<p>This document specifies a method for testing equipment for the separation of welding fume in order to determine whether its separation efficiency meets specified requirements.</p>
<p>The method specified does not apply to testing of filter cartridges independent of the equipment in which they are intended to be used.</p>
<p>This document applies to equipment that is manufactured after its publication.</p>
<p>NOTE General ventilation systems are excluded from the Scope of ISO 21904-1.</p>
Registration number (WIID)
93033
Scope
<p>This document specifies a method for testing equipment for the separation of welding fume in order to determine whether its separation efficiency meets specified requirements.</p>
<p>The method specified does not apply to testing of filter cartridges independent of the equipment in which they are intended to be used.</p>
<p>This document applies to equipment that is manufactured after its publication.</p>
<p>NOTE General ventilation systems are excluded from the Scope of ISO 21904-1.</p>
