Ultrasonic Measurement Time-of-Flight Prosonic FDU95
Brand: Endress+HauserUltrasonic Measurement Time-of-Flight Prosonic FDU95
Brand: Endress+Hauser
The FDU95 ultrasonic sensor is for continuous, non-contact, and maintenance-free level measurement of powdery to coarse bulk materials. The measurement is unaffected by dielectric constant, density, or humidity and also unaffected by buildup due to the self-cleaning effect of sensors. Suited for explosion-hazardous areas. Maximum measuring range in solids is 45m (148ft).
Sensor for continuous, non-contact level measurement of bulk materials in silos, on belts, stockpiles, and in crushers. Typically used in measurements in low structural heights.
- Process connection: Thread
- Temperature: -40 to +80°C or +150°C (-40 to +176°F or +302°F)
- Pressure: +0.7 to +1.5bar (+10 to +22psi)
- Maximum measuring range: Solids 45m (148ft)
- Blocking distance: 0.7m / 80°C (2.3ft), 0.9m / 150°C (2.9ft)
- International explosion protection certificates
- Integrated temperature sensor for time-of-flight correction. Accurate measurements are possible, even if temperature changes are present
- Suited for rough ambient conditions thanks to separate installation from the transmitter (up to 300m)
- Reduced build-up formation because of the self-cleaning effect
- Integrated automatic sensor detection for transmitters FMU90/FMU95 for simple commissioning
- Weather resistant and flood-proof (IP 68)
- Non-contact measurement method minimizes service requirements
- International Dust-Ex and Gas-Ex certificates available
Specifications
Brand
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 or 150 °C
- (-40 °F...176 °F or 302 °F)
Process Temperature
- -40 °C...80 °C or 150 °C
- (-40 °F...176 °F or 302 °F)
Process Pressure / Max. Overpressure Limit
- 0.7 bar...1.5 bar abs
- (10 psi...22 psi)
Main Wetted Parts
- UP (unsaturated polyester)
Process Connection
- G / NPT 1"
Blocking Distance
- 0.7 m / 80 °C
- (2.3 ft / 176 °F)
- 0.9 m / 150 °C
- (2.9 ft / 302 °F)
Max. Measurement Distance
- 45 m (148 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
- FMU90
- FMU95