Uploaded August 2024 | Updated September 2026, 3 days ago

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The Series 477AV Handheld Digital Manometer provides pressure, flow, and velocity measurements, along with a number of other convenient features. In this video, we show you how to program the 477AV into flow mode to read out in CFM, and then take readings using a Series 167 Pocket Size Pitot Tube and a Model 160G Averaging Air Flow Grid.

To learn more or order, please visit dwyer-inst.com/Product/TestEquipment/Manometer/Portable/Series477AV