FDU93 Prosonic Ultrasonic measurement Time-of-Flight

Ultrasonic sensor for level and flow measurement for connection to FMU9x (measuring range up to 25m)

Previous: Prosonic FDU83, FMU801

• Measuring principle

  Ultrasonic

Liquids

• Characteristic / Application

  Separated version with field housing or top hat rail housing for control cabinet instrumentation, 300 m in-between sensor and transmitter

• Supply / Communication

  4-wire (HART, Profibus DP)

• Accuracy

  +/- 2 mm + 0.17% of measured distance

• Ambient temperature

  -40 °C ... 95 °C
  (-40 °F ... 203 °F)

• Process temperature

  -40 °C ... 95 °C
  (-40 °F ... 203 °F)

• Process pressure / max. overpressure limit

  0.7 bar ... 3 bar abs
  (10 psi ... 43 psi)

• Main wetted parts

  UP (unsaturated polyester)
  Silicon / Al PTFE coated

• Process connection

  G / NPT 1"

• Blocking distance

  0.6 m (2 ft)

• Max. measurement distance

  Liquids: 25 m (85 ft),
  Solids: 15 m (50 ft)

• Communication

  Transmitter:
  4...20 mA HART
  Profibus DP

• Certificates / Approvals

  ATEX, FM, CSA, IEC Ex, INMETRO, NEPSI, EAC Ex

• Options

  Second 4...20 mA output

• Components

  Transmitter:
  FMU90, FMU95

• Application limits

  For tank farms scanner:
  FMU95

Solids

• Characteristic / Application

  Separated version with field housing or top hat rail housing for control cabinet instrumentation, 300m in-between sensor and transmitter

• Supply / Communication

  4-wire (HART , Profibus DP)

• Accuracy

  +/- 2mm + 0.17% of measured distance

• Ambient temperature

  -40 °C ... 95 °C
  (-40 °F ... 203 °F)

• Process temperature

  -40 °C ... 95 °C
  (-40 °F ... 203 °F)

• Process pressure / max. overpressure limit

  0.7 bar ... 3 bar abs
  (10 psi ... 43 psi)

• Main wetted parts

  UP (unsaturated polyester)
  Silicon / Al PTFE coated

• Process connection

  G / NPT 1"

• Blocking distance

  0.6 m (2 ft)

• Max. measurement distance

  Liquids: 25 m (85 ft),
  Solids: 15 m (50 ft)

• Communication

  Transmitter:
  4 ... 20 mA HART
  Profibus DP

• Certificates / Approvals

  ATEX, FM, CSA, IEC Ex, INMETRO, NEPSI, EAC Ex

• Options

  Second 4...20mA output

• Components

  Transmitter:
  FMU90