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Measuring principle
Ultrasonic
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Characteristic / Application
Compact ultrasonic transmitter
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Supply / Communication
2-wire HART
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Accuracy
+/- 2 mm or +/- 0,2 % of set measuring range
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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 2″
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Blocking distance
0.35 m (1.15 ft)
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Max. measurement distance
Liquids: 8 m (26 ft),
Solids: 3.5 m (11 ft) -
Communication
4…20 mA HART
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Certificates / Approvals
ATEX, FM, CSA, TIIS, INMETRO, NEPSI
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Application limits
For higher resistance:
FMU42/FDU9x
Foam / high turbulence possible:
FMU42/FDU91
Fast filling and discharging rate:
FMU90 + FDU9x
Level limit detection:
FMU90 + FDU9x