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Overfill Prevention – Level Measurement Products

overfill prevention
Emerson simplifies overfill prevention by offering…
A comprehensive overfill prevention portfolio
A wide range of application experience
Rosemount level sensors with unique overfill prevention features

Comprehensive overfill prevention portfolio

Overfill is a major concern in the global process and bulk liquid storage industries. Emerson offers a comprehensive overfill prevention portfolio that simplifies conformance with overfill prevention requirements and increases efficiency. Our offering includes:

  • Rosemount level sensors designed specifically for overfill prevention
  • Automatic Overfill Prevention Systems (AOPS) containing sensor, logic and actuator
  • Lifecycle services such as API 2350 assessment and IEC 61511 gap analysis
  • Educational services helping develop the expertise to use instruments to the fullest

Experts in the field of overfill prevention with wide application experience

With a wide range of experience, Emerson can offer the optimal overfill prevention solution for almost any application.

Rosemount Guided Wave Radar

Meet your toughest measurement challenges with our guided wave radar transmitters for level and interface measurement. Suitable for both basic process control and independent safety measurements thanks to IEC 61508 (SIS/SIL) certification.

Rosemount Vibrating Fork Level Switches

Reliable and proven point level detection. Available with IEC 61508 (SIS/SIL) certification.

Rosemount Tank Gauging Systems

Custody transfer certified level measurement with 0.5 mm accuracy. Suitable for both basic process control and independent safety measurements thanks to IEC 61508 (SIS/SIL) certification. Available up to SIL 3 thanks to unique 2-in-1 technology.


Overfill Prevention handbook
View Emerson’s overfill prevention solution for your specific tank type
process tanks   tanks
Process Tanks   Bulk Liquid Storage Tanks

Rosemount level sensors with unique overfill prevention features


Rosemount 5900S with patented 2-in-1 option

The Rosemount 5900S with its patented 2-in-1 option can serve as an automatic tank gauge (ATG) and an independent overfill prevention sensor simultaneously . Benefits include:

  • Reduced mechanical work results in considerable savings
  • Continuous IEC 61508 SIL 2 certified overfill prevention measurement
  • Custody transfer certified automatic tank gauge (ATG)
5300 Series

Remote proof testing using Rosemount 5300 Series with Verification Reflector

Quickly and safely test your transmitter’s integrity:

  • Remote and in situ proof testing from the safety of your control room
  • No need for personnel in the field

Rosemount Level overfill prevention offering

Emerson offers a wide range of overfill prevention solutions. Custom designed level sensors offer targeted features such as IEC 61508 certification (SIS/SIL) and proof testing capabilities.


Rosemount Tank Gauging System

The Rosemount Tank Gauging System contains a complete portfolio for both automatic tank gauging (ATG) and overfill prevention . Uniquely it contains the first and only radar level gauge with IEC 61508 SIL 3 certification for a single device (non-redundant) configuration. Read more about safety in Tank Gauging applications.

5300 Series

Rosemount Level Transmitters and Switches

Emerson offers a wide range of IEC 61508 certified Rosemount level transmitters and switches for up to SIL 3 applications.


Quick Links
Rosemount Online Store