How do you construct an OVEN THERMOMETER?

annagrace

I need to construct an oven thermometer out of scratch using any materials that are purchasable. Our restrictions are:
- No mercury
- The product must be able to read from 250 degrees fahrenheit to 500.
- MUST FIT IN THE OVEN PLZ.
thank you

russ_watters

Is this homework? AFAIK, most oven thermometers use a bimetallic strip wound in a spiral.

annagrace

but we are wondering if you know how to construct it

russ_watters

Um...... what I said doesn't give you enough information? Is this homework?

annagrace

yep, this is a bonus project for our physics 11 class. any help would be greatly appreciated

Hurkyl

Quote by annagrace

I need to construct an oven thermometer out of scratch using any materials that are purchasable.

Any materials at all? I would start by purchasing an oven thermometer.

TVP45

Look at www.Omega.com for ideas (You could even buy some of their stuff if you wanted).

stewartcs

Quote by annagrace

but we are wondering if you know how to construct it

Just like Russ told you...a bi-metallic strip in a spiral shape. Just put a pointer on it.

http://www.tpub.com/content/fc/14104/css/14104_236.htm

Math Jeans

I don't even think you need a bimetalic strip. All you really need is a metal with a very high melting point, you need to know its coefficients of thermal expantion, and you need a micrometer.

Of course, this is only as a last resort if you cannot create a bimetalic strip.

rcgldr

How about a thermal couple and a voltmeter?

noagname

why don't you buy one and scratch the company's name off and put yours on

wysard

First: Construct an oven

Second: Construct a usefull measure for telling if the oven is "ovening"?

Otherwise:
- Buy one????
- Use a pyrex 1 cup pitcher near the door and calculate the rate of evaporation?
- Put a Christmas Card from one of your Ex's in the oven. When it ignites the oven has passed Farenheit 451?

Ideas abound....

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annagrace	How do you construct an OVEN THERMOMETER? Tweet I need to construct an oven thermometer out of scratch using any materials that are purchasable. Our restrictions are: - No mercury - The product must be able to read from 250 degrees fahrenheit to 500. - MUST FIT IN THE OVEN PLZ. thank you

russ_watters Mentor	Is this homework? AFAIK, most oven thermometers use a bimetallic strip wound in a spiral.

TVP45	Look at www.Omega.com for ideas (You could even buy some of their stuff if you wanted).

Math Jeans	I don't even think you need a bimetalic strip. All you really need is a metal with a very high melting point, you need to know its coefficients of thermal expantion, and you need a micrometer. Of course, this is only as a last resort if you cannot create a bimetalic strip.

rcgldr Recognitions: Homework Help	How about a thermal couple and a voltmeter?

noagname	why don't you buy one and scratch the company's name off and put yours on

wysard	First: Construct an oven Second: Construct a usefull measure for telling if the oven is "ovening"? Otherwise: - Buy one???? - Use a pyrex 1 cup pitcher near the door and calculate the rate of evaporation? - Put a Christmas Card from one of your Ex's in the oven. When it ignites the oven has passed Farenheit 451? Ideas abound....