Data record `instr.rcd-tester.types`

Verified 2026-10-27 Confidence: Medium

Residual current devices are classed by the waveform they respond to (types AC, A, F and B, among others) and by whether they are general or time-delayed (selective); the type is selected on the tester, which generates the matching test waveform, including the pulsating and smooth direct currents that some types detect.

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.
Step	Item	Detail
Source	Metrel product page	Manufacturer page
Data record	instr.rcd-tester.types	Verified 2026-10-27
Entry	RCD tester	No revisions

Subject: RCD tester (Instrument classes)
Kind: Instrument fact
Source: Metrel product page, web page edition, MI 3155 EurotestXD multifunction electrical installation tester, Metrel. Publisher page

History

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

Cite this page

Cite the governing standard for the fact itself; cite this page as the finding aid.

"Data record instr.rcd-tester.types." Test Instrument Reference. 2026-10-27. https://www.testinstrumentreference.com/data/instr.rcd-tester.types/.

Test Instrument Reference, Data record instr.rcd-tester.types (Oct. 27, 2026), https://www.testinstrumentreference.com/data/instr.rcd-tester.types/.

@misc{etr-data-instr-rcd-tester-types,
  title = {Data record instr.rcd-tester.types},
  howpublished = {\url{https://www.testinstrumentreference.com/data/instr.rcd-tester.types/}},
  organization = {Test Instrument Reference},
  publisher = {Test Instrument Reference},
  year = {2026},
  note = {last substantive change 2026-10-27}
}

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