Zahaba, Maryam and Jaafar, Nur Akasyah and Yatin, Hermanuralia Fatihah and A. Murad, Alyaa Syahirah and Ismail, Mohamad Wafiuddin and Samad, Wan Zurina and Danial, Wan Hazman and Zakaria, Azmel and Hamdan, Khaled and Shafiee, Saiful 'Arifin and Aizamddin, Muhammad Faiz (2026) Comparative analysis of hydrogen sensors in a test chamber following ISO 26142:2010 standards. International Journal of Hydrogen Energy, 231 (NA). pp. 1-10. ISSN 0360-3199 E-ISSN 1879-3487
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Abstract
This study presents a comparative analysis of three commercially available hydrogen (H2) sensors using a self-developed test chamber constructed in accordance with ISO 26142:2010. Sensor performance was assessed based on accuracy, stability, repeatability, response and recovery times, and selectivity to carbon dioxide (CO2). Absolute error and relative error analyses were used to quantify accuracy statistically. Results showed that Sensor 1 and Sensor 2 achieved the highest accuracy, with Sensor 2 also demonstrating good stability. Repeatability testing indicated that Sensor 1 produced the most consistent multi-cycle measurements. Sensor 2 exhibited the fastest response behavior, although its response and recovery times slightly exceeded ISO 26142:2010 thresholds. All sensors maintained selectivity toward H2 in the presence of CO2. Overall, the findings highlight the importance of controlled test conditions and standardized assessment protocols. Among the sensors evaluated, the electrochemical-based sensor demonstrated the strongest overall performance across key parameters.
| Item Type: | Article (Journal) |
|---|---|
| Uncontrolled Keywords: | HydrogenCarbon dioxideElectrochemical sensorsTest chamberISO 26142:2010 |
| Subjects: | Q Science > QD Chemistry T Technology > TP Chemical technology > TP751 Gas industry |
| Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): | Kulliyyah of Science Kulliyyah of Science > Department of Chemistry |
| Depositing User: | Dr Maryam Zahaba |
| Date Deposited: | 08 May 2026 10:41 |
| Last Modified: | 08 May 2026 10:41 |
| Queue Number: | 2026-04-Q3099 |
| URI: | http://irep.iium.edu.my/id/eprint/128693 |
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