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Measuring principle
Level radar
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Characteristic / Application
Horn antenna:
High precision measurement for for storage tanks up to 20 m (65ft)
Parabolic antenna:
High precision measurement for free space applications up to 40 m (131 ft) -
Supply / Communication
4-wire (HART)
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Frequency
K-band (~26 GHz)
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Accuracy
+/- 1 mm
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Ambient temperature
Standard:
-40°C…80°C
(-40°F…176°F)
For calibration to regulatory standards:
-25°C…60°C
(-13°F…131°F) -
Process temperature
-40°C…200°C
(-40°F…392°F) -
Process pressure / max. overpressure limit
Horn: Vacuum…16 bar (232 psi)
Parabolic: Vacuum…6 bar (87 psi)
Use of UNIflange: Vacuum…1 bar (14.5 psi) -
Main wetted parts
316L
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Process connection
Horn Antenna: DN100, DN150 Flange
UNIFlange DN150, DN200, DN250
Parabolic antenna: UNIflange with Top Target
positioner DN200, DN250
For dk value < 1.9, contact Endress+Hauser -
Communication
4…20 mA HART
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Certificates / Approvals
ATEX, FM, CSA, IEC Ex, NEPSI
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Application limits
Maximum measuring range is dependent on the tank form and/or application
Strong condensate or build-up formation
FMR53x
Existing stilling wells with non-ideal measuring conditions
FMR532
Field of application
Micropilot FMR540 is used for custody transfer and inventory control applications with NMi- and PTB-approvals and meets the requirements according to OIML R85 and API 3.1B. FMR540 with parabolic antenna is particularly suited for free space applications up to 40m and with horn antenna for free space applications that disallow the use of a parabolic antenna due to tank/nozzle geometry. Cost-effective and simple installation via 4-wire cable with HART and 24 V DC intrinsically safe power supply.
Parabolic antenna suited for free space applications up to 40m offers high beam focusing for applications with nozzle situated close to tank wall, 4″/DN100 horn antenna suited for free space applications.
Process connection: Flange
Temperature: -40 to +200°C (-40 to +392°F)
Pressure: Vacuum to +16bar (Vacuum to +232psi)
Maximum measuring range: 40m (131ft)
Accuracy: Better than ±1mm
K-band: 26GHz
International explosion protection and custody transfer certificates, overfill prevention WHG, SIL
Benefits
Better than 1mm accuracyNational approvals (NMi, PTB) for custody transferApplicable as stand-alone system or integrated into tank gauging systems via the Tank Side Monitor NRF590Cost-effective and simple installation via 4-wire cable with HART and 24 V DC intrinsically safe power supplyAlignment device to compensate any flange inclinationEasy on-site operation via menu-driven alphanumeric displayEasy commissioning, documentation and diagnostics via operating software (FieldCare)