Micropilot FMR43

Summary

Product identification

• Product Name: Micropilot FMR43 HART
• Technology: Free-space radar
• Document: TI01728F/00/EN/04.24-00

Application

• Continuous, non-contact level measurement of liquids and solids in hygienic applications.
• Process connections available for hygiene applications (e.g., Tri-Clamp or M24 adapter).
• Suitable for CIP and SIP capabilities with protection class IP69.

Operating limits

• Maximum measuring range: 15 m (49 ft)
• Process temperature: –40 to +150 °C (–40 to +302 °F)
• Pressure: –1 to +20 bar (–14.5 to +290 psi)

Performance characteristics

• Accuracy: ±1 mm (±0.04 in)
• Reference conditions:
  • As per IEC 62828-2
  • Ambient temperature TA = +21 to +33 °C (+70 to +91 °F)
  • Humidity = 5 to 80 % RH ± 5 %
  • Atmospheric pressure = 860 to 1060 mbar (12.47 to 15.37 psi)
  • Load with HART: 250 Ω
  • Supply voltage: 24 VDC ±3 VDC
  • Reflector: metal plate with diameter ≥ 1 m (40 in)
• Maximum measurement error:
  • Liquids:
    • Up to 0.15 m: max. ±4 mm (±0.16 in)

    • 0.15 m: ±1 mm (±0.04 in)

  • Solids:
    • Up to 0.4 m: max. ±20 mm (±0.79 in)

    • 0.4 m: ±3 mm (±0.12 in)

• Non-repeatability: ≤ 1 mm (0.04 in)
• Warm-up time: ≤ 30 s (according to IEC 62828-4)

Feed water

• Dielectric constant (εr):
  • For liquids: ≥ 1.2
  • For bulk solids: ≥ 1.6

Product water

Not specified in the extract.

Electrical

• Output signal: 4 to 20 mA with superimposed digital communication protocol HART, 2-wire.
• Power supply: 12 to 30 VDC on a direct current power unit.
• Power consumption:
  • Non-hazardous area: Max. current limited to 500 mA.
  • Hazardous area: Max. current restricted to 100 mA by the transmitter power supply unit.
• HART load: Min. 250 Ω.

Mechanical / hydraulic

• Antenna materials: PTFE or PEEK for hygienic requirements.
• Process connections: Various options including Tri-Clamp and M24 adapter concepts.
• Housing weight: 0.2 kg (0.44 lb) (including electronics and onsite display).
• Weight of process connection and antenna: Varies by type (e.g., Process connection MNPT/G ½, antenna 180 GHz; PTFE: 0.140 kg (0.31 lb)).
• Materials in contact with process: Specific details provided for various process connections and seals (FKM, EPDM, PTFE cladding, PEEK cladding).
• Surface roughness: Not specified in the extract.

Environment

• Ambient temperature range:
  • For MNPT/G ½, M24 180 GHz, Tri-Clamp, Neumo Bio Control: –40 to +80 °C (–40 to +176 °F)
  • For MNPT/G ¾, MNPT/G 1½, G1, M24 80 GHz: –40 to +80 °C (–40 to +176 °F)
  • Permitted ambient temperature is reduced at higher process temperatures.
• Storage temperature: –40 to +85 °C (–40 to +185 °F)
• Operating height: Up to 5000 m (16404 ft) above sea level.
• Degree of protection: IP66/68/69, NEMA type 4X/6P for mounted M12 connecting cable.
• Vibration resistance: Guaranteed for 5 to 2000 Hz: 1.25 (m/s²)²/Hz, ~ 5 g.
• Shock resistance: 30 g (18 ms) in all 3 axes.

Disclaimer

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