Specification :

Your benefits

Simple, menu-guided operation with 6-line plain text display; 15 languages selectable

Envelope curves on the display for quick and simple diagnosis

Easy operation, diagnosis and measuring point documentation with the supplied " ToF-Tool - FieldTool Package" operating program.

Option: four digital inputs ( e.g. for pump feedback) and one external temperature input

Time-of-flight correction via integrated or external temperature sensors

Linearisation ( up to 32 points, freely configurable)

Linearisation tables for the most common flumes and weirs pre-programmed and selectable

Online calculation of the flume-/ weir-flows via integrated flow curves

Pre-programmed pump control routines

System integration via HART or PROFIBUS DP

Automatic detection of the sensors FDU9x

The sensors of the former series FDU8x can be connected

FMU90 - Field housing - ( see picture)

Ambient temperature: -40...60 ° C / -40...140 ° F
Ingress protection: IP66 / NEMA 4x
Number of sensors: up to 2 sensors

FMU90 - DIN rail housing - ( no picture)

Ambient temperature: -40...60 ° C / -40...140 ° F
Ingress protection: IP20
Number of sensors: up to 2 sensors

Field of application

Application for level measurements

Continuous, non-contact level measurement of fluids, pastes, sludge and powdery to coarse bulk materials with 1 or 2 ultrasonic sensors

Measuring range up to 70 m ( depending on sensor and material measured)

Level limit detection ( up to 6 relays)

Pump control ( alternating) ; rake control

Option: additional pump control functions ( pump function test, ...)

Calculations: average, difference, sum

Application for flow measurements

Flow measurement in open channels and measuring weirs with 1 or 2 ultrasonic sensors

Simultaneous measurement of level and flow in a stormwater overflow basin with only 1 sensor

Flow measurement with back water detection ( 2 sensors) or sludge detection

Up to 3 totalizers and 3 ( resettable) counters; optionally resettable via digital inputs

Counting or time pulse output for control of external units
Order information
Production time:
Endress+ Hauser works to a defined standard production time ( from order entry to goods issue) depending on the variant of the Prosonic S FMU90.
Production times can be confirmed via your contact person or via the online shop.

Distribution:
Endress+ Hauser will ship your order direct to your delivery address. In certain cases express or emergency shipments can be made on request.

Track & Trace:
Check your order status online using your reference number or the Endress+ Hauser order confirmation number.

Spare Parts Logistics:
Spare parts are handled as standard products with a short standard delivery time. On request we deliver on shortest possible delivery time ( extra charge) .