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Key features
  • Coulometric sensing is ideal for upset prone applications 
  • Can be used in CSA certified Class 1, Division 2 
  • Designed for diverse industrial gases application use like H2, C3H6 and PE production and in refining and petrochemical process monitoring 
Easy to use
Low cost of ownership
Unrivalled performance
Benchmark compliance

Designed for use in harsh and hazardous areas, the DF-320E is designed to provide trace and percent level O2 measurements in Division 2 / Zone 2 hazard-rated locations. Servomex’s reliable Coulometric sensing delivers highly stable measurements in changing sample and flow rate conditions, making it ideal for upset prone processes.

The reliability and resilience of the DF-320E makes it the ideal analytical solution for applications including hydrogen, propene and polyethylene production, oil refining and petrochemical process monitoring. 

In addition to providing the ultra-reliable performance demanded by these applications, the DF-320E offers attractive cost savings over product life, thanks to its factory calibrated Coulometric sensing technology, which simplifies setup. Ongoing maintenance is also reduced to annual SPAN calibrations, with no need for programmable cell replacement. 

  • 217mm (8.5”) Wide x 200mm (7.9”) High x 245mm (9.6”)Deep 
  • <5.7kg (12.5lbs) 
  • CSA certified for installation in areas certified as Class 1, Division 2, Groups A,B,C and D 
  • IEC 61010-1
  • Overvoltage Category II Pollution Degree 2
  • EU EMC Directive 
  • EU Low Voltage Directive

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Key Applications
  • Hydrogen production 
  • Polypropylene production 
  • Polyethylene production 
  • Oil refining 
  • Petrochemical applications
Service and Spares

Ensure your DF-320E oxygen 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.

Spares lists for the DF-320E are available by clicking on the Downloads tab.

Global Service Network