Thermal mass flowmeter for the measurement of utility gases such as air, nitrogen, carbon dioxide and argon.
Whether for monitoring and controlling compressed air networks, cost allocation, leak detection or use in energy management systems, the t-mass 150, with its high turndown of up to 100:1, can reliably measure the smallest gas quantities even with very low operating pressures.
As a multivariable flowmeter, the t-mass 150 measures not only the mass flow but also corrected volume flow, process fluid temperature and free air delivery (FAD). Due to the thermal measuring principle, no pressure or temperature compensation is required. Thanks to the device’s integrated ‘gas engine’, the t-mass 150 offers outstanding flexibility as it is possible to change between one utility gas and another without the need for recalibration.
With a wide variety of process connections (threaded, flanged or lap-joints), t-mass 150 is suitable for installation in rectangular ducts or pipes (DN15…1500) with both inline (A 150) and insertion (B 150) versions available. Better still, t-mass 150 offers maintenance-free operation with negligible pressure loss.
|Technical data||A 150 (inline)||B 150 (insertion)|
|Direct measured variables||Mass flow, gas temperature||Mass flow, gas temperature|
|Calculated measured variables||Corrected volume flow, FAD volume flow||Corrected volume flow, FAD volume flow|
|Process connection||Threaded, flanged||Threaded, flanged|
|Pressure||Up to 40 bar||Up to 20 bar|
|Repeatability||±0.5% of value for velocities > 1.0m/s||±0.5% of value for velocities > 1.0m/s|
|Communication||4…20mA HART (pulsed frequency)||4…20mA HART (pulsed frequency)|
|Certification||Non-hazardous areas||Non-hazardous areas|
|Protection||IP66/67, type 4X enclosure||IP66/67, type 4X enclosure|
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