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Stay updated with the latest technical guides, product announcements, and industry insights from EK Instruments.
PV Earth Resistance Testing: Method Selection and Common Pitfalls
Choose a valid earth resistance test method for a PV site. Understand return paths, bonding versus electrode resistance, misleading clamp readings and the records needed for commissioning.
Read ArticleCable Withstand and Insulation Resistance Testing: A Field Workflow
A comprehensive field guide to integrating cable withstand and IR testing into your substation maintenance routine.
Read Article5 kV vs 10 kV Insulation Testers — Choosing the Right High-Voltage Megger
Deciding between 5 kV and 10 kV for your insulation tests? This guide explains the technical and practical differences.
Read ArticleDAR & PI: A Practical Guide for Motor and Transformer Insulation Diagnostics
Master motor and transformer diagnostics with our guide to DAR and PI insulation resistance testing ratios.
Read ArticleDAR & PI: A Practical Guide for Motor and Transformer Insulation Diagnostics
Master motor and transformer diagnostics with our guide to DAR and PI insulation resistance testing ratios.
Read ArticleLightning Protection Earth Electrode Inspection Routine
Annual lightning protection earth electrode inspection per IEC 62305: visual checks, resistance, and reporting tips.
Read ArticleHigh Voltage DC Hipot Test for Power Cables Explained
Plan and execute high-voltage DC hipot tests on medium-voltage cables: ramp rate, hold time, leakage interpretation.
Read ArticleInsulation Resistance Testing for Cable Acceptance Tests
Insulation resistance testing for power cable acceptance: voltage selection, PI and DAR ratios, and pass criteria.
Read ArticleTwo Pole and Three Pole Earth Resistance Testing Compared
Compare two-pole and three-pole earth resistance test methods, accuracy, and field workflow for grounding compliance.
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