A Simple, Practical Control System for Ceramic Kilns

Free booklet tells how combining "obsolete" controls provides equally good results at a fraction of the cost of "high tech" solutions.

Happiness and success in kiln firing means consistently achieving good results from low cost, easy to use equipment that operates reliably and efficiently. Too good to be true? Not at all! The key to that kind of happiness has been commonly available for years.

The KilnSitter® was invented in the 1950?s by Wilfred P Dawson, a theater film projectionist whose wife was a ceramics artist. Thousands of these units have been used over the past half-century, in all sorts of settings and with consistently good results. The KilnSitter uses a special pyrometric cone to regulate firings, much as a person would mind their kiln manually. When the cone bends, the firing is considered complete and the control trips the kiln off. Nothing could be simpler. Over the years this ingenious little device has saved people millions of hours of kiln-sitting.

The KilnSitter does not regulate the early stages of kiln firing however. That was a problem since in order to get to very high temperatures, electric kilns have lots of heating capacity, and are capable of drastic temperature rises when beginning from room temperature. FireRight provided a solution for this problem many years ago with simple controllers designed to regulate the turn-up process. Today?s implementation is called the ?AutoMate II Automatic Kiln Switch.? Used in combination, the KilnSitter and the AutoMate II provide a completely automated solution, proven through years of experience, and at a fraction of the cost of programmable digital controls being offered today.

Warner Instruments has manufactured controls for ceramics and pottery kilns since 1976, under the KilnTroller and FireRight brand names. The booklet is free at

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