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DB/T 28-2008Calibration code of measuring instruments for magnetic induction of low field (English PDF)

弱磁感应强度测量仪器检定规程

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Issued by

China Earthquake Administration

Level / Type

National · Recommended

Issue date

April 23, 2008

Implementation date

October 1, 2008

Scope

DB/T 28-2008 is the English-translated version of 弱磁感应强度测量仪器检定规程.

DB/T 28-2008 — This standard specifies the weak magnetic induction measurement instruments test content and test methods.

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Document preview — DB/T 28-2008

National Standard of the People's Republic of China

ICS: 91.120.29
Classification: P 15

Issued by: China Earthquake Administration

[Preview only]
1 Scope
2 Normative references
2.1 Terms
3 Terms and Definitions
4 Basic regulations
5 Writing Requirements

1 Foreword

DB/T 28-2008 was issued by China Earthquake Administration on 23 April 2008 and has been in force since 1 October 2008.

The DB/T prefix marks a recommended standard. It is not law in itself: it becomes binding when a contract names it, when a regulation or a mandatory standard refers to it, or when a producer declares conformity with it.

The document runs to 14 pages in English translation.

2 Scope Preview

This standard specifies the weak magnetic induction measurement instruments test content and test methods. This standard applies to magnetic induction measurement range OnT ~ 70000nT various quantum magnetometer and fluxgate magnetometer accreditation.

DB/T 28-2008 falls under ICS 91.120.29, in the field of construction materials and building.

This catalogue holds 94 other DB/T standards in that field.

In this catalogue, DB/T standards carry edition years from 2000 to 2026.

3 About this standard

Issued by: China Earthquake Administration

English translation: about 14 pages

Chinese original: about 21,242 characters

4 Related standards

Standards on related subjects:

GB/T 17742-2020 — The Chinese seismic intensity scale

DB/T 24-2025 — Specification for earthquake case stigmatization

DB/T 20.1-2025 — Specification for the construction of seismic station - Underground fluid station - Part 1: Water level, flow rate and temperature

DB/T 19-2020 — Specification for the construction of seismic station. Global navigation satellite system fiducial station

5 Classification and status

International classification (ICS): 91.120.29

Chinese Standard Classification (CCS): P 15

Prefix DB/T: recommended standard.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 14 pages — is available in the English PDF.

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