ISO 789-4:1986 农业拖拉机.试验程序.第4部分:排烟测量
标准编号:ISO 789-4:1986
中文名称:农业拖拉机.试验程序.第4部分:排烟测量
英文名称:Agricultural tractors — Test procedures — Part 4: Measurement of exhaust smoke
发布日期:1986-10
标准范围
第二版将取代第一版(1982年)。这一部分是八个系列中的第四部分。规定了一种测量拖拉机发动机以稳定速度运行时产生的烟雾的方法。附录A给出了烟度计的特性;附录B中描述了气压计的安装和使用;附录C列出了参考燃料规范;附录D包括一份样本测试报告。
This second edition cancals and replaces the first edition (1982). This part is the fourth of a series of eight. Specifies a method of measuring the smoke emiited by the engines of tractors operating at a steady speed. Annex A gives characteristics of opacimeters; installation and use of theopacimeter is described in annex B; annex C tabulates reference fuel specifications; annex D includes an specimen test report.
标准预览图


