DOBLE LABORATORY SERVICES
THE LAB OTHERS CALIBRATE TO
THE MOST TRUSTED NAME IN DIELECTRIC LIQUID ANALYSIS
1933
Serving the grid since
200+
Diagnostic tests
5
Accredited Labs
ISO/IEC – 17025
ANAB accredited
1953
Annual TOPS Survey since
Why Utilities Choose Doble
Accuracy by Design
Results benchmarked against decades of real-world asset data, not just chemistry.
Fast Turnaround
Detailed reports with recommendations, plus emergency rush service when you need it.
Accredited Quality
ISO/IEC 17025 laboratories certified by ANAB (ANSI National Accreditation Board)
One Connected System
Laboratory, portable DGA, and online DGA monitoring all based on Doble’s 100 years’ experience.
Sound Decisions Require Sound Data
Doble’s accredited laboratories turn a few milliliters of insulating liquid into decisions utilities can stake an asset on. We don’t just return a number. We tell you what it means and what to do next.
More Than a Lab. A Diagnostic Partner.
Where laboratory accuracy meets real asset expertise.
Accurate dielectric liquid testing provides you the confidence that comes from catching a developing problem early, then tracking it before it becomes a failure. Since 1933, Doble has specialized in the analysis of dielectric liquids and solid insulating materials, backed by chemists and engineers who understand asset diagnostics, not just chemistry.
- Experienced team of chemists and laboratory technicians
- 200+ tests for mineral oil, ester, and other liquid-filled assets
- Detailed reports with actionable recommendations
- Real-time results through the Doble Lab Customer Portal
THE DIFFERENTIATOR
A Complete Diagnostic Ecosystem
Most labs test the sample you send and stop there. Doble provides the complete analysis chain: spot-check in the laboratory, lab-quality DGA in the field with Myrkos portable DGA analyzers, and continuous online watch with Calisto DGA monitors, all based on the same science and the same calibration standards.
The Whole Picture, One Partner
READY WHEN YOU ARE
Put Doble’s Lab Behind Your Fleet
From a first sample to a full diagnostic program, the Doble lab team will help you match the right testing to your asset.
Contact Doble and begin your journey today.