目 录
1 范围 ··························································································。··… (1)
2 引用文献 ····················································································…… (1)
3 术语和计量单位 ····。······································································…… (1)
3.1 光透射比r ···············。············。················。············。············。······…… (1)
3.2 光吸收比N ··············································································…… (1)
3.3 光通道有效长度L ···········。······························。·········。················…… (1)
3.4 光吸收系数k ····································,····。·································…… (1)
3.5 光通道标准有效长度L.·······························································…… (1)
4 概述 ·······················,··································································…… (2)
5 计量性能要求 ··············································································…… (2)
5.1 光吸收比N ·。·············································。······························…… (2)
5.2 光吸收系数k ···········································································……(2)
5.3 烟度计测量电路的响应时间 ·························································…… (2)
5.4 烟度计显示的被测烟气温度 ····························。····························…… (2)
5.5 烟度计油温测量 ··················································。··。··················……(2)
5.6 烟度计转速测量 ···········。····························································……(2)
6 通用技术要求 ·············。································································……(3)
6.1 外观 ·............................................................................................ (3)
6.2 在配置计算机控制系统的机动车辆检测站中的烟度计 ························…… (3)
7 计量器具控制 ···················································。··························…… (3)
7.1 检定条件 ·························........................................................ (3)
7.2 检定项目 ·························································。·······················…… (3)
7.3 检定方法 ···············································································。·…… (3)
7.4 检定结果处理 ···········································································…… (6)
7.5 检定周期 ·················································································…… (6)
附录A 透射式烟度计检定记录···········································。················…… (7)
附录B 检定烟度计示值误差测量结果的不确定度评定······························…… (8)
透射式烟度计检定规程
1 范围
本规程适用于透射式烟度计①(以下简称烟度计)的首次检定、后续检定和使用中
的检验。定型鉴定、样机试验中的主要计量性能的检测,可参照本规程执行。
2 引用 文献
JJF 1059-1999 《测量不确定度评定与表示》
ISO 11614 《往复压燃式内燃机一测量光吸收比和测定排气光吸收系数的仪器》
GB 3847 《压燃式发动机和装有压燃式发动机的车辆排气可见污染物限值及测试
方法》
使用本规程时,应注意使用上述引用文献的现行有效版本。