doblePRIME Delphi Dissolved Gas Analysis Monitor

The doblePRIME Delphi Dissolved Gas Analysis Monitor is perfect for remote, yet critical assets where access to insulating oil laboratories is limited. The doblePRIME Delphi tracks the transformer health by providing early warning signs of problems such as overheating, insulation degradation or mechanical movement within the transformer. Immune to oil surges and vacuums that may affect sensors, the Delphi contains self-diagnostics to monitor it’s own performance.


  • Patented vacuum resistant membrane prevents failure during oil surges, maintenance or other activities
  • Single valve application – useful when there are limited valves
  • Rapid response – less than 8 minutes for 90% response to step change
  • Alarms and closing contacts – relays, digital and analog outputs
  • Available as a composite gas monitor or hydrogen monitor in standard and mini versions


  • Cost-effective updates on transformer health between regular DGA samples
  • Alerts you when there is a sudden change in dissolved gas levels due to a developing fault within the transformer
  • Notifications give you time to plan instead of reacting to a failure
  • Actionable intelligence helps you determine what steps to take: maintenance, testing, load management, replacement
  • Use as a standalone product, networked to existing SCADA system, or as part of a doblePRIME Condition Monitoring Platform


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