Test Instrument Reference

Data record instr.winding-resistance-meter.three-phase-sets

Verified 2026-10-27 Confidence: High

Three-phase winding resistance test sets connect to all the transformer bushings at once and measure the three phases without switching cables, resolving the individual winding resistances inside a delta connection or a wye connection without an accessible neutral, and can also serve as micro-ohmmeters for circuit breaker contact resistance.

ProvenanceDoble (Vanguard Instruments) product page supports data record instr.winding-resistance-meter.three-phase-sets, which is cited on the entry Winding resistance meter.SOURCEDoble (Vanguard Instruments) product pageDoble (Vanguard Instrume..Manufacturer pageDATA RECORDinstr.winding-resistance-meter.three-phase-setsinstr.winding-resistance..Verified 2026-10-27ENTRYWinding resistance meterWinding resistance meterNo revisions
Provenance. Where this record comes from and where it is used: the cited source, the record itself and the entry that cites it.
Provenance: the chain from source to entry.
StepItemDetail
SourceDoble (Vanguard Instruments) product pageManufacturer page
Data recordinstr.winding-resistance-meter.three-phase-setsVerified 2026-10-27
EntryWinding resistance meterNo revisions
Subject
Winding resistance meter (Instrument classes)
Kind
Instrument fact
Source
Doble (Vanguard Instruments) product page, web page edition, TRM-403 automatic 3-phase winding resistance test set with LTC test, auto discharge and demagnetization, Doble Engineering Company. Publisher page

History

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

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"Data record instr.winding-resistance-meter.three-phase-sets." Test Instrument Reference. 2026-10-27. https://www.testinstrumentreference.com/data/instr.winding-resistance-meter.three-phase-sets/.