阅读说明：本技术 测量设备和方法 (Measuring device and method ) 是由 本杰明·贾森·梅里菲尔德 格拉汉姆·理查德·福格森 于 2020-03-11 设计创作，主要内容包括：描述了一种用于安装在机器外壳内的测量设备。该设备包括测量装置(2；300；400；500)和用于保护测量装置(2；300；400；500)免受机器外壳内存在的污染物(420)的影响的保护器件(40,42；70；100；230)。保护器件(40,42；70；100；230)至少可在保护测量装置(2；300；400；500)免受污染物的影响的第一模式和与第一模式相比对测量装置(2)提供较少的污染物保护的第二模式之间切换。污染物传感器(14；242；302；360；410)用于感测机器外壳内的污染,从而确定保护器件(40,42；70；100；230)何时可以采用第二模式。还描述了一种对应的方法。(A measuring device for mounting within a machine housing is described. The device comprises a measuring apparatus (2; 300; 400; 500) and a protection means (40, 42; 70; 100; 230) for protecting the measuring apparatus (2; 300; 400; 500) from contaminants (420) present in the machine housing. The protection means (40, 42; 70; 100; 230) is switchable at least between a first mode protecting the measurement device (2; 300; 400; 500) from contaminants and a second mode providing less contaminant protection to the measurement device (2) than the first mode. A contamination sensor (14; 242; 302; 360; 410) is used to sense contamination within the machine housing to determine when the protection device (40, 42; 70; 100; 230) can adopt the second mode. A corresponding method is also described.)