Orton Cone Junior (small)

Pyrometric cones measure heat-work (the effect of time and temperature). They are slender pyramids made from about 100 carefully controlled compositions. Each cone number is unique in measuring temperature within a small temperature range (less than 30°C). Cones measure the amount of heat absorbed over time. As the cone nears its maturing range, it softens and the tip begins to bend, drawn down by the influence of gravity.

Small cones are for use in the kiln sitter. When the cone bends, it triggers the kiln to turn off.

Learn about using Pyrometric cones here

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