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Proline t-mass F 300
thermal mass flowmeter

- Measuring principle

Thermal

- Product headline

Inline flowmeter with long-term stability and a compact, easily accessible transmitter.
Flexible, convenient programming based on 21 standard gases or freely definable gas mixtures thereof.
Measurement of utility and process gases as well as gas mixtures in small line sizes.

- Sensor features

High level of process control – premium measurement accuracy and repeatability.

Reliable monitoring – detection of process disturbances and reverse flow. Easy maintenance – removable sensor.
Inline version with DN 15 to 100 (½ to 4"). Bidirectional measurement; high measuring performance. Patented drift-free sensor with SIL 2.

- Transmitter features

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.
Compact dual-compartment housing with up to 3 I/Os. Backlit display with touch control and WLAN access. Remote display available.

- Nominal diameter range

DN 15 to DN 100 (1/2" to 4")

- Wetted materials

Measuring tubes
DN 15 to 50 (½ to 2"): stainless cast steel, CF3M/1.4408
DN 65 to 100 (2½ to 4"): stainless steel, 1.4404 (316/316L)
Process connections
Flange connections
Stainless steel, 1.4404 (F316/F316L)
Threaded connections
Stainless steel, 1.4404 (316/316L)
Sensing element
Unidirectional
Stainless steel, 1.4404 (316/316L)
Alloy C22, 2.4602 (UNS N06022);
Bidirectional
Stainless steel, 1.4404 (316/316L)
Reverse flow detection
Stainless steel, 1.4404 (316/316L)

- Measured variables

Massflow, temperature, standard volume flow, volume flow, Free air delivery, velocity, heat flow, energy flow, density

- 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

0.5 to 3750 kg/h (1.1 to 8250 lb/h)

- Max. process pressure

PN40 / Cl. 300 / 20K

- Medium temperature range

-40 °C to +180°C (-40 °F to +356 °F)

- 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)

- Transmitter housing material

Aluminium, AlSi10Mg, coated
Polycarbonate

- Degree of protection

IP66/67, Type 4X enclosure

- Display/Operation

4-line backlit display with touch control (operation from outside)
Configuration via local display and operating tools possible
Remote display available

- Outputs

3 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

- Hazardous area approvals

ATEX, cCSAus, IECEx, NEPSI, JPN, UK Ex

- Product safety

CE, C-tick

- Functional safety

Functional safety according to IEC 61508, applicable in safety-relevant applications in accordance with IEC 61511

- Metrological approvals and certificates

Calibration performed on accredited calibration facilities (acc. to ISO/IEC 17025)
Heartbeat Technology complies with the requirements for measurement traceability according to ISO 9001:2015 – Section 7.1.5.2 a

- Pressure approvals and certificates

PED, CRN

- Material certificates

3.1 material
NACE MR0175/MR0103

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