Test Instrument Reference

Data record instr.circuit-breaker-analyzer.dynamic-resistance

Verified 2026-10-27 Confidence: High

Dynamic resistance measurement injects a direct current through the main contacts while the breaker operates and plots resistance against time; when motion is recorded at the same time, the step between main-contact and arcing-contact resistance gives the remaining length of the arcing contact in a sulfur hexafluoride puffer breaker without dismantling it.

ProvenanceMegger application page supports data record instr.circuit-breaker-analyzer.dynamic-resistance, which is cited on the entry Circuit breaker analyzer.SOURCEMegger application pageMegger application pageManufacturer pageDATA RECORDinstr.circuit-breaker-analyzer.dynamic-resistanceinstr.circuit-breaker-an..Verified 2026-10-27ENTRYCircuit breaker analyzerCircuit breaker analyzerNo revisions
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StepItemDetail
SourceMegger application pageManufacturer page
Data recordinstr.circuit-breaker-analyzer.dynamic-resistanceVerified 2026-10-27
EntryCircuit breaker analyzerNo revisions
Subject
Circuit breaker analyzer (Instrument classes)
Kind
Instrument fact
Source
Megger application page, web page edition, Recommended circuit breaker tests, Megger. Publisher page

History

Every recorded change to this data record, oldest first.
DateChange
2026-10-27created
2026-10-27review_status unreviewed -> software_reviewed

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"Data record instr.circuit-breaker-analyzer.dynamic-resistance." Test Instrument Reference. 2026-10-27. https://www.testinstrumentreference.com/data/instr.circuit-breaker-analyzer.dynamic-resistance/.