Technical Information
Prosonic M FMU40/41/42/43/44
Ultrasonic Level Measurement
Compact transmitters for non-contact level measurement of fluids,
pastes and coarse bulk materials
Application
• Continuous, non-contact level measurement in fluids,
pastes, sullages and coarse bulk materials
• Flow measurement in open channels and measuring
weirs
• System integration via:
– HART (standard), 4 to 20mA
– PROFIBUS PA
– FOUNDATION Fieldbus
• Maximum measuring range:
– FMU40: 5 m (16 ft) in fluids,
2 m (6.6 ft) in bulk materials
– FMU41: 8 m (26 ft) in fluids,
3,5 m (11 ft) in bulk materials
– FMU42: 10 m (33 ft) in fluids,
5 m (16 ft) in bulk materials
– FMU43: 15 m (49 ft) in fluids,
7 m (23 ft) in bulk materials
– FMU44: 20 m (66 ft) in fluids,
10 m (33 ft) in bulk materials
TI00365F/00/EN/15.12
71197996
Features and benefits
• Quick and simple commissioning via menu-guided on-
site operation with four-line plain text display;
7 languages selectable
• Envelope curves on the on-site display for simple
diagnosis
• Easy remote operation, diagnosis and measuring point
documentation with the free operating program
FieldCare supplied.
• Suitable for explosion hazardous areas
(Gas-Ex, Dust-Ex)
• Linearization function (up to 32 points) for conversion
of the measured value into any unit of length, volume
or flow rate
• Non-contact measurement method minimizes service
requirements
• Optional remote display and operation (up to 20 m
(66 ft) from transmitter)
• Installation possible from thread G 1½" or 1½" NPT
upwards
• Integrated temperature sensor for automatic
correction of the temperature dependent sound
velocity