ISO 17621:2015规定了在规定的实验室条件下，用于短期测量工作场所空气中指定化学试剂浓度的染色检测管及其相关泵（检测管测量系统）长度的要求和试验方法。 ISO 17621:2015不适用于为证明符合参考期超过15分钟的个人暴露长期限值而进行的测量。

ISO 17621:2015 specifies requirements and test methods under prescribed laboratory conditions for length-of-stain detector tubes and their associated pump (detector tube measurement system) used for short-term measurements of the concentration of specified chemical agents in workplace air. ISO 17621:2015 is not applicable to measurements made to demonstrate compliance with long-term limit values to personal exposure with a reference period of more than 15 min.