Micropilot FMR10B

Summary

Product identification

• Product: Micropilot FMR10B
• Type: Free-space radar level sensor
• Document: TI01805F/00/EN/02.24-00, dated 2024-12-09

Application

• Continuous, non-contact level measurement of liquids and bulk solids.
• Flow measurement in open channels or weirs with totalizer.

Operating limits

• Process Temperature: –40 to 60 °C (–40 to 140 °F)
• Process Pressure: –1 to 3 bar gauge (–14 to 43 psi gauge)
• Operating Height: Up to 5,000 m (16,404 ft) above sea level.
• Ambient Temperature Range: –40 to +60 °C (–40 to +140 °F)
• Storage Temperature: –40 to +80 °C (–40 to +176 °F)

Feed water / Medium

• Relative Permittivity (Liquids): εr ≥ 1.8 (contact Endress+Hauser for lower values)
• Relative Permittivity (Bulk Solids): εr ≥ 1.6

Product water / Measurement

• Maximum Measuring Range: 10 m (33 ft)
• Accuracy:
  • Liquids: Up to ± 5 mm (0.2 in) for distances > 0.25 m (0.82 ft).
  • Solids: Up to ± 10 mm (0.39 in) for distances > 0.8 m (2.6 ft).
• Resolution:
  • Current output: < 1 µA
  • Digital: 1 mm (0.04 in)
• Non-repeatability: ≤ 1 mm (0.04 in)
• Warm-up time: ≤ 30 s

Electrical

• Supply Voltage: 12 to 30 VDC
• Power Consumption: Maximum current limited to 500 mA.
• Output Signal: 4 to 20 mA
  • Operating modes: 4 to 20.5 mA, NAMUR NE 43 (3.8 to 20.5 mA factory setting), US mode (3.9 to 20.5 mA).
  • Signal on alarm (current output): Max. alarm 21.5 to 23 mA, Min. alarm < 3.6 mA (factory setting).
• Overvoltage protection: 1,000 V wire to ground for DC power supply and IO lines.
• Overvoltage Category: II

Mechanical / Hydraulic

• Degree of Protection: IP66/68, NEMA Type 4X/6P (24 h at 1.83 m (6.00 ft) under water).
• Antenna: 40 mm (1.5 in)
• Weight (Device with 10 m cable): Approx. 0.7 kg (1.5 lb)
• Materials:
  • Antenna end process connection: PVDF
  • Seals: EPDM
  • Housing: PBT/PC
  • Connecting cable: PVC

Communication

• Wireless Technology: Bluetooth®
• Supported Operating Tools:
  • Free iOS/Android app SmartBlue
  • DeviceCare software (version 1.07.07 and higher)
  • FieldXpert SMT70/SMT77

Environmental

• Vibration Resistance: Guaranteed for 5 to 2,000 Hz: 1.25 (m/s²)²/Hz, ~5 g.
• Electromagnetic Compatibility (EMC): As per EN 61326 series and NAMUR recommendation EMC (NE21). Maximum measured error during EMC testing: < 0.5 % of the span.

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Disclaimer: This extraction may miss figures, footnotes, or revisions. Contractual data must match the OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror