Endress+Hauser FMU40 Ultrasonic measurement Time-of-Flight Prosonic
- Application: Level, Flow measurement
- Max Distance: Liquids 5m, Solids 2m
- Process Temp: -40 to +80 °C
- Certificates: ATEX, FM, CSA, IEC
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Description
Endress+Hauser FMU40: Advanced Ultrasonic Measurement Performance
The Endress+Hauser FMU40: advanced ultrasonic measurement performance sensor is engineered for precision and reliability in demanding industrial environments. This compact ultrasonic transmitter is perfectly suited for non-contact level and flow measurements, catering to a wide array of applications including fluids, pastes, coarse bulk materials, and flow monitoring in open channels or weirs. Whether deployed in storage tanks, alongside agitators, or on stockpiles and conveyor belts, the FMU40 delivers consistent, accurate data. Its user-friendly interface, featuring a four-line plain text display with selectable languages, facilitates quick commissioning and straightforward on-site diagnostics, including the visualization of envelope curves.
Fluids, Pastes, And Bulk Material Monitoring
This versatile transmitter excels in fluids, pastes, and bulk material monitoring, offering a reliable non-contact measurement solution. The FMU40’s hermetically sealed and potted sensor, constructed from chemically resistant PVDF, ensures durability and longevity even when exposed to corrosive media or harsh process conditions. Its ability to measure accurately without physical contact eliminates concerns about sensor wear, fouling, or contamination, common issues in many industrial applications. The integrated temperature sensor automatically compensates for temperature-dependent sound velocity variations, ensuring that the measurement remains precise across a wide ambient and process temperature range of -40 to +80°C.
Storage Tanks And Agitators Level Accuracy
For storage tanks and agitators level accuracy, the Endress+Hauser FMU40 provides a dependable non-contact measurement that guarantees consistent performance. It is ideal for applications where the material may be viscous, prone to build-up, or challenging to measure with contact-based methods. The sensor’s robust design and calibration capabilities, allowing for adjustment without filling or discharging the tank, significantly reduce downtime and simplify operational procedures. Whether monitoring raw materials, intermediate products, or finished goods, the FMU40 ensures that inventory levels are precisely managed, contributing to efficient production planning and logistics.
Open Channels And Weirs Flow Measurement
The FMU40 is an excellent choice for open channels and weirs flow measurement, offering a non-contact method to monitor water levels and calculate flow rates accurately. In these open environments, where traditional flow meters can be subject to clogging or require extensive installation, the ultrasonic FMU40 provides a low-maintenance and reliable solution. Its linearization function allows for the conversion of measured values into units of length, volume, or flow rate, tailored to the specific characteristics of the channel or weir. This adaptability makes it invaluable for water management, environmental monitoring, and industrial process control where accurate flow data is critical.
TPT24: Your Premier Global Source FMU40
When seeking the exceptional Endress+Hauser FMU40, TPT24: your premier global source FMU40 is the undisputed leader in online retail. As the world’s top online store for this advanced ultrasonic transmitter, TPT24 guarantees the absolute authenticity and superior quality of every unit sold. We are dedicated to providing genuine Endress+Hauser instrumentation, assuring you of a product that meets the highest international standards for performance, durability, and precision. Regardless of your geographical location, TPT24 ensures swift, secure, and reliable worldwide delivery, backed by our unwavering commitment to product authenticity and customer satisfaction for your critical measurement needs.
Simplified Diagnostics With On-Site Display
The FMU40 enhances operational efficiency through simplified diagnostics with on-site display features. Its four-line, plain-text display offers clear, easy-to-understand messages for warnings, alarms, and measurement values. Crucially, it can also display envelope curves directly on-site, enabling rapid and straightforward diagnosis of potential issues without the need for external equipment. With seven languages selectable on the display, commissioning and operation are made accessible to a global workforce. This intuitive interface, combined with the sensor’s robust, hermetically sealed construction, minimizes maintenance and maximizes uptime.
Flexible Installation And Wide Application
Offering flexible installation and wide application possibilities, the FMU40 is designed to integrate seamlessly into various industrial setups. It supports process connections via G 1½” or NPT 1½” threads, facilitating straightforward installation in tanks, silos, and open channels. The choice between a two-wire or four-wire instrument, along with HART communication (4-20 mA output), ensures compatibility with a broad spectrum of control systems and automation architectures. Furthermore, the FMU40 is equipped with international explosion protection certificates, including ATEX, FM, CSA, and IEC, allowing for safe and reliable deployment in hazardous or potentially explosive environments.
Future-Proofing With Advanced Technology
The Endress+Hauser FMU40 represents future-proofing with advanced technology, ensuring your measurement solutions remain effective and efficient for years to come. Its non-contact ultrasonic principle, combined with a chemically resistant PVDF sensor and hermetically sealed design, provides exceptional durability. The integrated temperature sensor for automatic correction of sound velocity, coupled with the linearization function for custom unit conversion, offers unparalleled measurement flexibility. For specific demanding applications, alternative configurations such as FMU42/FDU9x for higher resistance, FMU41/FDU91 for foam or high turbulence, and FMU90 + FDU9x for fast filling/discharging rates or level limit detection, are available to meet specialized process requirements.
Specifications
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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
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Process connection
G / NPT 1 1/2″
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Blocking distance
0.25 m (0.8 ft)
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Max. measurement distance
Liquids: 5 m (16 ft),
Solids: 2 m (6.6 ft) -
Communication
4…20 mA HART
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Certificates / Approvals
ATEX, FM, CSA, IEC, INMETRO, NEPSI
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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






