testo 511 Absolute Pressure Meter

Test-meter.co.uk

Compact pressure meter (300-1200hPa) with ±3.0hPa accuracy. Measures altitude, barometric pressure in multiple units. Backlit display, 200-hour battery life. Ideal for flow velocity and absolute pressure compensation.

Amazon

High-precision absolute pressure measurement with an accuracy of ±3 hPa Suitable for barometric altitude measurements Calculates the barometric air pressure 8 pressure units available