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

Proline t-mass 65F
Thermal mass flowmeter

Robust flowmeter with adaptation to changing process conditions

65F
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from CHF 803.-

Specs at a glance

  • 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)

  • Medium temperature range

    -40 °C to +100 °C (-40 °F to +212 °F)

  • Max. process pressure

    PN40 / Cl. 300 / 20K

  • 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

Field of application

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.

  • 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 up to PN 40, Class 300

  • High accuracy: ±1.5 % o.r. (10 to 100 % o.f.s.)

  • Device as compact or remote version

  • 4-20 mA HART, PROFIBUS PA/DP, Modbus RS485, FF

  • Worldwide approvals (Hazardous areas)

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 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

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