Uploaded April 2026 | Updated September 2026, 3 days ago

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Learn how galvanic isolation with Endress+Hauser’s RN Series protects 4–20 mA signals from interference, ground loops and noise – ensuring safe, accurate and reliable process automation.

▶ Discover the products on endress.com/en/field-instruments-overview/system-components-recorder-data-manager/power-supplies-barriers?store_locale=en #endresshauser

00:00 Intro
00:22 4-20 mA signal
00:42 Interferences
01:07 Ground loops
01:22 Galvanic isolation
01:47 Electrical noise
02:05 Signal integrety
02:18 Intrinsically safe loop power
02:26 Signal protection vs device protection
02:42 Choosing the right barrier
02:58 Safe signal - safe process