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Servo tank gauging instrument
Proservo NMS5

High precision servo measurement for liquid level, interface and density

  • Proservo NMS5 ©Endress+Hauser

The intelligent tank gauge Proservo NMS5 is designed for high accuracy liquid level measurement in custody transfer and inventory control applications. It fulfills the exact demands of tank inventory management and loss control and is optimized in regards of total cost saving and safe operation.


  • Measures two clear interface levels and specific gravity of up to three liquid phases

  • Profiling of Iiquid density throughout the tank (tank profile) and upper layer (I/F profile)

  • SIL2 certified alarm output (min., max. and range)

  • Wetted parts are completely separated from the electronic circuit

  • Tank top mounting with 3" flange weighing only 12kg (aluminum version)

  • Wide range of output signals including V1, RS 485 Modbus, WM550, M/S, Enraf BPM and HART protocol

  • Suitable for atmospheric and high pressure applications up to 25bar

Field of application

For measurement of: Oil (crude, light, fuel, edible), LPG/LNG, petrochemicals, chemicals, water /chemical interface measurement, foods, liquid food.

  • Process connections: Flanges

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

  • Measuring range: Maximum 47m (154ft)

  • Accuracy: ±0.7mm (±0.03")

  • International explosion protection certificates, overfill prevention WHG, SIL

Features and specifications

Documents / Manuals / Software

Accessories / Spare parts

Predecessor / Successor

Predecessor: LT31, LT32, LT34, LT36, TGM5


Endress+Hauser AG
Kägenstrasse 2 4153 Reinach BL Switzerland
Tel.: +41 61 715 7700
Fax: +41 61 715 2888
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