Global site

ABB's website uses cookies. By staying here you are agreeing to our use of cookies. Learn more

Level measurement products

Share this page



How do I find the right level product? Which level measurement method is right for my process?

Are you looking for the right level product for your measuring task? As a manufacturer of level products based on various measuring methods, we are happy to support you in this search with our expertise.  The choice of level measurement technologies is vast – contact and non-contact level measurement!

For so many level measurement technologies still to be in use, it stands to reason that each product in the level family of products has advantages and limitations in application. These are determined by conditions such as levels of steam, vapors, dust, liquid density changes, pressure changes, liquid viscosity, abrasiveness, foaminess, corrosiveness, temperature range, and amount of agitation. The physical installation conditions like agitators, blades, baffles, and other obstructions in the vessel where level is being measured will also influence the selection of a level technology.

The following overview provides some key data as a decision-making aid when selecting the level measurement method. When you invest in ABB’s level instrumentation, you get a higher level of performance. You can count on superior product design, manufacturing, factory-trained and certified experts for all support, field service and repair. Our level experts will be happy to contact you for support.

Contact Us Button

Selecting the right level technology

Chart 5

For more details of selecting the right level technology, refer to the level white paper:  The Big 6 Level Measurement Technologies


Level measurement technologies at a glance 

Industries served:

  • Oil and gas production
  • Refining
  • Power generation
  • Pulp and paper
  • Iron and steel
  • Chemicals
  • Water and wastewater
  • Marine

Key applications:

  • High, medium, and low pressure separators
  • Diesel and crude oil storage
  • Processed water level
  • Boilers drums
  • Hydrocarbon condensate and interface level
  • Treatment chemical storage
  • Ammonia and refrigerants
  • Liquid chlorine
  • Methanol, toluene and benzene
  • Interface solvent and water
  • Sulfuric acid and molten sulphur pits
  • NAOH caustic tanks
  • Cooling towers

Customer Benefits:

  • Microwaves are unaffected by temperature, pressure, specific gravity and vapors
  • Build up detection is auto adjusted within LevelExpertTM algorithm so no more man hours or service calls for re-echo mapping
  • Easy to install and no moving parts
  • Ignores light continuous coatings
  • Good for vacuum service
  • More direct energy return – more consistent signal
  • Built-in waveform screen

Customer Benefits:

  • Non-contact measurement for easy maintenance
  • Adaptive to harsh environment (vapor, dust, turbulence, bubbles, etc.) due to GAP dynamic gain, amplitude and power technology
  • Anti-condensation transducer surface cleans itself
  • Built-in waveform screen
  • Easy setup for open channel flow application

Industries served:

  • Chemical
  • Mining
  • Aggregate
  • Power generation
  • Pulp and paper
  • Iron and steel
  • Wastewater
  • Food and beverage
  • Quarries

Key applications:

  • Chemical storage
  • Lagoons and settling ponds
  • Open channel
  • Wet wells, lift stations and pumping stations
  • Process basins including aeration, chlorine contact skimmer tanks, sedimentation and floatation thickeners

Industries served:

  • Mining, minerals and metals
  • Aggregates
  • Chemicals
  • Food and beverages
  • Power
  • Pulp and paper
  • Water and wastewater

Key applications:

  • Bulk solids applications
  • Long range, for positioning applications – tripper car
  • Bin level monitoring
  • Foams – measure the top of the foam
  • Low-dielectric constant materials
  • Plastics, pellets
  • Tanks with agitator
  • Crusher control
  • Lift station level
  • Deep wet well
  • Sludge level
  • Biogas volume monitoring
  • Wood chips level

Customer Benefits:

  • Non-contact level measurement
  • Low cost of ownership
  • Reliable – precise measurement of any solid or liquid surface and Measures in the presence of waves, turbulence, bubbles
  • Convenient
    – Fast and flexible installation
    – Easy setup function
    – 2-wire powered and HART communication
  • Fast delivery - less than 2 weeks from order to delivery

Customer Benefits:

  • Direct insertion and non-intrusive models
  • High Accuracy - High accuracy: 0.01% of full scale or ±1.27 mm (0.05 in), whichever is greater
  • Never requires recalibration: set it and forget it
  • High Reliability - certified for use in SIL2/3 rated systems per IEC61508
  • DTM, EDDL and FDI software available
  • Waveform display (no need for an oscilloscope)
  • 360o display rotation
  • 4-in-1 measurement : total level, interface, ullage and temperature
  • Mounting orientation field changeable
  • Meeting NAMUR recommendations: NE 131 ,NE 43 and NE 107

Industries served:

  • Oil and gas
  • Petrochemical
  • Chemical
  • Power generation
  • Water and wastewater treatment
  • Pulp and paper
  • Biotech
  • Marine 

Key applications:

  • Total level and interface level
  • Interface with heavy emulsion layer
  • Extreme pressures and temperatures
  • Extreme foaming
  • Steam and heavy vapors
  • Toxic vapors and fluids
  • Condensing atmospheric conditions
  • Hydrocarbons, acids, or basic chemicals
  • Paraffin's and buildup can be defeated
  • Extreme accuracy requirements
  • Storage tanks
  • Upgrading pneumatic displacers
  • Gate/Hydraulic valve positioners

Industries served:

  • Oil and Gas
  • Petrochemical
  • Chemical
  • Power generation
  • Water and wastewater treatment
  • Food and beverage
  • Pharmaceutical
  • Pulp and paper
  • Biotech
  • Semiconductor

Key applications:

  • Sodium hypochlorite
  • Feed water heater
  • Hydrochloric and hydrofluoric acid
  • Sulfuric acid
  • Hydrogen sulfide
  • Oil / water separator
  • Sodium hydroxide
  • Liquid nitrogen
  • Phosgene
  • Ammonia
  • Butane, propane, benzene
  • Seal oil pots and drip pot
  • Boiler steam drums
  • Caustic chemicals
  • Sumps and underground storage
  • Acetic acid

Customer Benefits:

    • Low installation, maintenance, and engineering cost
    • High visibility, IP68 rated indicator
    • Safe installation and operation
    • 5-year warranty on chamber, float, and indication assembly
    • Extruded outlet process connections
    • Custom engineered floats ensure accurate indication and reliability
    • All MLGs are designed to ASME or PED standards with optional ATEX constructional safety
    • Full fabrication, assembly and accessories installed, tested and calibrated and shipped from factory results in lower cost of ownership
    • Fewer potential leak points, no hazardous liquids in the indicator; no glass under high pressure or temperature

Customer Benefits:

  •  Non-intrusive, externally mounted to magnetic level gauges
  • Unique concept of magnetic coupling, eliminating direct contact with process and require no power to operate
  • Easy mounting and adjustment
  • Trip point infinitely adjustable without changing process piping
  • 1amp, 10 amps and pneumatic output models
  • Compact design and vibration resistant
  • Suitable for high temperature applications
  • Industrial explosion proof IP66/67 and NEMA4X enclosure with ATEX/IECEx, FM US and Canadian approvals 

Industries served:

  • Oil and gas
  • Petrochemical
  • Chemical
  • Power generation
  • Water and wastewater treatment
  • Food and beverage
  • Pharmaceutical
  • Pulp and paper
  • Biotech
  • Semiconductor

Key applications:

In all applications with Magnetic level gauges for low-low, low, high, and high-high alarms and process control applications.