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News & Technical Articles
Stay updated with the latest technical guides, product announcements, and industry insights from EK Instruments.
High Voltage Insulation Tester — Field Use Beyond 5 kV
HV insulation testing is as much about procedure as instrument — here is the EK field protocol.
Read Article5kV Insulation Tester — When You Need the Full Diagnostic Voltage
1 kV is fine for control wiring — but anything medium-voltage demands a real 5 kV tester.
Read ArticleInsulation Resistance Tester — How PI and DAR Reveal Aging Cables
A spot reading is not enough — PI and DAR turn an insulation tester into a diagnostic tool.
Read ArticleDigital Grounding Resistance Meter — Specifications That Decide Accuracy
Six specs separate a serious digital grounding meter from a toy — EK engineers walk through each one.
Read ArticleEarth Resistance Tester Buyer Guide — 4-Pole vs Clamp-On Methods
Two main methods, two different jobs — here is how EK engineers decide which earth tester ships with each project.
Read ArticleTrue RMS Digital Clamp Meter — Why It Matters for VFD and Solar Loads
Average-responding meters lie on modern non-sinusoidal loads. True-RMS is no longer optional.
Read ArticleLarge Jaw Clamp Meter — Why a 52 mm Opening Changes Field Work
If you cannot fit the conductor, you cannot measure it. Here is why 52 mm jaws are the new field standard.
Read Article1200A AC/DC Clamp Meter — When You Really Need the Headroom
When the load swings past 600 A you need real headroom — here is why the 1200 A class earns its price.
Read ArticleProfessional Clamp Meter Selection Guide for Industrial Engineers
A practical guide to picking the right professional clamp meter for plant, utility, and field service work.
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