Re: drying cyanotype: LS
Jodie Allen ( 74160.3410@CompuServe.COM)
Wed, 08 January 1997 11:36 PM
>I don't know how the newer electronic-type RH meters work and
>how accurate they are. Perhaps someone on the list is familiar
>with them?
They usually measure the change in the electrical capacitance of a water
permeable membrane. I don't remember what their typical measurement uncertainty
is.
- Wayde Allen
(74160.3410@compuserve.com)
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