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按照体力劳动分级标准的要求,在计算标准状态下气体体积时,需用呼气温度值,目前的测定仪器(FTQLJ-1型肺通气量计)无温度显示装置。通过实验已初步得出呼气流经仪器时与环境的关系。在测定时,可通过环境温度来估算相应经流量计的温度。其结果是环境温度≤0℃时,估算温度应为5℃;1～25℃时,应是环境温度+5℃;26～30℃时,应为30℃;>30℃时,可按环境温度计算。这一建议合理,并应用于现场测定。
In accordance with the requirements of manual classification standards, when calculating the gas volume in the standard state, the expiratory temperature value is required, and the current measuring instrument (FTQLJ-1 type lung ventilation meter) has no temperature display device. Experiments have been initially drawn expiratory flow through the instrument and the environment. During the measurement, the corresponding temperature of the flowmeter can be estimated from the ambient temperature. The result is an ambient temperature ≤ 0 ℃, the estimated temperature should be 5 ℃; 1 ~ 25 ℃, the ambient temperature should be +5 ℃; 26 ~ 30 ℃, should be 30 ℃;> 30 ℃, according to the environment Temperature calculation. This suggestion is reasonable and should be applied to field measurements.