Digital panel meters measure and display processes and electrical variables via an alphanumeric digital readout

Digital thermometers are portable temperature sensing devices that have permanent probes and a digital display

Temperature instruments use contact or noncontact methods to measure temperature.

Digital ammeters are instruments that measure current flow in amperes and display current levels on a digital display.

Temperature sensors are measurement devices that infer temperature by sensing some physical characteristic (i.

Sound level meters and noise dosimeters are used in sound and noise analysis.

Ground resistance testers are devices that are used to measure and test electrical grounding systems.