A multimeter or a multitester is also known as a VOM (volt-ohm-milliammeter), is an electronic measuring instrument that integrates several measurement tasks in one unit. A particular multimeter can measure voltage, current, and resistance.
1. Voltage, alternating and direct, in volts.
2. Current, alternating and direct, in amperes.
3. Resistance, in ohms.
4. Capacitor, in farads.
5. The frequency in Hz.
6. Temperature Celsius or Fahrenheit