DECENT AIR SYSTEM AD16-22DSV 2Pcs Digital LED Display AC 60-500V Green Voltmeter  (Digital)

A digital voltmeter (DVM) serves as an electronic tool designed for the precise measurement of electrical voltage. It represents a contemporary iteration of the conventional analog voltmeter, offering a numerical display of the voltage value being assessed. Unlike the traditional moving pointer on a scale, a digital voltmeter showcases the voltage measurement directly on a digital screen. Typically employing an analog-to-digital converter (ADC), these devices transform the analog voltage signal into a digital format. The ADC samples the voltage at regular intervals, assigning a binary value that signifies the voltage level, ultimately presented on the digital screen. Digital voltmeters present several advantages over their analog counterparts. They deliver heightened accuracy and resolution, facilitating easier interpretation of voltage measurements. Additionally, these devices boast faster response times and expanded voltage range capabilities. Widely employed across various sectors, such as electronics, electrical engineering, telecommunications, and the automotive industry, digital voltmeters are prized for their portability, user-friendly interface, and capacity to furnish precise voltage readings. Typically featuring input terminals, these meters allow for the connection of test leads or probes to the circuit under examination.