Fdu91

Updated September 20, 2026

Overview

Product sourcing insights & recommendations

22 来源

The phrase 'fdu91' refers to the Prosonic FDU91, a high-precision ultrasonic level sensor manufactured by Endress+Hauser Instrumart Endress. It is a cornerstone product in the industrial instrumentation market, specifically designed for non-contact, maintenance-free level and flow measurement across diverse sectors such as water/wastewater, chemical processing, and mining Dubai-Sensor Endress.

Key Product Insights

* Performance: Offers a measuring range of up to 10 meters for liquids and 5 meters for bulk solids, with a precision accuracy of ±2 mm + 0.17% of the measured distance Endress Instrumart.

* Durability: Engineered for harsh environments, featuring a hermetically welded PVDF housing, IP68 ingress protection (flood-proof), and an optional integrated heater to prevent ice formation Endress.

* Maintenance: A unique self-cleaning diaphragm vibrates to reduce build-up, ensuring reliable operation in dusty or sticky media without frequent intervention Endress.

Market Trends & Industry Outlook

* Robust Growth: The global ultrasonic sensor market is projected to grow at a CAGR of over 10%, reaching valuations between $7.5 billion and $15.5 billion by 2030-2033 Coherentmarketinsights Grandviewresearch.

* Digital Integration: The rise of Industry 4.0 and IoT is driving demand for sensors like the FDU91 that offer HART and PROFIBUS DP communication for real-time data monitoring and automated process control Endress.

* Smart City Adoption: There is increasing momentum in using these sensors for urban utility management, such as monitoring bin fill levels and water reservoir states Grandviewresearch.

Sourcing & Availability

The market for FDU91 sensors includes a mix of authorized distributors and secondary market suppliers. Prices for new units typically range from $300 to $999, depending on configurations and order volumes.

Key Products: I have identified 30 product listings for the Prosonic FDU91 and compatible ultrasonic sensors, including detailed pricing and technical specifications.
Top Suppliers: A curated list of 53 verified B2B suppliers and manufacturers is available, featuring companies with extensive experience in level measuring instruments and certifications like ISO 9001 and CE.

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Sources & References

22 sources cited · Verified industry data & reports

E+H Prosonic FDU91 Ultrasonic Level Sensor

Instrumart

Starting at $759.49. The E+H FDU91 Ultrasonic Level Sensor is designed for continuous, non-contact and maintenance-free level measurement of fluids, pastes, ...

Ultrasonic measurement Time-of-Flight Prosonic FDU91

Endress+Hauser

The FDU91 ultrasonic sensor for continuous, non-contact and maintenance-free level measurement of fluids, pastes, sludges and powdery to coarse bulk materials.

Ultrasonic Level Sensor Prosonic FDU91 | Endress+Hauser

Dubai Sensor

The FDU91 ultrasonic sensor provides continuous, non-contact, and maintenance-free level measurement for liquids, pastes, sludges, and bulk materials,

ENDRESS HAUSER FDU91-RN1AA Prosonic ...

eBay

FDU91 Ultrasonic Level Sensor. $700.00 As low as $62.85/mo. Weather resistant and flood-proof (IP68). Reduced build-up formation.

Prosonic FDU91 Ultrasonic ToF | Endress+Hauser

TriNova

The FDU91 ultrasonic sensor for continuous, non-contact and maintenance-free level measurement of fluids, pastes, sludges and powdery to coarse bulk materials.

FDU91-RG2AA Ultrasonic Measurement Time-Of-Flight ...

instrumentsensors.com

The FDU91 ultrasonic sensor for continuous, non-contact and maintenance-free level measurement of fluids, pastes, sludges and powdery to coarse bulk materials.

Fdu91

Overview

Key Product Insights

Market Trends & Industry Outlook

Sourcing & Availability

Prosonic Fdu91 Ultrasonic Level Sensor

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Sources & References