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Solimotion FTR20 - Microwave flow indicator

Microwave flow indicator
Solimotion FTR20

For monitoring pneumatic and mechanical transport processes for bulk solids

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  • Measuring principle

    Microwave barrier

  • Characteristic / Application

    Flow indicator for bulk solids
    Non-contact motion detection (movement / no movement)
    of pneumatically or mechanically conveyed bulk solids of all kinds,
    also in potentially explosive atmospheres (dust Ex)
    Detection of changes in the mass flow of bulk solids
    via the optional 4 - 20 mA current output

  • Ambient temperature

    -40°C ... +70°C

  • Process temperature

    -40°C ... +70°C
    (-40°F ...158°F)
    With adapter for temperature reduction:
    -40°C to +450°C
    -40°F ...+842°F)

  • Process pressure / max. overpressure limit

    0.5 ... 6.8 bar abs standard
    (7.2 ... 98.6 psi abs)
    When using the adapter for temperature reduction:
    0.8 to 5.1 bar abs
    (11.6 ...74 psi abs)

  • Main wetted parts

    Sensor diaphragm: PTFE or ceramic

  • Process connection

    Thread R 1½ (EN 10226)
    NPT 1½ (ASME B1.20.1)

  • Communication

    Relay SPDT
    Analog 4 - 20 mA
    Solid-state relay

  • Certificates / Approvals


  • Design approvals


  • Options

    Adapter for temperature reduction