Introducing the 37mm
Pocket Cassette Opener
What do these filter shapes
Have in common?
They are hard to
find, at a good
to get ordering
Relocatable Field Gridded Cover Glass for asbestos fiber evaluation
A unique gridded cover glass has been developed. When used to prepare a slide for fiber counting, it superimposes
2 gridded viewing fields onto the chemically cleared filter wedge. Each grid of the viewing fields is divided into 14 columns
and 10 rows. Each column is denoted by an alphabet letter and each row by a number. Thus, each viewing field can be
identified and relocated for accurate re-examination (Image 1). The diameter of each viewing field is approximately 100 µm
(Image 2.). By placing the Walton–Beckett graticule within each viewing field, one proceeds to count the fibers by
The "Swiss Army Knife" of Air Sampling
Now Available in North America
ZOA 100 Oxygen analyzer uses a
seous diffusion micro
zirconium oxide cell.
Several versions are designed
to address the most severe
ZRA Oxygen analyzers' high tech sensor , ensures accurate and reliable oxygen measurements from ambient air , down to ppm in as little as a few seconds. ....