Instrument Set-up for a Duct Traverse

[@rickmonster636]

Thanks for posting this tutorial. Made my setting up for jobs easy

[@derrickgarcia303]

How do you calculate to where you should drill the holes? Thanks

[@dr.usakureuben6493]

Hi! TSI INC . I'm a Ph.D. student in occupational health and
environmental safety. please, I need this particular model IAQ- Cal 7575
to buy for sample collection. please, how much?

[@Stevotube12]

1000 Bitcoins