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Stay updated with the latest technical guides, product announcements, and industry insights from EK Instruments.
THD vs TDD: Harmonic Limits at the Point of Common Coupling
Understand voltage THD, current THD, TDD and the point of common coupling before applying IEEE 519 limits or choosing harmonic mitigation.
Read ArticlePower Quality Logger for Long Term Energy Audits
How to use a power quality logger for long-term energy audits and EN 50160 compliance reports in industrial plants.
Read ArticleRogowski Coil Sensor: Principles and Industrial Use Cases
Rogowski coil sensors measure AC and transient currents without saturation. Principles and industrial use cases.
Read ArticleFlexible Coil Current Meter for Large Bus Bar Measurement
Flexible coil (Rogowski) current meters wrap around large bus bars and irregular conductors for non-intrusive...
Read ArticleNon Contact Phase Sequence Detector for Live Switchgear
Non-contact phase sequence detectors read rotation through cable insulation, improving safety on live switchgear.
Read ArticlePhase Sequence Indicator: Verifying Three Phase Rotation Safely
Use a phase sequence indicator to verify three-phase rotation before energizing motors, pumps, and compressors safely.
Read ArticleTransformer Winding Resistance Testing Best Practices
Best practices for transformer winding resistance testing per IEEE C57.152, with tap changer and demagnetization steps.
Read ArticleMicro Ohm Meter for Circuit Breaker Contact Resistance Testing
Use micro ohm meters (DLRO) to measure circuit breaker contact resistance per IEEE 62 with four-wire kelvin technique.
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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