What is the primary use of a calibrated test gauge?

The primary use of a calibrated test gauge is to verify the accuracy of other gauges. This involves comparing the readings of the test gauge, which is known to provide accurate measurements, with the readings from other gauges that may be in use. By doing so, technicians can determine if those other gauges are functioning correctly or if they need calibration or replacement. This verification process is critical in maintaining the integrity and reliability of measurements within a system, ensuring that processes operate safely and efficiently.

Monitoring system performance and adjusting valve settings, while important aspects of instrument technician work, do not specifically relate to the primary function of a calibrated test gauge. Similarly, measuring temperature changes deals with thermal instrumentation rather than pressure or other parameters typically associated with calibrated test gauges. Therefore, the focus on verifying the accuracy of other gauges distinctly highlights the essential role of a calibrated test gauge in the field.