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Key features
  • Coulometric sensing is ideal for upset prone applications and compensates for sample and flow rate fluctuations 
  • Designed for diverse industrial gases application use like N2, Ar and H2 production, truck loading and gas bottling
Easy to use
Low cost of ownership
Unrivalled performance
Benchmark compliance

The DF-310E provides highly stable measurements of percent and trace O2 in pure gas streams and multi-gas backgrounds. Optimized for industrial gas applications, the DF-310E delivers reliable sensing for upset prone applications and stable measurements in changing sample and flow rate conditions. 

Available with a range of NEMA 4 rated sensor enclosures, optional battery-powered portability maximizes operational flexibility. This makes the DF-310E a flexible device capable of meeting numerous application needs including N2 production, Ar production, H2 production, truck loading and gas bottling.

In addition to its ultra-reliable performance and flexible mounting options, the DF-310E offers attractive cost savings over product life, thanks to its factory calibrated Coulometric sensor, which provides simplified setup and only requires subsequent annual SPAN calibrations (no need for programmable cell replacement), helping to reduce ongoing maintenance needs.

  • 237mm (9.3”) Wide x 221 (8.7”)
  • High x 200mm (7.8”) Deep
  • 4.3kg (9.5lbs)
  • IEC 61010-1 
  • Overvoltage Category II, Pollution Degree 2 
  • EU EMC Directive 
  • EU Low Voltage Directive 

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Key Applications
  • Nitrogen production
  • Argon production 
  • Hydrogen production
  • Track loading 
  • Gas bottling
Service and Spares

Ensure your DF-310E 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-310E are available by clicking on the Downloads tab.

Global Service Network