Lightweight, Handheld Commercial Duct Tester

A Complete Game Changer

The 440x includes even more improvements from the former Model 400. Mount your DM32 WiFi Gauge directly onto the shell for easy accessibility. A new foot design allows for a secure, sturdy base.

Measure duct leakage in commercial systems up to 295 CFM at 8 inches Water Column (in WC) with the first truly lightweight (20 lb) handheld commercial DucTester. 

With 1700 Watts of power available, any comparable commercial duct tester will weigh 120 lb or more. A first in the industry, the DucTester also comes a touchscreen pressure gauge which will display results to any standard such as CFM/100 square feet. A series of Quick Change orifice plates are included with the DucTester that allows you to test right down to 7 CFM.

Results in any desirable unit such as CFM/ 100 square feet is read directly off the gauge. Or, use the test to complete and automated test then have the software generate a SMACNA compliant report that can be easily customized with your format, logos and even pictures of the test. Users love the set up and test speed. 

Eliminate the need for two techs to perform the test. Carry it to the test site over your shoulder. Get instant results. You can even operate it wirelessly while you inspect the seals for leaks using the WiFi feature.  ISO 17025 accredited calibration is an industry first as is every feature of the biggest advance in Commercial duct testing in 50 years. 

Who uses it?

• Energy Auditors, HVAC Contractors, Building Contractors & Remodelers, Home Inspectors