Accessories pair with compatible multimeters and clamp meters to expand their functionality and enhance performance. Adapters connect with meters to measure temperature, revolutions per minute (rpm), and stray or ghost voltages. Software and Bluetooth components and connectors allow measurement data to be saved and stored on a PC or sent to a smartphone. Other multimeter attachments like proving units, probe lights, or hanging straps make it easier to facilitate measurements in the field or confined spaces.