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A lab thermometer normally is very long and has a wide range of measurement with uniform degrees spread out over the distance and has a mark showing how far into the measured substance it go to get accurate measurements.
A clinical thermometer has a larger bore at the bottom where the contents can expand without measurement occuring then a tiny bore where the degrees are spread out at the body temperature. Thus at room temp, all the liquid is down in the big area and only as it gets up to 95 degree or so is the liquid expanded in the reading area. This allows the thermometer to be physically short and easy to handle while having wide degrees to be easy to read. There is also a trap so that the column separates leaving liquid in the tiny bore to read instead of dropping quickly on removal. The liquid has to shaken out of the tiny bore back into the big one.

2007-09-08 13:42:24 · answer #1 · answered by Mike1942f 7 · 0 0

clinical thermometer is used to measure the boby temperature of a person while liquid in glass laboratory thermometer is used to measure the temperature of the liquid.

2007-09-06 03:29:28 · answer #2 · answered by Mary Joy L 1 · 0 1

give more diffrences

2014-09-17 10:58:33 · answer #3 · answered by Akbar 1 · 0 0

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