Measuring HRV and other HVAC devices

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Sometimes you just need a need a pressure sensor that can measure HVAC devices!

sciencedude1990

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Measure the pressure when you close a freezer door
10/21/2023 at 14:07 • 0 comments

I recently saw the "Action Lab" video where the host closed a freezer door. The OMRON pressure sensor is perfect for this since the sensitivity is very high.

The Action Lab - Why Is a Freezer Harder To Open The Second Time?

Here is a photo of the air hose near the freezer. The air needle is just long enough to pass by the freezer door seal.

Here is the air needle inserted between the freezer frame and seal.

Here is the plot of the data.