Micropilot M FMR67B

Summary

Product Identification

• Product Name: Micropilot FMR67B
• Communication Protocol: PROFIBUS PA
• Measurement Type: Free-space radar for non-contact level measurement
• Application: Continuous level measurement of powdered to granular bulk solids.

Operating Limits

• Maximum Measuring Range: 125 m (410 ft)
• Process Temperature Range: –40 to +450 °C (–40 to +842 °F) - Note: Ambient temperature limits vary based on housing material and process temperature. See Environment section for details.
• Process Pressure Range: –1 to +160 bar (–14.5 to +2 321 psi)
• Operating Frequency: Approx. 80 GHz

Input

• Measured Variable: Distance between reference point and product surface. Level is calculated based on the entered empty distance.

Performance Characteristics

• Accuracy:
  • Up to 1.5 m measuring distance: max. ±20 mm (±0.79 in)
  • Greater than 1.5 m measuring distance: ±3 mm (±0.12 in)
• Non-repeatability: ≤ 1 mm (0.04 in)
• Measured Value Resolution (Digital): 1 mm
• Response Time: Less than 1 s (with damping switched off, pulse frequency ≥ 5/s)
• Influence of Ambient Temperature: Average TC = 3 mm/10 K

Electrical

• Supply Voltage:
  • Non-hazardous, Ex d, Ex e: 9 to 32 VDC
  • Ex i: 9 to 30 VDC
• Nominal Current: 14 mA
• Error Current (FDE): 0 mA
• Communication: PROFIBUS PA (Manchester Bus Powered (MBP) type 1, 31.25 kBit/s, voltage mode)
• Galvanic Isolation: Yes

Mechanical / Hydraulic

• Antenna Types:
  • PTFE lens antenna
  • Ceramic sealed high-temperature horn antenna
• Process Connections: Flanges with purge air and alignment unit
• Materials: See the official PDF for exact tabulated values.
• Dimensions: See the official PDF for exact tabulated values.
• Weight: See the official PDF for exact tabulated values.
• Degree of Protection: IP66/68, NEMA TYPE 4X/6P (Housing)
• Cable Entries: Various options including M20, G ½, NPT ½ threads, and M12 plug. Degree of protection varies based on installation.

Environment

• Ambient Temperature Range (Standard, without LCD): –40 to +85 °C (–40 to +185 °F)
• Storage Temperature:
  • Without LCD display: –40 to +90 °C (–40 to +194 °F)
  • With LCD display: –40 to +85 °C (–40 to +185 °F)
• Climate Class: DIN EN 60068-2-38 (test Z/AD)
• Installation Height: Generally up to 5000 m (16,404 ft) above sea level.

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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