Testo 420 Flow Hood – Airflow Meter HVAC for Air Velocity, Volume Flow, Temperature & Relative Humidity – CFM Meter for Airflow HVAC with Tiltable Display, Bluetooth, and App Compatibility - With NIST by Testo - Used condition

Testo 420 Flow Hood – Airflow Meter HVAC for Air Velocity, Volume Flow, Temperature & Relative Humidity – CFM Meter for Airflow HVAC with Tiltable Display, Bluetooth, and App Compatibility - With NIST

Brand: Testo

Condition: Used

$2,170⁶⁴

$3,545⁹⁶

-39% Save $1,375³²

Updated: Yesterday

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Description

Lightweight & Ergonomic; Weighing less than 6.4 lbs, the air flow meter offers comfortable handling with an ergonomic design and tiltable display, perfect for prolonged use in large spaces or above head height

Precision Measurements; The testo 420 flow hood features a unique volume flow straightener to ensure accurate measurements even at turbulent swirl outlets. It is ideal for precise HVAC system testing and balancing

Advanced Connectivity; Equipped with Bluetooth, the HVAC Airflow Meter CFM connects to your smartphone or tablet, allowing for remote monitoring, control, and report generation through the Testo 420 app

Versatile Use; The detachable control unit doubles as a standalone device for pressure, flow, & volume measurements in ducts by adding optional pitot tubes and hoses. The CFM meter for airflow HVAC provides comprehensive data collection capabilities

Convenient Reporting; Create and email measurement reports directly from the job site via the Testo Smart App, enhancing workflow efficiency and saving valuable time during HVAC inspections and maintenance

Standardized; Take advantage of three calibrated temperature points with the included NIST standards testing certificate. The calibration ensures all regulatory requirements for the air flow meter are met

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Product Details

SKU:: awhd-us-b01lwxjnid
Model:: 400563 4200
Country:: US
ASIN:: B01LWXJNID
GTIN:: 00858777007018
UPC:: 858777007018

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Why buy refurbished or open-box?

Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $1375 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.

What's the difference between open-box and refurbished?

Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.

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Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.

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