Safety Measurement Products

Safety Measurement Products

Certified to IEC 61508

Safety Certified Safety Instrumentation Systems (SIS)

Safety Sensors Certified to IEC 61508

Emerson sensors are designed for safety, with specific consideration to ensure very low numbers of Dangerous Undetected failures and diagnostic coverage for increased safety. These sensors are certified to IEC 61508, with documentation available to support Probability of Failure on Demand (PFD) calculations.

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Pressure – Certified Safety Measurement

  • SIL 2 and SIL 3 certified to IEC 61508 by an independent 3rd party
  • Available Measurements: Differential Pressure, Gauge Pressure, Absolute Pressure
  • Available Assemblies: Remote Diaphragm Seals, Integral Manifolds, Complete Flowmeters
  • Up to 15-year limited warranty
  • Basic Diagnostics, Loop Integrity, Process Intelligence, Plugged Impulse Line

For visit our product page. For more information on Pressure products click here.

  • SIL 2 and SIL 3 certified to IEC 61508 by an independent 3rd party
  • Differential Pressure calculated using two 3051S pressure sensors
  • Available Measurements: Differential Pressure, P-HI and P-LO Pressures, Scaled Variable for tank level or volume
  • Available with flanged, NPT, instrument manifolds, and direct mount seal process connections.

For FMEDA, Assessment Report, Safety Certificate and additional product information visit our product page. For more information on Pressure products click here.

  • SIL 2 and SIL 3 certified to IEC 61508 by an independent 3rd party
  • Available measurements: Differential Pressure, Static Pressure, Fully Compensated Mass Flow, Fully Compensated Energy Flow, Process Temperature
  • Available assemblies: Complete Flowmeters, Integral Manifolds, Remote Diaphragm Seals
  • Up to 15-year limited warranty

For FMEDA, Assessment Report, Safety Certificate and additional product information visit our product page. For more information on Pressure products click here.

  • SIL 2 and SIL 3 certified to IEC 61508 by an independent 3rd party

  • Available Measurements: Differential Pressure, Gauge Pressure, Absolute Pressure

  • Available Assemblies: Remote Diaphragm Seals, Integral Manifolds, Complete Flowmeters

  • Up to 15-year limited warranty

  • Basic Diagnostics

For visit our product page. For more information on Pressure products click here.

  • SIL 2 and SIL 3 certified to IEC 61508 by an independent 3rd party
  • Available Measurements: Differential Pressure, Gauge Pressure, Absolute Pressure
  • Available Assemblies: Remote Diaphragm Seals, Integrated Manifolds, Integrated Flowmeters
  • Up to 5-year limited warranty 
  • Basic Diagnostics, Loop Integrity

For FMEDA, Assessment Report, Safety Certificate and additional product information visit our product page. For more information on Pressure products click here.

  • SIL 2 and SIL 3 certified to IEC 61508 by an independent 3rd party
  • Available Measurements: Differential Pressure, Gauge Pressure, Absolute Pressure
  • Basic Diagnostics 
  • Up to 5-year limited warranty
  • Available with remote diaphragm seals, primary elements, and manifolds.

For FMEDA, Assessment Report, Safety Certificate and additional product information visit our product page. For more information on Pressure products click here.

  • Remote Seal System consisting of: 
    • One or two diaphragm seals
    • Direct Mount or Capillary Connection to a pressure transmitter
  • Classified as a Type A element according to IEC 61508
    • See White Paper for more information on; SIL verification when using a combination of Type A (1199 Remote Seal) and Type B (Pressure Transmitter) devices

Access the FMEDA for 1199 Remote Diaphragm Seals here. For information on how the 1199 affects product safety, reference the safety certificates of the safety sensor.

To learn more about Remote Diaphragm Seal Systems visit our product page.

Primary Elements

Access the FMEDA for Rosemount Primary Elements here. For information on how Primary Elements affect product safety, reference the safety certificates of the safety sensor.

Temperature – Certified Safety Measurement

  • SIL 2 and SIL 3 certified to IEC 61508 by an independent third party
  • Basic diagnostics, Hot Backup™ capability, sensor drift alert, thermocouple degradation, min/max tracking
  • Transmitter-sensor matching (Callendar-Van Dusen constants), custom trim
  • Dual-compartment field mount

For FMEDA, Assessment Report, Safety Certificate and additional product information visit our product page. For more information on Temperature products click here.

  • SIL 2 and SIL 3 certified to IEC 61508 by an independent third party
  • Basic diagnostics, Hot Backup™ capability, sensor drift alert, thermocouple degradation, min/max tracking
  • Transmitter-sensor matching (Callendar-Van Dusen constants), 5-point calibration
  • Single or dual sensor input

For FMEDA, Assessment Report, Safety Certificate and additional product information visit our product page. For more information on Temperature products click here.

  • SIL 2/3 certified to IEC 61508 by an independent 3rd party (248H only), hazardous location, marine type, see full specs for complete list of certifications
  • Basic diagnostics including open/short sensor diagnostics
  • Transmitter-sensor matching (Callendar-Van Dusen constants), 5-point calibration
  • Single sensor input

For visit our product page. For more information on Temperature products click here.

