Test Instrument Reference

Data record instr.proving-unit.definition

Verified 2026-10-27 Confidence: High

A proving unit is a portable battery-operated source that generates a known voltage at its output terminals, so that a two-pole voltage tester can be shown to be working.

ProvenanceMegger product page supports data record instr.proving-unit.definition, which is cited on the entry Proving unit.SOURCEMegger product pageMegger product pageManufacturer pageDATA RECORDinstr.proving-unit.definitioninstr.proving-unit.defin..Verified 2026-10-27ENTRYProving unitProving unitNo 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
SourceMegger product pageManufacturer page
Data recordinstr.proving-unit.definitionVerified 2026-10-27
EntryProving unitNo revisions
Subject
Proving unit (Instrument classes)
Kind
Definition
Source
Megger product page, web page edition, MPU690 Proving Unit, Megger. 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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Cite the governing standard for the fact itself; cite this page as the finding aid.

"Data record instr.proving-unit.definition." Test Instrument Reference. 2026-10-27. https://www.testinstrumentreference.com/data/instr.proving-unit.definition/.