1.1本试验方法包括使用不与表面接触的辐射高温计测量表面的总辐射温度（见第2.1.20节）。然后，使用表面发射度的假设值或测量值将测量的总辐射温度转换为“真实”表面温度。 1.2本试验方法包括响应宽带辐射能（热）的高温计，即总辐射高温计，以及响应相对窄带辐射能的高温计，即单色或伪单色辐射高温计。 后者通常被称为“光学”高温计。视觉光学高温计，有时被称为“消失灯丝”或“亮度”高温计，不包括在本试验方法中。 1.3 本标准并非旨在解决与其使用相关的所有安全问题（如有）。本标准的用户有责任在使用前制定适当的安全和健康实践，并确定监管限制的适用性。

1.1 This test method covers the measurement of the total-radiance temperature (see section 2.1.20) of surfaces using a radiation pyrometer that is not in contact with the surface. The measured total-radiance temperature is then converted to the "true" surface temperature using an assumed or measured value of the surface emittance. 1.2 This test method includes those pyrometers which respond to a wide band of radiant energy (heat), that is, total radiation pyrometers, as well as those which respond to a relatively narrow band of radiant energy, that is, monochromatic or pseudomonochromatic radiation pyrometers. The latter are often referred to as "optical" pyrometers. The visual optical pyrometer, sometimes referred to as a "disappearing-filament" or "brightness" pyrometer, is not covered by this test method. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.