Multimeters
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Description
A multimeter or a multitester, also known as a volt/ohm meter or VOM, is an electronic measuring instrument that combines several measurement functions in one unit. A typical multimeter may include features such as the ability to measure voltage, current, and resistance. Multimeters may use analog or digital circuits—analog multimeters and digital multimeters (often abbreviated DMM or DVOM.) Analog instruments are usually based on a microammeter whose pointer moves over a scale calibration for all the different measurements that can be made; digital instruments usually display digits but may display a bar of a length proportional to the quantity measured.
A multimeter can be a hand-held device useful for basic fault finding and field service work or a bench instrument that can measure to a very high degree of accuracy. They can be used to troubleshoot electrical problems in a wide array of industrial and household devices such as electronic equipment, motor controls, domestic appliances, power supplies, and wiring systems.
- Temperature and Environmental Applications
- Low-cost weather station
- DMM internal temperature
- Voltage Measurements
- High and low-value DC measurement
- Peak to Peak and DC average measurement
- Current Measurements
- DC measurement
- True RMS AC
- Resistance Measurement
- Micro ohmmeter
- Measuring resistance with constant voltage
- Measuring resistance with constant current
- Time and Frequency measurement
- Fast frequency
- Time measurement
Application
The applications of types of multimeter mainly involve various electrical and electronic projects for components testing and are also used in different measurement applications in the multimeter.
Thus, this is all about an overview of different types of multimeter, their working, advantages, disadvantages, and applications. Most of the technicians know the value of multimeters, so they always carry them with their tool kit. These instruments help in detecting faults accurately. Generally, multimeters are used to measure resistance, inductance, frequency & conductance. Some of the meters are used for measuring temperature and duty cycle. But advanced meters are used with some features to measure decibels, microamps, RPM, etc. Multimeters are available with probes, leads & clams. Similarly, some of the meters come with warranties as well as additional batteries to help them for a long time.
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