A high-performance, portable, field-deployable gas analyzer

IF 1.9 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

HardwareX Pub Date : 2026-06-01 Epub Date: 2026-05-20 DOI:10.1016/j.ohx.2026.e00792

Mark B. McKinnon, Ian Brady

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引用次数: 0

Abstract

Large-scale fire experiments sometimes require measurement of gas concentrations at many locations to provide insight about fire dynamics and the influence of combustion and oxygen availability on the evolution of structure fires. These experiments often take place in the field which may limit accessibility and introduce additional logistical complications related to collecting data on the gas composition at sampling locations throughout the structure. The sensor module that is the subject of this work was designed to simplify high fidelity field measurement of gas concentrations. The major process improvements in the presented design include portability, reduction of necessary infrastructure, and removal of reliance on proprietary hardware and software. This gas sensor module incorporates a paramagnetic oxygen sensor, a non-dispersive infrared carbon dioxide sensor, and a non-dispersive infrared carbon monoxide detector into a single, small form-factor carrying case and relies on a single cable connection for both power and communications. All design files and processing scripts are presented and the sensor module is characterized in this manuscript.

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一种高性能、便携式、可现场部署的气体分析仪

大型火灾实验有时需要测量许多地点的气体浓度，以提供有关火灾动力学以及燃烧和氧气可用性对结构火灾演变的影响的见解。这些实验通常在现场进行，这可能会限制可及性，并引入与在整个结构的采样位置收集气体成分数据相关的额外后勤问题。传感器模块是这项工作的主题，旨在简化高保真气体浓度的现场测量。所提出的设计中的主要过程改进包括可移植性、减少必要的基础设施以及消除对专有硬件和软件的依赖。该气体传感器模块将顺磁氧传感器、非色散红外二氧化碳传感器和非色散红外一氧化碳探测器集成到一个小型手提箱中，并依靠单一电缆连接电源和通信。本文给出了所有的设计文件和处理脚本，并对传感器模块进行了描述。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

HardwareX Engineering-Industrial and Manufacturing Engineering

CiteScore

4.10

自引率

18.20%

发文量

124

审稿时长

24 weeks

期刊介绍： HardwareX is an open access journal established to promote free and open source designing, building and customizing of scientific infrastructure (hardware). HardwareX aims to recognize researchers for the time and effort in developing scientific infrastructure while providing end-users with sufficient information to replicate and validate the advances presented. HardwareX is open to input from all scientific, technological and medical disciplines. Scientific infrastructure will be interpreted in the broadest sense. Including hardware modifications to existing infrastructure, sensors and tools that perform measurements and other functions outside of the traditional lab setting (such as wearables, air/water quality sensors, and low cost alternatives to existing tools), and the creation of wholly new tools for either standard or novel laboratory tasks. Authors are encouraged to submit hardware developments that address all aspects of science, not only the final measurement, for example, enhancements in sample preparation and handling, user safety, and quality control. The use of distributed digital manufacturing strategies (e.g. 3-D printing) is encouraged. All designs must be submitted under an open hardware license.