Two-wire or four-wire instrument for continuous non-contact level
and flow measurement.
Process connection: Thread
Temperature: -40 to +80°C (-40 to +176°F)
Pressure: +0.7 to +3bar (+10 to +44psi)
Maximum measuring distance: Liquids 5m (16ft), Solids 2m (16ft)
Blocking distance: Liquids and Solids 0.25m (0.8ft)
International explosion protection certificates
Specifications
Measuring principle | Ultrasonic |
Characteristic / Application | Compact ultrasonic transmitter |
Supply / Communication | 2-wire HART |
Accuracy | +/- 2 mm or +/- 0.2 % of set measuring range |
Ambient temperature | -40 °C ... 80 °C
(-40 °F ... 176 °F) |
Process temperature | -40 °C ... 80 °C
(-40 °F ... 176 °F) |
Process pressure / max. overpressure limit | 0.7 bar ... 3 bar abs
(10 psi ... 44 psi) |
Main wetted parts | PVDF |
Process connection | G / NPT 1 1/2" |
Blocking distance | 0.25 m (0.8 ft) |
Max. measurement distance | Liquids: 5 m (16 ft),
Solids: 2 m (6.6 ft) |
Communication | 4...20 mA HART |
Certificates / Approvals | ATEX, FM, CSA, IEC, INMETRO, NEPSI |
Application limits | For higher resistance:
FMU42/FDU9x
Foam / high turbulence possible:
FMU41/FDU91
Fast filling and discharging rate:
FMU90 + FDU9x
Level limit detection:
FMU90 + FDU9x |
