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Temperature control with Crayons


Crayons are an alternative way to control temperature when there is a lack of space, or when temperatures rise above 290ºC where strips can't be used.

test example of change

crayons

Colour Change Crayon Behaviour

When applied to pre-heated surfaces, if colour change takes place:

(a) within 1-2 seconds, the temperature is within +/- 5ºC of its rating

(b) instantly, the temperature is higher than its rating

(c) after two seconds, the temperature is lower than its rating

Accuracy: +/-5ºC



REF INITIAL COLOUR COLOUR CHANGES AS BELOW
120 120ºC/248ºF
245 245ºC/473ºF 335ºC/635ºF 505ºC/941ºF
600 600ºC/1112ºF

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