Home Trusted by 500,000+ buyers

Dissolved Gas Analysis (DGA) Instruments | Delphi

Supplier: Doble Australasia

The Doble Delphi is a compact on-line DGA sensor that mounts directly to a transformer valve or can be mounted adjacent to the transformer when the need arises.

Price Guide: POA


  •     Patented vacuum resistant membrane prevents failure during oil surges, maintenance or other activities patents include US and Canada
  •     Fast response time: getting to 80% of step change in less than 7 minutes means that indications of a problem are given that much sooner and effectively
  •     Gas selectivity is high - meaning appropriate measurements rapidly, whether single gas or combined gas
  •     Micro pump option - allowing for oil circulation to ensure oil doesn't go stale and give misleading results
  •     Single valve application - with or without micro-pump - ensures minimal connection to the transformer
  •     Robust, field ready device comes complete with self-test and diagnostics automatically performed on the sensor itself
  •     Only requires one transformer valve for operation


  •     Single value output
  •     High accuracy and repeatability
  •     Micro-pump circulation
  •     Vacuum withstand
  •     Moisture detection
  •     Temperature & sensor condition self diagnostics
  •     Continuous Level and trend analysis
  •     On-line alarms and indicators
  •     Front-panel configuration and PC based Software
  •     Communication options

For more information about the Doble Delphi please click here