Testo 511 -Pocket-sized absolute pressure meter.

Specification

The Testo 511 is a high-precision absolute pressure meter that is perfect for barometric air pressure calculations, altitude determination, and density adjustment in flow measurements. It guarantees accurate pressure readings for usage in ducts, labs, and production settings with an accuracy of ±3 hPa. By accounting for on-site elevation, the instrument may also measure the barometric altitude between two places.