Hydraulics make machinery more appealing! Please follow the hydraulic community! A multimeter, also known as a multimeter, three-in-one meter, or multifunction meter, is a versatile measuring instrument that can generally measure DC current, DC voltage, AC voltage, resistance, and audio levels. Some models can also measure AC current, capacitance, inductance, and certain parameters of semiconductors … Read more
📌 The quality of PCBs is crucial, from component testing to complete board testing.Whether for electronic products or smart devices, a reliable testing process and equipment are core elements to ensure product stability and reliability. 🔵 1. Incoming Material Inspection (IMT) Purpose: Ensure all components meet design specifications to prevent defective parts from entering the … Read more
In daily electrical maintenance or motor inspection work, determining the condition of a three-phase motor is a crucial skill. The multimeter, known as the “magic tool” for electrical maintenance, plays a significant role in this process. So, which setting should we use on the multimeter to assess the condition of a three-phase motor? Hello everyone, … Read more
[Tip] Click the blue text below the titleElectrician Home to follow For business cooperation, please contact QQ: 2226701662 For more exciting consultations, please follow Electrician 365 (diangong365) Electrician Home QQ Group: Group 1: 468193845 Group 2: 522898769 The multimeter is one of the indispensable tools for automotive repair technicians. Early multimeters had very simple functions, … Read more
Many electricians habitually use a shake meter to measure the condition of motors in their daily work. This is undoubtedly a common and relatively safe testing method. Today, I will share how to use a multimeter to measure the condition of a motor, so that if a shake meter is not available, you can still … Read more
Testing of the Contactors Using Multimeter Resistance Mode, The Testing Process is as Follows: â‘ In normal conditions, measure the resistance of the normally open and normally closed contacts. The image below shows the resistance measurement of the normally open contact of the AC contactor in normal conditions. Since the normally open contact is open … Read more
Search on WeChatTechnical Training1. Voltage Checking Method The voltage checking method uses a voltmeter or multimeter on the AC voltage setting to measure live circuits, which is an effective method for locating fault points. The voltage checking method includes voltage step measurement and voltage segment measurement. (1) Voltage Step Measurement During measurement, first set the … Read more
1. Choose the appropriate megger: If the rated operating voltage of the motor being tested is 380 volts, we can choose a 500V megger. 2. Place the megger flat, perform a short circuit test by connecting the two probes together; if the pointer approaches 0, it indicates good condition. 3. Next, separate the two probes, … Read more
Article from “Power Equipment Management” magazine The clamp ammeter is composed of a current transformer and an ammeter. The core of the current transformer can open when the clamp is tightened; the wire carrying the current to be measured can pass through the opening of the core without being cut. When the clamp is released, … Read more
01. Correct Use of the Multimeter To use the multimeter correctly, familiarize yourself with the dial. Adjust the two zero position regulators gently. Choose the correct binding posts, and insert the red and black probes into the correct holes. Turn the switch to the correct position; ensure the range is set appropriately for accurate readings. … Read more