The E+H Proline T-Mass A 150 thermal mass flow meter is designed for the cost-effective measurement of utility gases, in particular compressed air. It is a trending device aimed at sub-metering applications. Its 4-wire technology is contained within a rugged compact aluminum housing. It is orderable either with display or as a blind version. Customer-specific settings are saved on the display and can be transferred from one device to another by means of the display.

The meter is available in 1/2 to 2 inch diameter sizes with a variety of process connections and can handle process pressure up to PN 40, Class 300. It features a compact and robust transmitter with outputs including 4-20 mA HART and pulse/frequency/switch output.