Proline t-mass 65F
Thermal mass flowmeter

Picture of thermal mass flowmeter t-mass 65F with flanges for industrial gases & compressed air ©Endress+Hauser

Proline t-mass 65F with flanges for industrial gases and compressed air

The Thermal Flow Measuring Principle

  • Picture of thermal mass flowmeter t-mass 65F with flanges for industrial gases & compressed air

Robust flowmeter with adaptation to changing process conditions

The t-mass 65F inline device is specially designed for the direct mass flow measurement of industrial gases and compressed air. With a turndown of typically 100:1 it can measure accurately operational flow rates and off line leakage. The integrated gas engine allows the customer to configure the device for 20 freely selectable gases.

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Additional components

  • Benefits

    • Measurement of gases and gas mixtures in small line sizes

    • Plant safety – high accuracy and repeatability for a wide range of utility and process gases

    • Cost-effective measurement – easy installation, negligible pressure loss and maintenance-free

    • Reliable...

  • Field of application

    • Measuring principle is characterized by a high operable flow range and direct mass flow measurement

    • Measurement of gases and gas mixtures in small line sizes.

    Device properties

    • Inline version: nominal diameter DN 15 to 100 (1/2 to 4")

    • Process pressure...

Features and specifications

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Details

  • Measuring principle

    Thermal

  • Product headline

    High-performing flowmeter with intelligent and dynamic adaptation to changing process conditions. Measurement of gases and gas mixtures in small line sizes.

  • Sensor features

    Plant safety – high accuracy and repeatability for a wide range of utility and process gases. Cost-effective measurement – easy installation, negligible pressure loss and maintenance-free. Reliable flow trending – multivariable measurement. Inline version: nominal diameter DN 15 to 100 (½ to 4"). Process pressure up to PN 40, Class 300.

  • Transmitter features

    Flexible device configuration to suit the application – integrated “Gas Engine” functionality. For demanding applications – user-definable gas mixtures, high repeatability and accuracy. Automatic recovery of data for servicing. Device as compact or remote version. 4-20 mA HART, PROFIBUS PA/DP, Modbus RS485, FF.

  • Nominal diameter range

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

  • Wetted materials

    Transducer: 1.4404 (316L); Alloy C22, 2.4602 (UNS N06022)
    Process connections: 1.4404 (316L/316)

    Sensor body:
    DN 15 to 25 (1/2"" to 1""): CF3M-A351
    DN 40 to 100 (1-1/2"" to 4""): 1.4404 (316/316L)
    Bushing: PEEK GF30, PVDF
    O-ring seals: EPDM, Kalrez 6375, Viton FKM

  • Measured variables

    Mass flow, temperature, volume flow, energy flow

  • Max. measurement error

    Gas: 1.5% o.r. (10 to 100% o.f.s.), 0.15% 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 +100 °C (-40 °F to +212 °F)

  • Ambient temperature range

    -20 °C to +60 °C (-4 °F to +140 °F)
    Optional: -40 °C to +60 °C (-40 °F to +140 °F)

  • Transmitter housing material

    Transmitter housing:
    Compact: powder coated die-cast aluminium
    Wall-mount: powder coated die-cast aluminium
    Remote field: powder coated die-cast aluminium
    Connection housing (remote version): powder coated die-cast aluminium

  • Degree of protection

    IP 67
    NEMA 4x

  • Display/Operation

    Liquid crystal: back-lit, two lines with 16 characters per line
    Configuration via local display and operating tools possible

  • Outputs

    4-20mA HART (active/passive selectable), pulse, frequency, status

  • Inputs

    4-20mA, status input

  • Digital communication

    HART, PROFIBUS DP, PROFIBUS PA, FOUNDATION Fieldbus, Modbus RS485

  • Power supply

    85 to 260 VAC, 45 to 65 Hz
    20 to 55 VAC, 45 to 65 Hz
    16 to 62 VDC

  • Hazardous area approvals

    ATEX, FM, CSA, NEPSI

  • Product safety

    CE, C-tick, EAC marking

  • Pressure approvals and certificates

    PED, CRN

  • Hygienic approvals and certificates

    Oxygen service (certified acc. To BS IEC 60877)

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