Proline t-mass I 500 Thermal Mass Flowmeter
Product Overview
Insertion flowmeter with long-term stability as remote version with up to 4 I/Os. Flexible, convenient programming based on 21 standard gases or freely definable gas mixtures. Measurement of utility and process gases as well as gas mixtures in circular piping or rectangular ducts.
Key Specifications
| Parameter |
Specification |
| Max. Measurement Error |
Gas: 1.0% o.r. (10 to 100% o.f.s.), 0.1% o.f.s. (1 to 10% o.f.s.) |
| Measuring Range |
20 to 733,501 kg/h (44 to 1,669,340 lb/h) |
| Medium Temperature Range |
-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) |
| Nominal Diameter Range |
DN 80 to 1500 (3 to 60") |
| Ambient Temperature Range |
-40 to 60°C (-40 to 140°F) Optional: Transmitter: -50 to 60°C (-50 to 140°F), Sensor: -60 to 60°C (-60 to 140°F) |
Key Benefits
- Flexible, convenient programming based on 21 standard gases or freely definable gas mixtures
- High level of process control - premium measurement accuracy and repeatability
- Reliable monitoring - detection of process disturbances and reverse flow
- Flexible installation - suitable for large dimensional range and circular pipes or rectangular ducts
- Full access to process and diagnostic information - numerous, freely combinable I/Os and fieldbuses
- Reduced complexity and variety - freely configurable I/O functionality
- Integrated verification - Heartbeat Technology
Wetted Materials
Insertion Tube
Stainless steel, 1.4404 (316/316L)
Process Connections
Stainless steel, 1.4404 (316/316L)
Sensing Element (Unidirectional)
Stainless steel, 1.4404 (316/316L)
Alloy C22, 2.4602 (UNS N06022)
Sensing Element (Bidirectional)
Stainless steel, 1.4404 (316/316L)
Reverse Flow Detection
Stainless steel, 1.4404 (316/316L)
Clamping Rings
PEEK, PVDF, 1.4404 (316/316L)
Technical Features
Sensor Features: High level of process control, reliable monitoring, flexible installation, insertion version for DN 80 to 1500, bidirectional measurement, patented drift-free sensor with SIL 2.
Transmitter Features: Full access to process and diagnostic information, reduced complexity, integrated verification, remote version with up to 4 I/Os, backlit display with touch control and WLAN access, standard cable between sensor and transmitter.
Additional Specifications
| Category |
Details |
| Measured Variables |
Mass flow, temperature, standard volume flow, volume flow, Free air delivery, velocity, heat flow, energy flow, density |
| Transmitter Housing Material |
Aluminium, AlSi10Mg, coated; Polycarbonate |
| Degree of Protection |
IP66/67, Type 4X enclosure; Sensor: IP68, Type 6P (optional) |
| Display/Operation |
4-line backlit display with touch control; Configuration via local display and operating tools; Remote display available |
| Outputs |
4-20 mA HART (active/passive); 4-20 mA (active/passive); Pulse/frequency/switch output (active/passive); Relay output |
| Inputs |
Status input; 4-20 mA input |
| Digital Communication |
HART, Modbus RS485 |
| Power Supply |
DC 24V; AC 100 to 240V |
Certifications & Approvals
- Hazardous Area: ATEX, cCSAus, IECEx, NEPSI, JPN, UK Ex, EAC, KC
- Product Safety: CE, C-tick
- Functional Safety: IEC 61508, applicable in safety-relevant applications per IEC 61511
- Metrological: Calibration performed on accredited facilities (ISO/IEC 17025); Heartbeat Technology complies with ISO 9001:2015
- Pressure: CRN
- Material: 3.1 material certificate; NACE MR0175/MR0103