> >I learned from discussion with two fume hood testing professionals that the major SF6 measuring instrument is no longer being manufactured or no longer being supported, and certified testers are in a holding pattern and waiting for the new standard and the potentially new equipment requirements that could go with a change in tracer gas.
>
Is this the SF6 detector or the orifice used to release the SF6 in the hood? I know that the latter was a speciality item for this test and hard to acquire, unless you made your own...
- Ralph
Ralph Stuart, CIH, CCHO
ralph**At_Symbol_Here**rstuartcih.org
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