Proline t-mass B 150 Thermal Mass Flowmeter
The flowmeter for cost-effective measurement and easy monitoring of
utility gases. Suitable for air, nitrogen, carbon dioxide and argon
in circular piping or rectangular ducts.
Field of Application
The t-mass B 150 insertion version is suitable for large pipelines
or rectangular ventilation ducts. It is designed for cost-effective
measurement of utility gases, particularly compressed air. This
trending device is ideal for sub-metering applications with 4-wire
technology contained within a rugged compact aluminum housing.
Key Benefits
- Suitable for air, nitrogen, carbon dioxide and argon in circular
piping or rectangular ducts
- 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
- Fast and efficient commissioning - guided operating menus
- High plant availability - self-diagnostics and error monitoring
- Automatic recovery of data for servicing
Technical Specifications
Measuring Principle
Thermal mass flow measurement
Measured Variables
Mass flow, temperature, corrected volume flow, FAD volume flow
Performance Specifications
Max. Measurement Error: 3% o.r. / 4% o.r. / 5% o.f.s.
Measuring Range (air): 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)
Medium Temperature: -40 to +100 °C (-40 to +212 °F)
Max. Process Pressure: 20 bar g (290 psi g)
Ambient Temperature: -40 to +60 °C (-40 to +140 °F)
Nominal Diameter: DN 80 to 1500 (3" to 60")
* Depending on chosen option of ordering feature "Calibration flow"
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
Electrical & Communication
Power Supply: DC 18 to 30 V
Outputs: 4-20 mA HART (active)
Pulse/frequency/switch output (passive)
Inputs: Status input
Digital Communication: HART
Display/Operation: 4-line display with push buttons
Construction & Protection
Transmitter Housing: AlSi10Mg, coated
Degree of Protection: IP66/67, type 4X enclosure
Approvals & Certifications
Hazardous Area: ATEX, IECEx, cCSAus
Metrological: Calibration performed on accredited calibration
facilities (acc. to ISO/IEC 17025), NAMUR
Pressure: CRN
Device Features
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
- Insertion version for nominal diameter DN 80 to 1500 (3" to 60")
- Installation and removal of sensor without process interruption
- Easy installation
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
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