Micropilot FMR30B

Summary

Product identification

• Product Name: Micropilot FMR30B HART
• Product Type: Free-space radar level sensor
• Communication: HART

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 80 °C (–40 to 176 °F)
• Process Pressure:
  • 40 mm (1.5 in) antenna: –1 to 3 bar (–14.5 to 43.5 psi) gauge; < 4 bar (58 psi) absolute.
  • 80 mm (3 in) antenna with 3" or 4" UNI slip-on flange: –1 to 1 bar (–14.5 to 14.5 psi) gauge; < 2 bar (29 psi) absolute.
  • 80 mm (3 in) antenna with 6" UNI slip-on flange: For unpressurized applications.
• Maximum Measuring Range: Up to 30 m (98.4 ft) depending on antenna size and medium.
• Operating Height: Up to 5,000 m (16,404 ft) above sea level.
• Ambient Temperature Range: –40 to +80 °C (–40 to +176 °F).
• Storage Temperature: –40 to +80 °C (–40 to +176 °F).

Feed water

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

Product water

• Accuracy:
  • Liquids: Up to ± 2 mm (±0.08 in) for measuring distances > 0.25 m (0.82 ft). Max. ±10 mm (±0.39 in) up to 0.25 m.
  • Solids: Up to ± 4 mm (±0.16 in) for measuring distances > 0.8 m (2.6 ft). Max. ±20 mm (±0.79 in) up to 0.8 m.

Electrical

• Output Signal: 4 to 20 mA with superimposed digital communication protocol HART, 2-wire.
  • Modes: 4 to 20.5 mA, NAMUR NE 43 (3.8 to 20.5 mA), US mode (3.9 to 20.5 mA).
• Supply Voltage: 12 to 30 VDC.
• Power Consumption: Varies by area classification (hazardous/non-hazardous).
• HART Load: Min. 250 Ω.
• Communication: HART protocol, Bluetooth® wireless technology (optional).

Mechanical / hydraulic

• Degree of Protection: IP66/67 / NEMA Type 4X.
• Antenna Sizes: 40 mm (1.5 in) and 80 mm (3 in).
• Weight:
  • 40 mm antenna: approx. 0.4 kg (0.9 lb).
  • 80 mm antenna: approx. 0.6 kg (1.3 lb).
• Materials:
  • Antenna end process connection: PVDF.
  • Sensor housing: PBT/PC.
  • Process connection, cable entry: PA (for M20 gland).

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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