A Beginner’s Guide on How to Use a Multimeter
In the field of electronics, a measuring instrument such as a multimeter is required to determine the electrical properties of industrial wiring and tools. As the word ‘multi’ indicates, it combines the functionality of two or more metres into a single device. They are typically a Voltmeter, an Ammeter, and an Ohmmeter. Each of these measuring tools can be used individually within the multimeter. Multimeters often have other specialised functions, such as the ability to measure temperature. As a result, electricians have more options when it comes to selecting a multimeter for their requirements. In the market, these devices are available in a variety of shapes, sizes and brand names, including Fluke Singapore.
A multimeter is a must-have tool for professional electricians since it measures voltage, current, and resistance, which are the three fundamental electrical properties. It can also assess the continuity between two points in an electrical circuit as well as detect and troubleshoot any issues in it. Multimeters can be classified into two types: analogue and digital.
1. Analog Multimeters
These instruments use a needle and a microammeter to measure various electrical properties. Analog multimeters do not require any external power source to function. They are more sensitive to changes than digital multimeters, enabling their readings to be more precise. However, this responsiveness can make reading difficult and cause delays.
2. Digital Multimeters (DMM)
DMMs use quantisation to deliver highly accurate measurements, which entails converting an electrical signal into a numerical digital output. They are compact and easy to use, making them ideal for both electricians and homeowners. The automatic ranging feature on this metre eliminates the need for the operator to physically select the measurement. Due to their accuracy, quick response, and LCD display screen, digital multimeters have become more popular than analogue multimeters. There are several popular brands that provide high-quality DMMs, including Fluke Singapore.
The Components of a Multimeter
The following are the key elements of a multimeter.
- The dial – It is turned to select the function that the device should perform. The dial can also be used to turn the instrument on and off.
- Test cables – Each multimeter comes with two cables: red and black. The red signifies the positive, while the black represents the negative.
- Sockets – The test wires are plugged into these sockets to connect to the multimeter. Generally, a single device has more than two sockets.
- Display – An LCD (Liquid Crystal Display) is utilised for multimeter displays. It presents the numerical values for all readings and the unit of measurement.
- Buttons – A multimeter typically has several buttons. They can include a power button, a light button, and others such as hold, shift, or range buttons.
How to Use a Multimeter
The functionality and operations of a multimeter are the same for both analogue and digital devices. The device contains three ports with two leads or probes. Once the leads are plugged in, turn the knob in the centre to enable the relevant functions. When measuring, avoid touching the bar ends of the metal in the tester when it is activated, as this can result in an electric shock.
The Benefits of Using a Multimeter
- The measurements are highly accurate.
- A clear reading can be obtained at higher viewing distances.
- The output display is provided automatically.
- They are cost-effective due to the integrated technology.
CETM eStore – A Leading Provider of Electrical Measuring Instruments in Singapore
Are you seeking a reliable equipment provider to fulfil your electrical test and measuring requirements? Then CETM eStore is the place for you. We are an online extension of CE-Test & Measurement (S) Pte Ltd and a one-stop destination for all your test equipment needs, whether it’s a fluke multimeter or a compact infrared thermometer. As a Fluke authorised distributor in Singapore, we provide a variety of industrial equipment from Fluke Singapore as well as other reputable brands. We also offer pre-sales demonstration, equipment calibration, and product training as part of our solutions. If you have any inquiries, get in touch with us today!