SH115B Insulating Oil Dielectric Loss Resistivity Tester Liquid Insulating Medium Performance Detection Analysis SH115B insulating oil tan‑delta & volume resistance tester is a compact high‑precision device engineered to assess dielectric loss angle and volume resistivity for insulating oil and other liquid‑type insulating materials. It integrates core assemblies including test oil cell, temperature regulator, thermal sensor, dielectric loss measuring bridge, AC test power
