When it comes to assessing the performance of a product, a quality sensor is an essential tool. However, there are many ways to refer to such a device. Some possible synonyms for quality sensor include performance sensor, precision detector, reliability monitor, accuracy tracker, and efficiency gauge. Depending on the context, any of these terms may be appropriate. For example, a precision detector may be used to measure the accuracy of a machine, while a reliability monitor might be used to track the dependability of a system. Whatever the terminology used, the function of these monitoring devices remains the same: to measure and improve product quality.