Prosonic - Model FDU95 - Ultrasonic Sensor for Level Measurement for Connection
From Level Measurement-
Ultrasonic sensor for level measurement for connection to FMU9x (measuring range up to 45m). The FDU95 ultrasonic sensor 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 build-up due to the self-cleaning effect of sensors. Suited for explosion hazardous areas. Maximum measuring range in solids 45m (148ft).
Benefits
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Integrated temperature sensor for Time-of-Flight correction. Accurate measurements are possible, even if temperature changes are present
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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
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Integrated automatic sensor detection for transmitters FMU90/FMU95 for simple commissioning
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Weather resistant and flood-proof (IP 68)
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Non-contact measurement method minimizes service requirements
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International Dust-Ex and Gas-Ex certificates available
Field of Application
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.
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Process connection: Thread
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Temperature: -40 to +80°C or +150°C (-40 to +176°F or +302°F)
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Pressure: +0.7 to +1.5bar (+10 to +22psi)
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Maximum measuring range: Solids 45m (148ft)
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Blocking distance: 0.7m / 80°C (2.3ft), 0.9m / 150°C (2.9ft)
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International explosion protection certificates
Features and Specifications
- Measuring Principle: Ultrasonic
- 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 ... 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 absolute / max. overpressure limit:
- 0.7 bar ... 1.5 bar abs
- (10 psi ... 22 psi)
- Main wetted parts:
- UP (unsaturated polyester)
- Silicon / PE foam (80°C / 176°F)
- Silicon / stainless steal (150°C / 302°F))
- 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
- Options: Second 4...20mA output
- Components: Transmitter: FMU90
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