Something about rotary thermometer? - what two metals make bimetallic strip
Rotary A thermometer is a bimetallic strip, the spiral steel and brass will be made jointly.
(Bronze outter while the domestic steel)
What happens next, the two metals are traded?
Sunday, February 7, 2010
What Two Metals Make Bimetallic Strip Something About Rotary Thermometer?
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2 comments:
During normal operation of the spiral pattern of the bi-metal strip, producing the expansion ratio of the two different metals, a clockwise rotation "of the needle by a tightening of the spiral builds (brass over steel), which indicates an increase in temperature.
Changed the coil is loose and the needle on the left side shows a decrease of temperature.
Work primarily as 2 metals expand differently with temperature, so the more they developed into the ring and begins to relax a little
back, and still can not!
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