JJF 1227: Evolution and historical versions
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| JJF 1227-2009 | English | RFQ |
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Calibration Spectification for Exhaust Pollutants from Gasoline Vehicle under Steady-state Loaded Mode Measurement System
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JJF 1227-2009
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| JJF 1227-1990 | English | 279 |
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Operating Technical Norm for Gas Flow Primary Standard in the Range from 3 to 30 m3/h
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JJF 1227-1990
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PDF similar to JJF 1227-2009
Basic data | Standard ID | JJF 1227-2009 (JJF1227-2009) | | Description (Translated English) | Calibration Spectification for Exhaust Pollutants from Gasoline Vehicle under Steady-state Loaded Mode Measurement System | | Sector / Industry | Metrology & Measurement Industry Standard | | Classification of Chinese Standard | A50 | | Classification of International Standard | 17.020 | | Word Count Estimation | 30,372 | | Date of Issue | 2009-08-18 | | Date of Implementation | 2009-11-18 | | Quoted Standard | GB 18285-2005; JJG 688-2007; JGG 455-2000 | | Regulation (derived from) | AQSIQ Announcement No. 78 of 2009 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine | | Summary | This standard applies to all types of gasoline emissions steady load detection system calibration. Other fire-engine vehicle emissions adhere steady load measurement system calibration can be implemented by reference. | JJF 1227-2009: Calibration Spectification for Exhaust Pollutants from Gasoline Vehicle under Steady-state Loaded Mode Measurement System
---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 Spectification for Exhaust Pollutants from Gasoline Vehicle under Steady-state Loaded Mode Measurement System
People's Republic of China National Metrology Technical Specifications
Steady load gasoline pollutant emissions
Detection system calibration specifications
Posted 2009-08-18
2009-11-18 implementation
The State Administration of Quality Supervision, Inspection and Quarantine released
Steady load gasoline pollutant emissions
Detection system calibration specifications
stem
This specification by the State Administration of Quality Supervision, Inspection and Quarantine August 18, 2009 for approval and self
From November 18, 2009 into effect.
Focal point. the National Technical Committee of Legal Metrology measurement management
Main drafting unit. Beijing Institute of Metrology detection
Participated in the drafting unit. Foshan City, South China Instrument Co., Ltd.
Beijing Science and Technology Development Co., Ltd. EU special
Chengdu Science and Technology Development Co., Ltd. Yae
This specification managed by the National Technical Committee of Legal Metrology measurement responsible for interpreting
The main drafters of this specification.
Chen Xi (Beijing Institute of Metrology detection)
Liu Yu (Beijing Institute of Metrology detection)
Li Xiaodong (Beijing Institute of Metrology detection)
Drafters participate.
Yang Yaoguang (Foshan City, South China Instrument Co., Ltd.)
Wang Wei (Beijing Science and Technology Development Co., Ltd. EU special)
Zhang Jian (Chengdu Science and Technology Development Co., Ltd. Yae)
table of Contents
1 Scope (1)
2. Referenced Documents (1)
3 Overview (1)
4 Metrological characteristics (1)
4.1 emissions tester (1)
4.2 Chassis dynamometer metrological characteristics (2)
4.3 chassis dynamometer installation level degree (2)
4.4 motor vehicle engine speed indication error (2)
4.5 Environmental Status Indication error test unit (2)
Calibration Condition 5 (3)
Environmental conditions 5.1 (3)
5.2 calibration equipment (3)
5.3 standard calibration gas (4)
6 calibration items and calibration methods (4)
6.1 Calibration item (4)
6.2 Calibration method (5)
7 Calibration Results (11)
7.1 calibration certificate (11)
7.2 calibration measurement uncertainty (11)
8 Recalibration interval (11)
Appendix A calibration certificate and the record (12)
Appendix B Calibration Uncertainty Evaluation (20)
C pollutant emissions tester calibration system diagram appendix (24)
Appendix D tow vehicle and power trans schematic calibration device (25)
Steady load gasoline emissions testing system calibration specifications
1 Scope
This standard applies to all types of gasoline emissions steady load detection system (hereinafter referred to as the detection system
EC) calibration. Other ignition engine vehicle emissions steady load detection system calibration can be implemented by reference.
2 Citations
GB 18285-2005 ignition engine exhaust emission limits and measurement methods (two-speed idle
And BASM)
JJG688-2007 automobile exhaust gas tester verification procedures
JJG455-2000 work dynamometer test procedures
When using this specification it should be noted that using the currently valid version of the documents cited.
3 Overview
Detection system is used to measure the steady state load gasoline metering equipment dedicated pollutant emissions. Mainly used for gasoline vehicles
Steady State Load exhaust gas CO, HC, CO2, NO, O2 five kinds of measured gas content.
Detection system consists of the following components. vehicle exhaust detection chassis dynamometer (hereinafter referred to as bottom
Disk dynamometer), pollutant gas emissions tester (hereinafter referred to as gas emissions tester), single-state test environment
Yuan, computer control and data processing unit.
4 Metrological characteristics
4.1 emissions tester
Detection system shall be 0 emissions tester. Based JJG688-2007 requirements are as follows.
4.1.1 Indication error
Requirements error of indication 0 emissions tester shown in Table 1.
Table 1 0 emissions tester metrological characteristics
Gas range Δqt absolute error relative error δqt
HC
(0 ~ 5000) × 10-6 ± 10 × 10-6 ± 5%
(5001 ~ 9999) × 10-6 --- ± 10%
CO
(0 ~ 10.00) × 10-2 ± 0.03 × 10-2 ± 5%
(10.01 ~ 14.00) × 10-2 --- ± 10%
CO2 (0 ~ 18.0) × 10-2 ± 0.5 × 10-2 ± 5%
NO
(0 ~ 4000) × 10-6 ± 25 × 10-6 ± 4%
(4001 ~ 5000) × 10-6 --- ± 8%
O2 (0 ~ 25.0) × 10-2 ± 0.1 × 10-2 ± 5%
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