มัลติมิเตอร์

Analog multitesters make measurements of DC voltage, AC voltage, DC current and resistance. Except come special products, they have no function to measure the AC current. Characteristics of recent analog multitesters incllude the extended measuring range function (particularly for fine voltage and current) with an amplifier installed, the function to allow the measurement of capacitor capacity, and the zero-center meter finction. To enhance operability and usability, some products include hte auto range function, automatic polarity switching function, and a structure integrating a case to allow the storage of a test lead. There are some testers that allow the measurement of hFE (DC current amplification factor) of a transistor and temperature measurement using a temperature sensor, which is offered as an optional accessory.