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News & Technical Articles
Stay updated with the latest technical guides, product announcements, and industry insights from EK Instruments.
Electrical Commissioning Test Plan — Structure and Sign-Off
A commissioning test plan turns a chaotic handover into a documented, repeatable sequence. Here is the structure.
Read ArticleEarth Pit Resistance Seasonal Variation — Reading the Real Worst Case
An earth pit that passes in spring can fail in summer. Here is how to read and document the real worst case.
Read ArticleDistribution Panel Load Balancing — Measuring and Correcting Imbalance
An unbalanced panel wastes energy and overloads the neutral. Clamp measurement quantifies and fixes it.
Read ArticleInsulation Tester for HVAC Contractors — Compressor & Coil Checks
An insulation test before and after compressor replacement protects HVAC contractors from warranty fights.
Read ArticleTransformer Turns Ratio Field Check — Spotting Tap and Winding Faults
The turns ratio is a transformer's fingerprint. A field check reveals winding and tap faults early.
Read ArticleThree-Phase Rotation Verification Before Motor Connection
Reverse rotation destroys pumps and compressors in seconds. A 5-second rotation check prevents it.
Read ArticleLive-Line Voltage Detection on Poles — Confirming Dead Before Touch
Test-before-touch is the rule that keeps linemen alive. Here is the detection layer that backs it up.
Read ArticleVFD Output Measurement — Why True-RMS Is Non-Negotiable
An average-responding meter lies on a VFD output. True-RMS is the only way to get real numbers.
Read ArticleContact Resistance Testing of Circuit Breakers — Micro-Ohm Method
Worn breaker contacts overheat and fail to interrupt. Micro-ohm testing finds them at maintenance.
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