Types of multimeters

Multimeters are devices for measuring electrical quantities, used by both professionals and amateurs. All types of multimeters quickly and accurately measure voltage, current, resistance, and other parameters, which makes them indispensable for diagnosing electrical circuits and equipment.

Functions of multimeters

Basic measurements that you can take with multimeters:

• Alternating and direct voltage in electrical circuits.
• Current strength in the circuit.
• Resistance of conductors and components.
• Diode testing.
• Diagnosing electrical networks for short circuits.

Multimeters types

There are two main types of multimeters – analog and digital. More about the types of multimeters:

• Analog multimeters were the first to appear on the market. They are equipped with an arrow indicator, which deviates depending on the value of the measured parameter. Analog multimeters are useful for monitoring gradual changes in readings, like tuning radio frequency circuits. However, their accuracy is inferior to modern digital devices, and they require the user to pay extra attention to the readings.
• In digital multimeters, measurement results are displayed on an LCD display. This makes them more convenient for everyday use, as the reading accuracy is much higher. In addition, digital multimeters have wide functionality and built-in overload protection.

Professional digital multimeter

These devices are highly accurate and easy to use. Unlike analog models, a professional digital multimeter displays the results on a screen, which greatly simplifies readings and minimizes the errors.

Advantages of digital multimeters:

• Provide precise measurements thanks to built-in microprocessors. They can measure values up to several decimal places.
• Function to automatically select the measurement range. This makes it easy to use the device, since you do not need to manually adjust the measurement limits.
• Feature data storage, relative value measurement, automatic calibration, and even a computer connection for subsequent data analysis.
• Safe against overloads thanks to built-in fuses and protection systems. This increases their reliability and safety.

Most types and kinds of digital multimeters can be used for both household and professional purposes. For example, they are used by electricians to test electrical systems, by engineers to check the functionality of components, and by teachers in labs.

Optical multimeter

These devices are designed for diagnostics and the measurement of parameters in fiber-optic networks. They are used in the installation and maintenance of optical communication lines, Internet cables, and long-distance data transmission systems.

Functions of optical multimeters:

• Measuring signal attenuation. Fiber optic communication lines transmit information through light pulses. Optical multimeters measure the attenuation level of these signals, which allows you to assess the quality of the cable and detect damage.
• Testing optical connectors. Multimeters check the integrity of connectors and connections in fiber optic systems. It is critical for maintaining a high data transfer rate.
• With optical multimeters, you can accurately determine the location of cable damage or line breaks, which significantly speeds up repairs.

Optical multimeters are key for telecommunication companies that install and maintain fiber optic communication lines. These devices help engineers to quickly identify problems while maintaining high data rates in modern networks.