Test Instrument Reference

Data record instr.power-factor-test-set.interference-suppression

Verified 2026-10-27 Confidence: High

To reject the electrostatic interference present in an energized substation, the set generates its own clean test signal and measures at frequencies above and below the line frequency, so that the line-frequency interference does not enter the result.

ProvenanceDoble product page supports data record instr.power-factor-test-set.interference-suppression, which is cited on the entry Power factor test set.SOURCEDoble product pageDoble product pageManufacturer pageDATA RECORDinstr.power-factor-test-set.interference-suppressioninstr.power-factor-test-..Verified 2026-10-27ENTRYPower factor test setPower factor test setNo revisions
Provenance. Where this record comes from and where it is used: the cited source, the record itself and the entry that cites it.
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StepItemDetail
SourceDoble product pageManufacturer page
Data recordinstr.power-factor-test-set.interference-suppressionVerified 2026-10-27
EntryPower factor test setNo revisions
Subject
Power factor test set (Instrument classes)
Kind
Instrument fact
Source
Doble product page, web page edition, M4100 High Voltage Apparatus Tester, Doble Engineering. 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.power-factor-test-set.interference-suppression." Test Instrument Reference. 2026-10-27. https://www.testinstrumentreference.com/data/instr.power-factor-test-set.interference-suppression/.