Solutions for Industries and Automation
ABB Measurement and Analytics - Quad Industry GmbH

TX – ABB Thermal Dispersion Level Switch

ThermalABB’s Thermal Dispersion products can be used for flow, level or temperature detection. One switch can be field configured to detect one of these three process conditions.

Thermal Dispersion level switches are extremely rugged and versatile and have high pressure and temperature capabilities. These switches can be calibrated for level, air/foam, foam and solid/liquid interface or flow applications.

Customer benefits:

  • Discrete switch
  • Wide temperature ranges
  • Inexpensive switch for temperature, level, or flow
  • No moving parts
  • Multiple switch configurations

Industries served:

  • Power
  • Food and beverage
  • Chemical processing
  • Water and waste water


  • For Liquids or Small Granular Solids
  • One Switch for Gas or Liquid Flow, Liquid Level, Interface Level or Temperature
  • No Moving Parts
  • Designed to 3A Standards
  • 316L Stainless Steel All Welded Construction Standard
  • Explosion Proof
  • Temperature Range –50 to 350F / -46 to 177C Standard
  • Pressure to 500 psig / 34.5 bar Standard


  • Electropolished Wetted Parts
  • Extended Sensor
  • Remote Mounting
  • Ceramic Glass to Metal Feedthrough Provides Secondary Pressure Boundary


Catalog and Questionnaire List

DS_TX-EN-Rev U.pdfData sheet – TX – Thermal Dispersion Flow, level, temperature switch standard response