一、概述1.测量依据JJG915-2008《一氧化碳检测报警器》检定规程。2.环境条件环境温度:(0～40)℃;相对湿度:≤85%。3.测量标准空气中一氧化碳气体标准物质(以下简称“标准气体”),其相对扩展不确定度为Urel=1.5%,k=2。4.被测对象一氧化碳检测报警器,最大允许示值误差 I. Overview 1. Measurement based on JJG915-2008 “carbon monoxide detection alarm” test procedures. 2. Environmental conditions Ambient temperature: (0 ~ 40) ℃; Relative Humidity: ≤ 85%. 3. Measurement standards The standard carbon monoxide gas in the air (hereinafter referred to as “standard gas”), the relative expansion of the Urel = 1.5% uncertainty, k = 2.4. The test object carbon monoxide detection alarm, the maximum allowable Value error