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Comparing Thermocouple Calibration Furnaces with Other Calibration Methods
Source: | Author:Y | Published time: 2025-04-17 | 11 Views | Share:
There are other methods for calibrating thermocouples apart from using calibration furnaces, such as the ice - point method and the use of fixed - point cells. The ice - point method involves immersing the thermocouple in a mixture of ice and water at 0°C to establish a reference point. While this method is simple and inexpensive for low - temperature calibration, it has limitations. It can only provide a single calibration point at 0°C and is not suitable for high - temperature calibration.
Fixed - point cells, on the other hand, use substances with well - defined melting or freezing points (such as zinc or aluminum) to provide highly accurate calibration points. However, they are more complex and expensive to use compared to thermocouple calibration furnaces. Calibration furnaces offer the advantage of being able to generate a wide range of temperatures, allowing for multiple - point calibration. They are also more versatile, as they can be used in various industrial and laboratory settings, making them a popular choice for most thermocouple calibration needs.