power supply, Potentiometer.
thermometer, digital thermometer

 

Code Number: 1A10.80

Demo Title: Metric vs. English Demos - Temp Scales

Condition: Good

Principle: Units of Measure

Area of Study: Mechanics

Equipment: 

Overhead thermometer with F and C, 12 V DC power supply, Potentiometer.

Procedure: The thermometer no longer works with a thermocouple so a DC power supply and variable pot are used. The hookup is as shown and the voltage used on the power supply is around 5 Volts.