Colotemp Colour Change Crayons

When applied to pre-heated surfaces, should a colour change take place, within 1-2 seconds, then the temperature is within +/- 5^oC, of it's rating.  An instantaneous change indicates the temperature is higher than it's rating, and should a colour change take place after 2 seconds then the temperature is below it's rating.

Applications:

• Paper, rubber, textile, plastics, chemical and electrical industries.
• Zinc foundries, aluminium processing and the glass industry.
• Iron & steel industry, enamelling, welding and fabricating.

Ref: CCOTHE

Size: 3.03" (77mm)

Type: Colour change crayon. When applied to pre-heated surfaces, if color change takes place:

• Within 1-2 seconds - temperature is within +/-5^oC of its rating.
• Instantaneously - temperature is higher than its rating.
• After 2 seconds - temperature is below its rating.

Scale: ^oF and ^oC

Range: (Sold in units of 10, complete with aluminium holder).