ObsoleteGo to latest versionJJF 1272-2011

JJF 1272-1990O.T.N. of Free-field Sound Pressure Primary Standard in Air (English PDF)

空气声声压基准(自由声场)操作技术规范

JJF 1272 | Evolution and historical versions

Std ID	Title	Status
JJF 1272-2011	Calibration Specification for Resistance and Capacitance Dew Point Hygrometer	Valid
JJF 1272-1990	O.T.N. of Free-field Sound Pressure Primary Standard in Air	Obsolete

JJF 1272-1990 is obsolete. It has been replaced by JJF 1272-2011. This page sells the obsolete edition, for projects and contracts that still cite it.

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Issued by

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

Level / Type

National · Mandatory

Issue date

January 1, 1990

Implementation date

June 4, 1999

Scope

JJF 1272-1990 is the English-translated version of 空气声声压基准(自由声场)操作技术规范.

JJF 1272-1990 is the Chinese metrological standard "O.T.N. of Free-field Sound Pressure Primary Standard in Air". It was issued on January 1, 1990 by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, and took effect on June 4, 1999. It is obsolete: it has been replaced by JJF 1272-2011.

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Document preview — JJF 1272-1990

National Standard of the People's Republic of China

Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

Document data

1 Document data

Sector: Metrological Specs (metrological standard).

Issuing body: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China.

Date of issue: 1990-01-01.

Date of implementation: 1999-06-04.

Status: obsolete, replaced by JJF 1272-2011.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.

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