Technical data

Continuous / Liquids
Measuring PrincipleLevel radar
Characteristic / ApplicationHighly resistant - easy to clean
Supply / Communication2-wire (HART / PROFIBUS PA / FOUNDATION Fieldbus)
FrequencyK-Band (~ 26 GHz)
Accuracy+/- 3 mm
Ambient temperature-40 °C...+80 °C
(-40 °F...+176 °F)
Process temperature-40° C...+200° C
(-40 °F...+392 °F)
Process pressure absolute / max. overpressure limitVacuum...16 bar
(Vacuum...232 psi)
Main wetted partsPTFE
Process connectionDN50...DN150

Process connection hygienicTri-Clamp ISO2852
DIN11851
Max. measurement distanceStandard: 40m (131ft)
With additional option F (G): 60m (196ft)

Communication4...20 mA HART
PROFIBUS PA
FOUNDATION Fieldbus
Certificates / ApprovalsATEX, FM, CSA, IECEx, TIIS, NEPSI
Overfill prevention WHG
SIL
EN 10204-3.1
Marine GL
3A, EHEDG

Application limitsMaximum measuring range is dependent on the tank form and/or application

Ammoniacal gas phase
FMR230 in stilling well Strong buildup formation
FMR230 with air purge Small connections with low DK
FMR231 Low DK and high nozzle
FMR240 Custody transfer measurement
FMR5xx