Doble Enhances Mobility and Versatility in Partial Discharge Surveys with Spark P2

Handheld, universal PD survey device delivers comprehensive diagnostics and analysis with enhanced portability and ease of use MARLBOROUGH, Mass., March 30, 2026 /PRNewswire/ -- Doble Engineering, a leader in power grid diagnostic solutions, today announced the release of the Spark P2™, a handheld partial discharge (PD) and radio frequency interference (RFI) measurement device.