Specs at a glance Max. measurement error: 3 % o.r. 4 % o.r. 5 % o.f.s. (depending on chosen option of ordering feature "Calibration flow") Measuring range: 20 to 720 000 kg/h (45 to 1 587 600 lb/h) 20 to 1 080 000 kg/h (45 to 2 381 400 lb/h) (for air, depending on chosen option of ordering feature "Calibration flow") Medium temperature range: –40 to +100 °C (–40 to +212 °F) Max. process pressure: 20 bar g (290 psi g) Wetted materials: Transducer: 1.4404 (316L) Insertion tube: 1.4404 (316L); 1.4435 (316L) Connection: Compression fitting: 1.4404 (316L) Sealing ring: EPDM; HNBR; 1.4401 (316) Clamping ring: PEEK 450G ---------------------------------------- Field of application Endress Hauser's The t-mass B 150 insertion version is suitable for large pipelines or rectangular ventilation ducts. It 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. Customer-specific settings are saved on the display and can be transferred from one device to another by means of the display. • Measuring principle is characterized by a high operable flow range and direct mass flow measurement • Suitable for air, nitrogen, carbon dioxide and argon in circular piping or rectangular ducts. • Insertion version for nominal diameter DN 80 to 1500 (3 to 60") • Installation and removal of sensor without process interruption • Easy installation • Device in compact version with DC 24 V power supply • 4-20 mA HART, pulse/frequency/switch output • Compact and robust transmitter Device properties