1. Usage of Multimeters 1. Understanding Common Symbols on Multimeters Types of electrical measurements and switch positions: ACV (or V) — AC voltage range, typically includes 2.5V, 10V, 50V, 250V, 500V, etc. DCV (or V) — DC voltage range, typically includes 0.5V, 2.5V, 10V, 50V, 250V, 500V, etc. DCmA (or mA) — DC milliamp range, … Read more
Common Electrical Measurement Tools and Their Usage This article introduces the usage methods and precautions for several commonly used electrical measurement instruments, including multimeters, ohmmeters, voltmeters, ammeters, and resistance measuring devices. 1. Briefly describe the method for testing non-marked diodes with a multimeter.Answer: Select the appropriate range; calibrate to zero; measure the forward and reverse … Read more
Correctly using electrical measuring instruments is an essential skill for circuit maintenance and repair. What instrument should we choose for different usage scenarios? 1. Multimeter A multimeter is a versatile electrical measuring instrument, commonly used by electricians, electronics technicians, and in the production and maintenance of electrical equipment. It can measure direct current, direct voltage, … Read more
The clamp ammeter is composed of a current transformer and an ammeter. The core of the current transformer can open when the clamp is squeezed; the wire carrying the current to be measured can pass through the opening of the core without being cut. When the clamp is released, the core closes. The clamp ammeter … Read more
Search on WeChat Electrical Engineering Learning 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 open gap of the core without being cut. When the clamp is … Read more
Click👆Reserve the live broadcast to see the wonderful sharing from big company CEOs! Previously, we disassembled two low-cost multimeters, and also disassembled a more standard multimeter. We can see that the design of multimeters is basically similar, with differences in some design details and materials. This time we will dissect a different type of multimeter … Read more