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ADVANCED PID TECHNOLOGY PROVIDES RESISTANCE TO HUMIDITY EFFECTS

机译:先进的PID技术可提供防潮效果

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摘要

Handheld Photo-Ionization Detectors or PIDs are convenient tools for airborne pollution detection in such uses as 1) fence-line monitoring, 2) industrial hygiene worker exposure measurements, 3) confined space entry, and 4) screening excavated soils for contamination. They are an efficient and inexpensive way to continuously detect and measure volatile organic compounds (VOCs) and will give instantaneous readings. PIDs normally measure in concentrations from low parts per billion (ppb) to >5000 parts per million (ppm), can data-log results, and give visual and audio alarms when concentrations exceed predefined set-points including time-weighted average (TWA) and short-term exposure limit (STEL).
机译:手持式光电离检测器或PID是在以下用途中用于空气传播污染检测的便捷工具:1)围栏监测,2)工业卫生工作者的暴露测量,3)密闭空间进入以及4)筛选挖掘的土壤中的污染物。它们是连续检测和测量挥发性有机化合物(VOC)的有效且廉价的方法,可提供瞬时读数。 PID的浓度测量范围通常从十亿分之低(ppb)到> 5000百万分之(ppm),可以记录结果,并在浓度超过预定义的设定点(包括时间加权平均值(TWA))时发出视觉和声音警报以及短期接触限值(STEL)。

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