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Servo tank gauging instrument
Proservo NMS81

High precision servo measurement for liquid level, interface and density

  • Proservo NMS81 ©Endress+Hauser
  • Proservo NMS81 ©Endress+Hauser

The intelligent tank gauge Proservo NMS81 is designed for high accuracy liquid level measurement in custody transfer and inventory control applications with NMi- and PTB-approvals. It meets the relevant requirements according to OIML R85 and API 3.1B. It fulfills the exact demands of tank inventory management and loss control and is optimized in regards of total cost saving and safe operation.

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 ±0.4mm (± 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

  • Superior corrosion resistance with 316L materials in the process compatible with sour applications such as crude oil

  • Measurement of interfaces between up to three liquid layers, tank bottom, spot, and profile densities

  • Best fit for LNG/LPG applications without influence of dc value or Boil Off Gas

Field of application

For high accuracy custody transfer measurement in crude oil, gasoline, diesel, petrochemicals and chemicals.

  • Process connections: Flanges

  • Temperature: -200 to +200°C (-328 to +392°F)

  • Pressure: 0 to +25bar (0 to +362psi)

  • Maximum measuring range: 47m (154ft)

  • Accuracy: ±0.4mm (±0.02")

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

Features and specifications

Documents / Manuals / Software

Accessories / Spare parts

Predecessor / Successor

Predecessor: Proservo NMS5

Contact

Endress+Hauser Australia Pty Ltd
Level 1 16 Giffnock Avenue Macquarie Park , NSW 2113 Australia
Tel.: 1800 363 737
Tel.: +61 2 8877 7000
Fax: +61 2 8877 7099
Send email www.au.endress.com

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