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Micropilot NMR81 - Radar

Radar measurement
Micropilot NMR81

Drip-off lens antenna with 80 GHz transmitting frequency for custody transfer applications

NMR81
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Micropilot NMR81
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©Endress+Hauser
Micropilot NMR81
  • F
  • L
  • E
  • X
©Endress+Hauser

Specs at a glance

  • Accuracy

    up to 0.5 mm

  • Process temperature

    -40°C...200°C
    (-40°F...392°F)

  • Process pressure / max. overpressure limit

    Vacuum.....16 bar abs

  • Max. measurement distance

    70 m (230 ft)
    For calibration to regulatory standards:
    50 m (164 ft)

  • Main wetted parts

    316L, PTFE

Field of application

Micropilot NMR81 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. NMR81 is particularly suited for free space applications up to 70m. The drip-off lens antenna with 80 GHz transmitting frequency produces a sharply focused beam angle of 3° and avoids obstacles even close to tank wall.

80GHz drip-off lens antenna suited for free space applications up to 70m offers high beam focusing for applications with nozzle situated close to tank wall.

  • Process connections: Flanges

  • Temperature: -40 to +170°C (-40 to +338°F)

  • Pressure: Vacuum to +16bar (Vacuum to +232psi)

  • Maximum measuring range: 70m (230ft)

  • Accuracy: ±0.5mm (±0.02")

  • Transmitting frequency: 80GHz

  • International explosion protection and custody transfer certificates, overfill prevention WHG, SIL

Benefits

  • Hardware and software developed according to IEC 61508 up to SIL3 (in homogeneous redundancy) for high level of safety

  • Maximum reliability through accuracy up to ±0.5mm (±0.02")

  • Developed according to international metrology recommendations such as OIML R85 and API MPMS

  • Local and country-specific certifications like NMi or PTB for custody transfer applications

  • Simplified installation and trouble-free operations due to easy connection to major DCS systems via open protocols

  • 80GHz technology for narrow beam angle for sharper focus, without interference from tank wall and obstructions

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