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Measuring principle
Thermal
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Product headline
The flowmeter for cost-effective measurement and easy monitoring of utility gases.
Suitable for air, nitrogen, carbon dioxide and argon in small line sizes. -
Sensor features
Optimal process monitoring – easy measurement even at low pressures and flow velocities. Cost-effective measurement – easy installation, negligible pressure loss and maintenance-free. Reliable flow trending – multivariable measurement.
Inline version: DN 15 to 50 (½ to 2″). Process pressure up to PN 40, Class 300. A variety of process connections available. -
Transmitter features
Fast and efficient commissioning – guided operating menus. High plant availability – self‐diagnostics and error monitoring. Automatic recovery of data for servicing.
Device in compact version with DC 24 V power supply. 4-20 mA HART, pulse/frequency/switch output. Compact and robust transmitter. -
Nominal diameter range
DN 15 to 50 (½ to 2″)
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Wetted materials
Transducer: 1.4404 (316L)
Insertion tube: 1.4404 (316L)
Measuring tube: 1.4404 (316L); 1.4435 (316L)
Connection: 1.4404 (F316/F316L); 1.4404 (316L); 1.4435 (316L) -
Measured variables
Mass flow, temperature, corrected volume flow, FAD volume flow
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Max. measurement error
3 % o.r.
4 % o.r.
5 % o.f.s.
(depending on chosen option of ordering feature “Calibration flow”) -
Measuring range
0.5 to 910 kg/h (1.1 to 2002 lb/h)
0.5 to 1365 kg/h (1.1 to 3003 lb/h)
(for air, depending on chosen option of ordering feature “Calibration flow”) -
Max. process pressure
PN 40, Class 300
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Medium temperature range
–40 to +100 °C (–40 to +212 °F)
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Ambient temperature range
–40 to +60 °C (–40 to +140 °F)
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Transmitter housing material
AlSi10Mg, coated
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Degree of protection
IP66/67, type 4X enclosure
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Display/Operation
4‐line display with push Buttons
Configuration via local display and operating tools possible -
Outputs
4‐20 mA HART (active)
Pulse/frequency/switch output (passive) -
Inputs
Status input
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Digital communication
HART
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Power supply
DC 18 to 30 V
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Hazardous area approvals
ATEX, IECEx, cCSAus
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Metrological approvals and certificates
Calibration performed on accredited calibration facilities (acc. to ISO/IEC 17025), NAMUR
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Pressure approvals and certificates
PED, CRN
Field of application
The t-mass A 150 device is specially 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.
Measuring principle is characterized by a high operable flow range and direct mass flow measurement
Suitable for air, nitrogen, carbon dioxide and argon in small line sizes.
Device properties
Inline version: nominal diameter DN 15 to 50 (1/2 to 2″)
Process pressure up to PN 40, Class 300
A variety of process connections available
Device in compact version with DC 24 V power supply
4-20 mA HART, pulse/frequency/switch output
Compact and robust transmitter
Benefits
Suitable for air, nitrogen, carbon dioxide and argon in small line sizesOptimal process monitoring – easy measurement even at low pressures and flow velocitiesCost-effective measurement – easy installation, negligible pressure loss and maintenance-freeReliable flow trending – multivariable measurementFast and efficient commissioning – guided operating menusHigh plant availability – self-diagnostics and error monitoringAutomatic recovery of data for servicing