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PD ISO/TS 19850:2022 Fire tests. Use of LED (light-emitting diode) as an alternative to white light for measuring smoke parameters >
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PD ISO/TS 19850:2022 Fire tests. Use of LED (light-emitting diode) as an alternative to white light for measuring smoke parameters, 2023
- National foreword
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Symbols and units
- 5 Principle
- 6 Overview of smoke measurement used in existing light extinction test methods [Go to Page]
- 7 LED light sources
- 8 Comparison of spectra from different light sources
- 9 Method of measurement in each apparatus where the white light system is originally installed [Go to Page]
- 10 Test fire sources [Go to Page]
- 11 Alternative method [Go to Page]
- 12 Comparing the experimental results from the original white light and the candidate LED [Go to Page]
- Annex A (informative) Example of measurements in the IEC 61034‑1:2005 apparatus
- Bibliography [Go to Page]
