Deskripsi
Ultrasonic Measurement Time-of-Flight
Ultrasonic sensor for level and flow measurement for connection to FMU9x (measuring range up to 10m)
- Category : LEVEL MEASUREMENT
- Model: FDU91-RG1AA
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Approval (R) : Non-hazardous area
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Process Connection (G) : Thread ISO228 G1, PVDF
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Cable Length (1) : 5 m/16 Ft
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Heater (A) : W/o
- Additional Option (A) : Basic version
- Manufacturer: ENDRESS HAUSER AG
SPECIFICATIONS:
Measuring / Application task : Continuous / Liquids
Measuring principle : Ultrasonic
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 … 80 °C (-40 °F … 176 °F)
Process temperature : -40 °C … 80 °C (-40 °F … 176 °F)
Process pressure / max. overpressure limit : 0.7 bar … 4 bar abs (10 psi … 58 psi)
Main wetted parts : PVDF (fully welded IP68 / NEMA6P)
Process connection : G / NPT 1″
Blocking distance : 0.3 m (1 ft)
Max. measurement distance : Liquids: 10 m (33 ft), Solids: 5 m (16 ft)
Communication : Transmitter: 4 … 20 mA HART, PROFIBUS DP
Certificates / Approvals : ATEX, FM, CSA, IEC Ex, INMETRO, NEPSI, UK Ex
Options : Second 4…20 mA output
Components : Transmitter: FMU90, FMU95
Application limits : Foam / high turbulence possible: FDU92, Flange-flush assembly: FDU91F, For tank farms scanner: FMU95
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