Universal NBS Smoke Density Tester ISO 5659-2 ASTM E662 NFPA 258 GB/T 8323 Multi-Certification Chamber
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Universal NBS Smoke Density Tester with Multi-Certification Standards: ISO 5659-2 / ASTM E662 / NFPA 258 / GB/T 8323 Test Materials: Multi-Material Key Feature: ISO 5659-2 | ASTM E662 | NFPA 258 | GB/T 8323 | Global Laboratory Compliance Product Description This NBS Smoke Density Chamber is a professional fire testing instrument designed to measure the specific optical density (Ds) of smoke generated when test specimens are exposed to controlled radiant heat sources and/or