Proline t-mass I 300 Thermal Mass Flowmeter
Insertion flowmeter with long-term stability and a compact, easily accessible transmitter. Flexible programming based on 21 standard gases or custom gas mixtures. Designed for measurement of utility and process gases in circular piping or rectangular ducts.
Key Features & Benefits
Sensor Advantages
- Premium measurement accuracy and repeatability for high process control
- Reliable monitoring with detection of process disturbances and reverse flow
- Flexible installation suitable for large dimensional range (DN 80 to 1500)
- Bidirectional measurement with high performance
- Patented drift-free sensor with SIL 2 certification
Transmitter Capabilities
- Full access to process and diagnostic information
- Numerous freely combinable I/Os and fieldbuses
- Reduced complexity with freely configurable I/O functionality
- Integrated verification through Heartbeat Technology
- Compact dual-compartment housing with up to 3 I/Os
- Backlit display with touch control and WLAN access
- Remote display option available
Technical Specifications
Measuring Principle
Thermal
Nominal Diameter Range
DN 80 to 1500 (3" to 60")
Max. Measurement Error
Gas: 1.0% o.r. (10-100% o.f.s.), 0.1% o.f.s. (1-10% o.f.s.)
Measuring Range
20 to 733,501 kg/h (44 to 1,669,340 lb/h)
Medium Temperature
-40°C to +180°C (-40°F to +356°F)
Max. Process Pressure
-0.5 to 20 bar_g (-7.25 to 290 psi_g)
Ambient Temperature
-40°C to 60°C (-40°F to 140°F)
Degree of Protection
IP66/67, Type 4X enclosure
Measured Variables
Mass flow, temperature, standard volume flow, volume flow, free air delivery, velocity, heat flow, energy flow, density
Wetted Materials
Insertion Tube & Process Connections
Stainless steel, 1.4404 (316/316L)
Sensing Element
Unidirectional: Stainless steel 1.4404, Alloy C22 2.4602
Bidirectional: Stainless steel 1.4404
Reverse Flow Detection: Stainless steel 1.4404
Sealing Components
Clamping Rings: PEEK, PVDF, 1.4404
Flat Ring Seal: EPDM, FKM
Electrical & Communication
Power Supply
DC 24V or AC 100-240V
Outputs
3 outputs: 4-20 mA HART, 4-20 mA, Pulse/Frequency/Switch, Relay
Inputs
Status input, 4-20 mA input
Digital Communication
HART, Modbus RS485
Display/Operation
4-line backlit display with touch control, remote display available
Transmitter Housing
Aluminium (AlSi10Mg, coated) or Polycarbonate
Certifications & Approvals
Hazardous Area: ATEX, cCSAus, IECEx, NEPSI, JPN, UK Ex, EAC, KC
Product Safety: CE, C-tick
Functional Safety: IEC 61508, applicable per IEC 61511
Metrological: ISO/IEC 17025 calibration, Heartbeat Technology compliant with ISO 9001:2015
Pressure: CRN
Material: 3.1 material certificate, NACE MR0175/MR0103
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