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GB/T 18806-2002General specification for the resistance strain pressure transducer/sensor (English PDF)

电阻应变式压力传感器总规范

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

August 9, 2002

Implementation date

April 1, 2003

Scope

GB/T 18806-2002 is the English-translated version of 电阻应变式压力传感器总规范.

GB/T 18806-2002 is the Chinese standard "General specification for the resistance strain pressure transducer/sensor". Its scope clause reads: This standard specifies the requirements, test methods, inspection rules and accompanying documents of air ion measuring instruments (hereinafter referred to as instruments).

It is applicable to the air ion measuring instruments using the working principle of "capacitance inhalation method", which is the main technical basis for product development, design, production, acceptance and inspection, and also the principle and basis for formulating product standards and other technical documents. Its clauses include terms and definitions.

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Document preview — GB/T 18806-2002

National Standard of the People's Republic of China

ICS: 31.040
Classification: L 15

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
4.1 Appearance and structure
4.2 Dimension and weight
4.3 Function and performance characteristic
4.4 Interface, compatibility or interoperability
4.5 Safety
4.6 Environmental adaptability
4.7 Packing and transportation
4.8 Electromagnetic compatibility
4.9 Power supply adaptability
4.10 Reliability
5 Test methods
5.1 Reference working conditions
5.2 Inspection conditions
5.3 Appearance and structure inspections
5.4 Dimension and weight inspections
5.5 Function inspections
5.6 Performance characteristic testing
5.7 Inspection of interface, compatibility or interoperability
5.8 Safety test
5.9 Environmental adaptability test
5.10 Transportation test for package
5.11 Electromagnetic compatibility test
5.12 Power supply adaptability test
5.13 Reliability test
6 Inspection rules
6.1 Inspection classification
6.2 Inspection equipment
6.3 Appraisal inspection
6.4 Quality conformance inspection
6.5 Others
7 Accompanying documents
7.1 Instructions for use
7.2 Packing list
7.3 Revised tables and drawings (if applicable)
7.4 Optional documents
Annex A (Informative) Testing principles of air ion

1 Scope

This standard specifies the requirements, test methods, inspection rules and accompanying documents of air ion measuring instruments (hereinafter referred to as instruments).

2 Normative references

The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

GB 4793.1-2007 Safety requirements for electrical equipment for measurement, control and laboratory use - Part 1: General requirements

GB 4824 Industrial, scientific and medical (ISM) radio-frequency equipment - Disturbance characteristics - Limits and methods of measurement

GB/T 6587-2012 General specification for electronic measuring instruments

GB/T 9969 General principles for preparation of instructions for use of industrial products

GB/T 11463 Reliability test for electronic measuring instruments

GB/T 17626.2 Electromagnetic compatibility - Testing and measurement techniques - Electrostatic discharge immunity test

GB/T 17626.3 Electromagnetic compatibility - Testing and measurement techniques - Radiated, radio-frequency, electromagnetic field immunity test

GB/T 17626.4 Electromagnetic compatibility - Testing and measurement techniques - Electrical fast transient/burst immunity test

GB/T 17626.5 Electromagnetic compatibility - Testing and measurement techniques - Surge immunity test

GB/T 17626.6 Electromagnetic compatibility - Testing and measurement techniques - Immunity to conducted disturbances induced by radio-frequency fields

GB/T 17626.8 Electromagnetic compatibility - Testing and measurement techniques - Power frequency magnetic field immunity test

GB/T 17626.11 Electromagnetic compatibility - Testing and measurement techniques - Voltage dips, short interruptions and voltage variations immunity tests

GB/T 18268.1-2010 Electrical equipment for measurement, control and laboratory use - EMC requirements - Part 1: General requirements

3 Terms and definitions

For the purposes of this standard, the following terms and definitions apply.

3.1 air ion

gas molecules or molecular clusters or other suspended fine particles with positive or negative charges in the air

3.2 air ion concentration

number of positive and negative air ions per unit volume of air

Note: The unit is ions/m3 or ions/cm3.

3.3 air ion mobility

mobility of air ions in unit intensity electric field (V/m)

Note: The unit is m2/(V·s) or cm2/(V·s).

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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