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Introducing the new testo 440 IAQ Meter & Datalogger

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.

Featuring a large display with intuitive measurement menus and offering the convenience of wireless communication and reduce the clutter with one handle for all probes.

This is the cost-effective option you’ve been looking for. A one-time investment with long-term benefits.


Testo 440 Air Velocity & IAQ Meter, Bluetooth-

Your Price $329.00 USD
Availability 2 to 3 Weeks

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

Your Price $449.00 USD
Availability 2 to 3 Weeks

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Testo 440 Hot Wire Kit-

Your Price $609.00 USD
Availability 1 in Stock

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

Your Price $675.00 USD
Availability 1 in Stock

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

Your Price $869.00 USD
Availability 2 to 3 Weeks

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Testo 440 Humidity Kit-

Your Price $539.00 USD
Availability 1 in Stock

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Testo 440 CO2 Kit-

Your Price $949.00 USD
Availability 1 in Stock

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Testo 440 Air Flow Combo Kit 1-

Your Price $1,149.00 USD
Availability 2 to 3 Weeks

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Testo 440 Air Flow Combo Kit 2-

Your Price $1,219.00 USD
Availability 1 in Stock

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Testo 440 Indoor Comfort Combo Kit-

Your Price $2,035.00 USD
Availability 1 in Stock

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Testo 440 Delta P Air Flow Combo Kit 1-

Your Price $1,759.00 USD
Availability 2 to 3 Weeks

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Testo 440 Delta P Air Flow Combo Kit 2-

Your Price $1,899.00 USD
Availability 1 in Stock

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