Bad Sensor

[Ernesto]

Howard as usual was going on about the CaCl test and it's lack of pedigree, ie size of dish, dessicant used yata yata.

When ever I hear that I always want to ask why they use the dessicant in a similar way in the ASTM E-96 for vapor transmission in various specimens. But no one can tell me the pedigree for this method either.

11. Procedure for Desiccant Method
11.1 Fill the test dish with desiccant within 1⁄4 in. (6 mm) of
the specimen. Leave enough space so that shaking of the dish,
which must be done at each weighing, will mix the desiccant.
11.2 Attach the specimen to the dish (see 10.1) and place it
in the controlled chamber, specimen up, weighing it at once.
(This weight may be helpful to an understanding of the initial
moisture in the specimen.)
11.3 Weigh the dish assembly periodically, often enough to
provide eight or ten data points during the...blah blah blah