Technical
Information
TI 246F/00/en
Ultrasonic Level Measurement
prosonic T FMU 130, 131
prosonic T FMU 230, 231, 232
Compact transmitter for continuous,
non-contact level measurement
Available as a Smart transmitter or
for connection to process control systems
Application
The Prosonic T is a compact ultrasonic
transmitter for continuous non-contact
level measurement in liquids and in
coarse-grained or pelleted solids. The
Prosonic T series consists of three
transmitters, which can be equipped
with one of several electronic modules,
with graduated measuring ranges from
0.25 m (0.8 ft) upwards.
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FMU 130, 230
in coarse-grained solids (grain size
from 4 mm/0.16 in) up to 2 m/6.6 ft
in liquids up to 5 m/16.4 ft
(2 wire instruments: 4 m/13 ft)
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FMU 131, 231
in coarse-grained solids (grain size
from 4 mm/0.16 in) up to 3.5 m/11.5 ft
in liquids up to 8 m/26.2 ft
(2 wire instruments: 7 m/23 ft)
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FMU 232
in coarse-grained solids (grain size
from 4 mm/0.16 in) up to 7 m/23 ft
in liquids up to 15 m/49.2 ft
All transmitters are equipped with an
integrated temperature sensor for
time-of-flight compensation.
Features and Benefits
Fits exactly to the process
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Threaded connections from G 1
1
/
2
or
1
1
/
2
NPT or flange 4" or DN 100
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Fully rotatable housing
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LEDs visible through housing cover
allow quick monitoring of operational
status
Electronics versions
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FMU 130, 131: 2-wire loop-powered
general approval for "EEx ia"/
ATEX II 2 G
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FMU 230, 231: 2-wire loop-powered or
4-wire including mains power supply
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FMU 232: 4-wire, optional approval for
dust Ex Zone 10 / ATEX II 1/3 D
including mains power supply
Intelligent operation and evaluation
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Simple local push-button operation,
with optional display
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HART protocol for remote operation
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Digital communication with
PROFIBUS-PA
HART is a registered trademark of the
HART Communication Foundation
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