Cart
Article
A Solid-State Water Flow Fault Safety Switch for the Chemical Laboratory
Hi-Res PDF
Your current credentials do not allow retrieval of the full text.
Purchase the full-text
- PDF/HTML,
figures/images,
references and tables,
(where available)
Instituto de Química da Universidade de São Paulo, Caixa Postal 26077-CEP 05599-970, São Paulo-SP, Brazil
Eaton, Cutler Hammer do Brasil, Diadema-SP, Brazil
J. Chem. Educ., 1998, 75 (9), p 1132
DOI: 10.1021/ed075p1132
Publication Date (Web): September 1, 1998
Abstract
A low cost solid-state water flow fault switch with a thermal sensing device is described that cuts the electric power of the heating element, normally employed in distillation and reflux devices, whenever their cooling water streams are impaired. This to prevent any possible escape of distillate vapours which may be toxic or flammable.The use of a solid-state relay provides entire isolation between the low voltage circuits and that of the power line, as well as no arcing during the on/off process which makes it safe for use in chemical environments.The apparatus also includes optional light and sound alarms.
Keywords (Audience):
First-Year Undergraduate / GeneralKeywords (Domain):
Safety / HazardsKeywords (Subject):
Instrumental MethodsView: Hi-Res PDF | PDF w/ Links
Tools
-
Add to Favorites
-
Download Citation
-
Email a Colleague -
Permalink
Order Reprints
Rights & Permissions
Citation Alerts
History
- Received: August 03, 2009
ACS
Network
Facebook
Tweet This
CiteULike
Newsvine
Digg This
Delicious
