How does the time constant of the thermometer will be affected if it is cooled in water?
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Thermal time constant is a constant representing the degree of thermal responsiveness. Since all the operations of the infrared camera are thermal phenomena, it is invariably accompanied by a time lag. For example, when the measurement object suddenly changes from 100°C to ０°C, the temperature of the device does not change suddenly but gradually to 0°C. Thermal time constant represents the time required for the device to transition from the state maintained at a certain temperature to a different temperature in this manner, and a standard value of 63.2% is used as the rate of change generally.
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