道路车辆 二甲醚（DME）燃料系统部件 第4部分：液位指示器

[中文适用范围]： 本文件规定了液位指示器的定义和一般要求，旨在用于 ISO 3833 中定义的机动车辆类型。它还提供了一般设计原则，并规定了使用说明和标记的要求。本文件适用于符合 ISO 16861 要求的使用气体燃料的车辆。它不适用于以下设备：a) 燃料容器，除非本文件明确提及；c) 电子燃料管理；b) 固定式、船舶、铁路车辆或飞机二甲醚 (DME) 发动机装置；d) 加油容器。注 1：人们认识到，可以检查本文未具体涉及的各种组件属性是否符合 ISO 22760 系列中任何适用部分的标准，包括对组件进行适当的功能测试。注 2：除非另有规定，本文件中提到的所有压力均为表压。 [外文原描述]： This document specifies definitions of and general requirements to level indicators, intended for use on the types of motor vehicles defined in ISO 3833. It also provides general design principles, and specifies requirements for instructions and marking. This document is applicable to vehicles using gaseous fuels in accordance with ISO 16861. It is not applicable to the following: a) fuel containers, except to the extent explicitly referred to in this document; b) stationary, ship, railroad vehicle or aircraft dimethyl ether (DME) engine installations; c) electronic fuel management; d) refuelling receptacles. NOTE 1 It is recognized that miscellaneous component properties not specifically addressed herein can be examined for compliance with the criteria of any applicable part of the ISO 22760 series, including subjecting the component to the appropriate functional tests. NOTE 2 All pressures referred to in this document are gauge pressures unless otherwise specified.