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JJF 1190-2008: Calibration specification for airborne particle counter
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| JJF 1190-2008 | English | 459 |
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Calibration specification for airborne particle counter
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JJF 1190-2008
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Basic data | Standard ID | JJF 1190-2008 (JJF1190-2008) | | Description (Translated English) | Calibration specification for airborne particle counter | | Sector / Industry | Metrology & Measurement Industry Standard | | Classification of Chinese Standard | A61 | | Classification of International Standard | 17.180.30 | | Word Count Estimation | 20,293 | | Date of Issue | 2008-03-24 | | Date of Implementation | 2008-09-24 | | Older Standard (superseded by this standard) | JJG 547-1988 | | Regulation (derived from) | AQSIQ Announcement No. 35 of 2008 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine | | Summary | This standard specifies the communication light attenuator common metrological characteristics, calibration methods and equipment used in the calibration requirements, etc., for the first time the communication light attenuator calibration, calibration and use in subsequent testing, optical attenuator type evaluation requirements relating to metrological characteristics can be performed with reference to the specification, the other with light attenuation function instrument calibration can also be implemented by reference, | JJF 1190-2008: Calibration specification for airborne particle counter---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Calibration specification for airborne particle counter
People's Republic of China National Metrology Technical Specifications
Dust particle counter calibration specification
Posted 2008-03-24
2008-09-24 implementation
The State Administration of Quality Supervision, Inspection and Quarantine released
Dust particle counter calibration specification
Instead of JJG547-1988
This specification by the State Administration of Quality Supervision, Inspection and Quarantine approved on March 24, 2008, and from
From September 24, 2008 into effect.
Focal point. the National Technical Committee on Environment stoichiometry
Main drafting unit. Shanghai Institute of Measurement and Testing
Participated in the drafting. Suzhou City, a hundred God Technology Co., Ltd.
This specification technical committee commissioned by the National stoichiometric environment responsible for interpreting
The main drafters of this specification.
Yu Peiying (Shanghai Institute of Measurement and Testing)
Ding Zhen Min (Shanghai Institute of Measurement and Testing)
Liu Yue (Shanghai Institute of Measurement and Testing)
Drafters participate.
Hu Syracuse (Suzhou City, a hundred God Technology Co., Ltd.)
table of Contents
1 Scope (1)
2 Terms (1)
3 Overview (1)
4 Metrological characteristics (1)
4.1 appearance requirements (1)
4.2 Insulation resistance (1)
4.3 Electric strength (1)
4.4 net time (2)
4.5 Flow error (2)
Timing error 4.6 (2)
4.7 Repeatability (2)
4.8 Error particle size distribution (2)
4.9 particle concentration indication error (2)
Calibration Condition 5 (2)
5.1 Calibration Environment (2)
5.2 Calibration with major equipment (2)
6 calibration items and calibration methods (2)
6.1 appearance requirements (2)
6.2 Insulation resistance (3)
6.3 Electric strength (3)
6.4 net time (3)
6.5 Flow error (3)
6.6 timing error (3)
6.7 Repeatability (3)
6.8 Error particle size distribution (4)
6.9 particle concentration indication error (5)
Expression 7 Calibration results (5)
8 recalibration intervals (6)
Appendix A monodisperse latex particle dilution and storage methods (7)
Appendix B dust particles causing measuring means (8)
Appendix C monodisperse particles of the aerosol concentration adjustment (9)
Appendix D particle concentration indication error of measurement uncertainty evaluation (10)
Appendix E of the particle size distribution measurement error Uncertainty Evaluation (12)
Appendix F original record format (14)
Appendix G calibration results within the page format (15)
Dust particle counter calibration specification
1 Scope
This standard applies to laser light scattering particle counter (hereinafter referred to as particle counter) calibration.
2 Terms
2.1 monodisperse particles (monodisperseparticle)
A group of polystyrene spherical particles, the particle diameter distribution of relative standard deviation ≤5%, see Appendix A.
2.2 diameter (particlesize)
Certain air of discrete particle diameter (short diameter), with the intensity of the scattered light corresponding to a monodisperse particle
The diameter of the sub-unit μm.
Particle diameter in the measured particle counter (0.1 to 10) μm range.
2.3 particle concentration (particleconcentration)
Within a predetermined sampling time and sampling flow, measured in the presence of air per unit volume of from less than a specified diameter
The number of scattered particles.
2.4 size distribution error (errorofparticlesize)
Particle counter for different size particles in aerosols percentage measurement error measurements.
3 Overview
Particle counters measure the particle size and particle concentration is clean air in discrete particles, to determine the clean room and clean
Cleanliness level of the instrument environment. Dust particle counter can be used for measuring the dust content, as well as clean bench and
Filter performance testing.
Particle Counter mainly by the gas system, an optical system, a data processing system components. It works
They are. airborne particles scattering of incident light has the intensity of the scattered light related to particle size. Containing dust particles
Air from the dust particle counter sampling oral inhalation, through the light sensitive areas, dust particles irradiated by light scattering and the
The particle size into a certain ratio between the optical pulse signal, the signal is accepted and converted into corresponding electrical pulse photosensor
Signal is further amplified by a detection cycle electrical pulse count per unit volume that can be sampled in the air
The number of dust particles, ie particle concentration.
4 Metrological characteristics
4.1 appearance requirements
No defects affect the calibration results. the parts should be complete and reliable connection, should not affect the use of the damage and
Deformation; various knobs and switches without injury and stuck phenomenon.
4.2 Insulation resistance
Instrument insulation resistance of not less than 20MΩ.
4.3 Electric strength
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