Testo Smart Probes Total Static Pressure with the testo 510i

Checking total static pressure using the testo smart probes. Learn more at www.testo.com/en-US/products/...

[@kmkemc584]

Does the testo smart probes pressure gauge read vacuum too?

[@charlesw7812]

Hi.
I tried to change the dimensions or shape in the app but the "ok" button is disable, i can only get back by clicking on "Cancel". Could you help me with this. Thanks