Digital panel meters are devices that display a digital reading of an analog signal from a sensor or instrument. They are commonly used in a variety of industrial and scientific applications to provide a convenient way to monitor and display process variables such as temperature, pressure, flow, and more.

Digital panel meters can be configured to accept a wide range of input signals, including 4-20mA current loops, thermocouples, RTDs (resistance temperature detectors), and other types of analog signals. They typically have a display that shows the current reading in numerical form, and may also have additional features such as min/max or average value display, alarms, and data logging.

One of the main advantages of digital panel meters is their low cost and ease of use. They are relatively simple devices that can be easily installed and configured, making them a popular choice for many applications. They are also highly accurate and reliable, and can be used to monitor and control processes in real-time.