Time-of-Flight
Prosonic FMU41
Cost effective device for sophisticated level measurement in liquids and bulk solids for up to 8m
FMU41-ARB2A2
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
Process connection
G / NPT 2"
Blocking distance
0.35 m (1.15 ft)
Max. measurement distance
Liquids: 8 m (26 ft),
Solids: 3.5 m (11 ft)
Communication
4...20 mA HART
Certificates / Approvals
ATEX, FM, CSA, TIIS, INMETRO, NEPSI
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
