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Database: 189760 (18 Oct 2025)
JJG 251-1997 English PDF
US$319.00 ยท In stock
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JJG 251-1997
: Verification Regulation of Distortion Meter Calibrator
Status: Obsolete
JJG 251: Evolution and historical versions
Standard ID
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Standard Title (Description)
Status
PDF
JJG 251-1997
English
319
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Verification Regulation of Distortion Meter Calibrator
Obsolete
JJG 251-1997
JJG 251-1981
English
RFQ
ASK
3 days [Need to translate]
Distortion Meter
Obsolete
JJG 251-1981
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Basic data
Standard ID
JJG 251-1997 (JJG251-1997)
Description (Translated English)
Verification Regulation of Distortion Meter Calibrator
Sector / Industry
Metrology & Measurement Industry Standard
Classification of Chinese Standard
A56
Word Count Estimation
8,869
Date of Issue
6/19/1905
Date of Implementation
5/1/1998
Older Standard (superseded by this standard)
JJG 251-1981
Issuing agency(ies)
State Bureau of Technical Supervision
Summary
This standard applies to newly manufactured, fundamental frequency range in use and repaired in less than 2Hz ~ 200kHz, distortion measurement range of 0. 1% to 100% of the harmonic distortion meter (referred distortion meter) accreditation.