability 1 Week

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Testo 440 Air Velocity & IAQ Meter with 0.63” Vane-

Sale Price $620.50 USD
Regular Price $730.00 USD
Availability 2 to 3 Weeks

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Testo 440 Air Velocity & IAQ Meter with 4” Vane-

Sale Price $799.00 USD
Regular Price $940.00 USD
Availability 1 to 2 Weeks

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Testo 440 CO2 Kit-

Sale Price $871.25 USD
Regular Price $1025.00 USD
Availability 1 to 2 Weeks

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Testo 440 Air Flow Combo Kit 1-

Sale Price $1,054.00 USD
Regular Price $1240.00 USD
Availability 3 to 4 Weeks

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Testo 440 Air Flow Combo Kit 2-

Sale Price $1,122.00 USD
Regular Price $1320.00 USD
Availability 1 to 2 Weeks

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Testo 440 Delta P Air Flow Combo Kit 1-

Sale Price $1,677.90 USD
Regular Price $1974.00 USD
Availability 3 to 4 Weeks

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Testo 440 Delta P Air Flow Combo Kit 2-

Sale Price $1,806.25 USD
Regular Price $2125.00 USD
Availability 2 to 3 Weeks

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Testo 440 Indoor Comfort ComboKit-

Sale Price $1,870.00 USD
Regular Price $2200.00 USD
Availability 2 to 3 Weeks

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We Ship Free on Orders Over $99 within Canada