China Wholesale semiconductor refrigeration Factories – LEAT-3 Measuring instrument for specific heat of vaporization of liquid – Labor

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China Wholesale semiconductor refrigeration Factories – LEAT-3 Measuring instrument for specific heat of vaporization of liquid – Labor Detail:

The instrument improves the traditional heating and steam transmission device in the experiment of liquid specific vaporization heat, avoids the heat loss of steam in the process of transmission and reduces the experimental error. The temperature control circuit is added to the heating furnace, which is convenient to control the water over boiling and ensure the rate of the water steam input calorimeter meets the experimental requirements. In this experiment, the heat meter is filled with polystyrene foam plastic to heat insulation, which is better than that of air insulation. The temperature measurement instrument adopts the integrated circuit temperature sensor AD590 (linear temperature sensor), which realizes the non electric measurement of the specific vaporization heat of liquid, and accurately measures the specific vaporization heat of water and other liquids.

Experiments

1. Learn the calibration of integrated linear temperature sensor, and be familiar with its accurate temperature measurement method;

2. Measure the specific heat of vaporization of water.

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