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How Dry Block Calibrators Work: A Step-by-Step Guide
Source: | Author:Y | Published time: 2025-06-13 | 0 Views | Share:

Understanding the working mechanism of dry block calibrators is crucial for maximizing their potential. The process begins with the insertion of the temperature sensor into one of the holes in the metal block. Once the sensor is in place, the calibrator's heating or cooling system is activated.
The control unit of the dry block calibrator plays a pivotal role. It continuously monitors the temperature of the metal block and adjusts the heating or cooling output to reach and maintain the desired setpoint. Advanced models are equipped with sophisticated PID (Proportional-Integral-Derivative) controllers, which ensure rapid and stable temperature control, minimizing overshoot and undershoot.
As the temperature of the metal block stabilizes, the temperature sensor being calibrated is exposed to a precisely controlled thermal environment. Technicians can then compare the sensor's readings with the known accurate temperature of the block, identifying and correcting any discrepancies. This iterative process guarantees the accuracy and reliability of the temperature measurement device.