Assess the health of transformers, circuit breakers, rotating machines & ancillary substation devices

Doble’s robust diagnostic equipment and corresponding software allow you to perform routine and specialized testing on your critical assets. In fact, “Doble Testing” is the industry standard. Customers around the world use our M-Series, TDR and SFRA equipment to perform commissioning, diagnostic and scheduled maintenance testing. These asset analyzers are the cornerstone of a thorough condition-based maintenance program.


M4100
M7100 Analyzer
DTA Software
DUCe for Apparatus Testing
M5400
TDR9100
TRF-250
EZCT-2000C
CT-8000 S3
UPS S3
TRM-403
DMOM-600
VBT-75 S2
Insulation Analysis Accessories
CIRCUIT BREAKER ACCESSORIES
SFRA Accessories
TSB

Doble Engineering Company

Doble Engineering Company