Flow – Certified Safety Measurement

  • Capable of up to SIL 3 certification for 2oo3 voting (Quad) and SIL 2 certification for 1oo1 or 1oo2 voting (Standard and Dual)
  • Accuracy: ± 0.65% of volumetric rate for liquids, ± 1% of volumetric rate for gas and steam
  • Available in Flanged, Wafer, Reducer, Dual, and Quad meter body styles
  • Couple any configuration with the CriticalProcess option to achieve ultimate safety in some of the harshest process environments
  • Non-clog, all-welded meter body design eliminates leak points
  • Superior vibration immunity

For FMEDA, Assessment Report, Safety Certificate and additional product information visit our product page. For more information on Flow products click here.




  • Certified for use in SIL 2 and SIL 3 applications
  • Couple with a wide range of Coriolis mass flow meters with up to +/-0.05% mass flow accuracy and +/0.0002 g/cc density accuracy for liquids and slurries or +/-0.25% mass flow accuracy for gases
  • Smart Meter Verification diagnostic can extend full proof test intervals by providing 91% coverage of undetected dangerous failures in situ
  • Built in milliamp feedback loop diagnostic reduces dangerous undetected failure modes
  • Detection of composition changes are possible through the use of density/concentration measurement

For FMEDA and additional product information visit our product page.  For more information on Coriolis products click here.


  • Certified for use in SIL 2 and SIL 3 applications
  • Couple with a wide range of Coriolis mass flow meters with up to +/-0.05% mass flow accuracy and +/0.0002 g/cc density accuracy for liquids and slurries or +/-0.25% mass flow accuracy for gases
  • Smart Meter Verification diagnostic can extend full proof test intervals by providing 91% coverage of undetected dangerous failures in situ
  • Detection of composition changes are possible through the use of density/concentration measurement

For FMEDA and additional product information visit our product page.  For more information on Coriolis products click here.

  • Loop powered 2-wire Coriolis transmitter with the ability to share power and signal over the same pair of wires reducing installation, engineering, and planning costs.
  • Certified for SIL2 single use and SIL3 multiple use safety applications per IEC 61508
  • Available with a wide range of Coriolis mass flow sensors with up to +/-0.10% mass flow accuracy and +/0.0005 g/cc density accuracy for liquids and slurries or +/-0.25% mass flow accuracy for gases.
  • Smart Meter Verification diagnostic can extend full proof test intervals by providing 91% coverage of undetected dangerous failures in situ. 
  • Built in milliamp feedback loop diagnostic reduces dangerous undetected failure modes
  • Detection of composition changes are possible through the use of density/concentration measurement

For FMEDA and additional product information visit our product page.  For more information on Coriolis products click here.

Level – Certified Safety Measurement

  • SIL Rating: SIL 2
  • Proof-test: Local, In-situ
  • P/T ratings: 
    • –40 to 302 °F (–40 to 150 °C)
    • 1450 psi (100 bar)
  • Additional features: 
    • Easy to install and operate point level detection.
    • Magnetic test point for quick and simple partial proof test.
    • Visible heartbeat LED for device status

You will find additional information on the overfill prevention and proof-testing pages.

For FMEDA, Assessment Report, Safety Certificate and additional product information visit our product page. For more information on Level products click here.


  • SIL Rating: SIL 2
  • Proof-test: Local, In-situ
  • P/T ratings: 
    • –94 to 500 °F (–70 to 260 °C)
    • 1450 psi (100 bar)
  • Additional features: For point level detection the Rosemount 2130 offers greater flexibility than the Rosemount 2120, suitable for more challenging conditions.

You will find additional information on the overfill prevention and proof-testing pages.

For FMEDA, Assessment Report, Safety Certificate and additional product information visit our product page. For more information on Level products click here.

  • SIL Rating: SIL 2
  • Proof-test: Remote, In-situ
  • P/T ratings: 
    • –94 to 500 °F (–70 to 260 °C)
    • 1450 psi (100 bar)
  • Additional features: Next generation point level overfill prevention with smart diagnostics and remote proof-testing functionality.

You will find additional information on the overfill prevention and proof-testing pages.

For FMEDA, Assessment Report, Safety Certificate and additional product information visit our product page. For more information on Level products click here.

  • SIL Rating: SIL 2
  • Proof-test: Remote, In-situ
  • P/T ratings: 
    • –320 to 752 °F (–196 to 400 °C)
    • 5000 psi (Full vaccum)(345 bar)
  • Additional features: Market leading guided wave radar with state-of-the-art reliability and safety features and powerful built-in diagnostics.

You will find additional information on the overfill prevention and proof-testing pages.

For FMEDA, Assessment Report, Safety Certificate and additional product information visit our product page. For more information on Level products click here.

  • SIL Rating: SIL 2
  • Proof-test: Remote, In-situ
  • P/T ratings: 
    • –76 to 482 °F (–60 to 250 °C)
    • 1450 psi (100 bar)
  • Additional features: 
    • Non-contacting radar with local memory which enables full insight into the last three days of measurements, alerts, and echo profiles.
    • Schedulable, remote in-situ verification without interrupting the process

You will find additional information on the overfill prevention and proof-testing pages.

