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Key features
  • Coulometric sensor ideal for upset prone applications
  • Durable – can be used in Class 1, Div 1 or 2 areas
  • Three-range or single-range configuration available
Easy to use
Low cost of ownership
Unrivalled performance
Benchmark compliance

The DF-140E allows for reliable oxygen measurement in a wide variety of environments, including outdoors in a NEMA 4x enclosure and in explosive environments with a NEMA 7 remote sensor enclosure. 

Using highly stable Coulometric sensing technology, the DF-140E delivers reliable readings without frequent recalibration and periodic sensor replacement. It is specifically designed for reactor process control, pressure wing absorber nitrogen skids, and blanketing and inerting applications. With the STAB-EL system option it neutralizes trace contaminants, enabling accurate measurement in the presence of acid gases.

Thanks to its flexible and reliable measuring response, the DF-140E offers considerable cost savings over its product life, and can be configured as a single range or three-range analyzer to meet specific application requirements.

  • 19.7cm (7.75") Width x 21.6cm (8.5") Height x 25.4cm (10") Depth
  • 7kg (15lbs)
  • Low Voltage Directive (2002/73/23EEC)
  • EMC Directive (2001/89/336/EEC)
Key Applications
  • Reactor process control
  • Pressure swing absorber nitrogen skids
  • Blanketing and inerting
Service and Spares

Ensure your DF-140E analyzer delivers optimum performance with Servomex Service Network.

Through our global network of engineers and service centers, we provide complete lifetime support for your analyzer. Our services range from installation and commissioning to supplying high quality spares and arranging scheduled servicing: visit our Service Network pages to find out more.

Global Service Network