本文件确立了测量按照ISO 834-1要求测试的样品熔炉暴露均匀性的一般原则。本文件规定了用于测量模拟试样表面附近温度、速度和氧含量的仪器的类型和位置。面向熔炉的模拟样品表面是石膏板，固定在冷弯型钢支架上。 本文件不包括对熔炉性能的要求。资料性附录A中包含了应用本文件产生的数据的预期用途以及本文件所述仪器的合理性。

This document establishes general principles for measuring the uniformity of furnace exposure of samples tested in accordance with the requirements of ISO 834 1. This document specifies the type and location of instrumentation used to measure the temperature, velocity and oxygen content near the surface of simulated test samples. The surface of the simulated sample facing the furnace is gypsum board secured to cold-formed steel supports. This document does not include requirements for furnace performance. An intended use of data generated by the application of this document and the rational for the instrumentation described in this document are contained in the informative Annex A.