For FMEDA, Assessment Report, Safety Certificate and additional product information visit our product page. For more information on Level products click here.

  • SIL Rating: SIL 2
  • Proof-test: Remote, In-situ
  • P/T ratings:
    •  –76 to 482 °F (–60 to 250 °C)
    • 1450 psi (100 bar)
  • Additional features: 
    • Non-contacting radar with local memory which enables full insight into the last seven days of measurements, alerts, and echo profiles.
    • Immune to intermittent power loss.

You will find additional information on the overfill prevention and proof-testing pages.

For FMEDA, Assessment Report, Safety Certificate and additional product information visit our product page. For more information on Level products click here.

Tank Gauging – Certified Safety Measurement

  • SIL Rating: SIL 3. Single device.
  • SFF: 99%
  • Lambda-DU (FIT): 16
  • Proof-test: Remote capabilities
  • Accuracy: ± 0.020 in. (0.5 mm)
  • Additional features: 2-in-1 option (two radar gauges in one housing ) available with relay output. 
    Enables independent level and overfill measurements through one tank opening.

You will find additional information on the overfill prevention and proof-testing pages.
For Specifications, documentation and certifications visit the product page.

  • SIL Rating: SIL 2. Single device.
  • SFF: 91.6%
  • Lambda-DU (FIT): 193
  • Proof-test: Remote capabilities
  • Accuracy: ± 0.020 in. (0.5 mm)
  • Additional features: Analog 4-20 mA and/or relay output.

You will find additional information on the overfill prevention and proof-testing pages.
For Specifications, documentation and certifications visit the product page.

  • SIL Rating: SIL 2. Single device.
  • SFF: 91.6%
  • Lambda-DU (FIT): 193
  • Proof-test: Remote capabilities
  • Accuracy: ± 3 mm (0.12 in.)
  • Additional features: Analog 4-20 mA and/or relay output.

You will find additional information on the overfill prevention and proof-testing pages.
For Specifications, documentation and certifications visit the product page.

  • Certified together with Rosemount 5900S and Rosemount 5900C. See their resp. tab for SIL rating and safety parameters.

You will find additional information on the overfill prevention and proof-testing pages.
For Specifications, documentation and certifications visit the product page.

Flame Detection – Certified Safety Measurement

  • Approved to Safety Integrity Level 2 (SIL 2 – TÜV)
  • Relays (3) for Alarm, Fault, and Auxiliary
  • 0–20 mA (stepped)
  • User Programmable via HART® or RS-485
  • Multi-spectrum design - for long distance detection and high false alarm immunity
  • Sensitivity selection - to ensure no zone crossover detection

For more information on Flame Detection products click here.

  • Approved to Safety Integrity Level 2 (SIL 2 – TÜV)
  • Relays (3) for alarm, fault, and auxiliary
  • 0–20 mA (stepped)
  • User programmable via HART® or RS-485
  • High-speed response - 20 msec to flash fire
  • Solar blind
  • Automatic Built-In-Test (BIT) - to assure continued reliable operation
  • Heated window - for operation in harsh weather conditions (snow, ice, condensation)
  • Analog output for fast detection
  • HART® Protocol for maintenance and asset management
  • High reliability - MTBF - minimum 150,000 hours

For more information on Flame Detection products click here.


  • Approved to Safety Integrity Level 2 (SIL 2 – TÜV)
  • Multi-spectrum design for detection of hydrocarbons and hydrogen flames with high false alarm immunity
  • Sensitivity selection to ensure no zone crossover detection
  • Automatic and manual Built-In-Test (BIT) to assure continued reliable operation
  • Heated window for operation in harsh weather conditions (snow, ice, condensation)
  • Relays (3) for Alarm, Fault and Auxiliary
  • 0–20 mA (stepped)
  • HART® Protocol for maintenance and asset management
  • RS-485, Modbus Compatible
  • High Reliability - MTBF - minimum 150,000 hours
  • User Programmable via HART® or RS-485

For more information on Flame Detection products click here.




  • Approved to Safety Integrity Level 2 (SIL 2 – TÜV)
  • UV/IR Dual-Sensor
  • Automatic and manual Built-In-Test (BIT) - to assure continued reliable operation
  • Heated window - for operation in harsh weather conditions (snow, ice, condensation)
  • Relays (3) for Alarm, Fault and Auxiliary
  • 0–20 mA (stepped)
  • HART® Protocol for maintenance and asset management
  • RS-485, Modbus Compatible
  • High Reliability - MTBF - minimum 150,000 hours
  • User Programmable via HART® or RS-485

For more information on Flame Detection products click here.

Media & Case Studies

Achieve unprecedented visibility into your pressure, flow, or level measurements and improve productivity, quality, energy efficiency, and safety with the Rosemount 3051S Series of Instrumentation.

This video is the release video for the Rosemount 5408 and Rosemount 5408:SIS. This are the next generation level transmitters using FMCW radar technology, giving you a 30 times more powerful measurement than traditional plused radars.

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