Daily Maintenance and Common Problems in Testing of Loop Resistance Tester - Yangzhou Darui





Three-phase phase volt-ampere meter (also known as volt-ampere meter) many people have not heard of it yet. This meter is a handheld, dual-channel, fully automatic, high-function, and high-precision measuring instrument. What is the specific usage method of the three-phase phase volt-ampere meter? Let's learn about it together.

The characteristics of the three-phase phase volt-ampere meter are quite obvious. This instrument mainly uses new microprocessor technology and digital signal processing technology, and also directly uses AC sampling methods to achieve measurement values of power grid parameters, such as measuring the effective values of voltage and current, power frequency, and their mutual relationships. It can not only determine the connection group of transformer windings, inductive and capacitive resistance, but also effectively test secondary circuits and bus differential protection systems. It is necessary to check whether the wiring of the electric energy meter is accurate. However, when using this volt-ampere meter, it can provide a safer, more accurate, or more convenient new type of electric power instrument for electricity inspection personnel. Moreover, its applicable range is also very wide. It can be used in many power departments, petrochemical departments, metallurgical departments, iron ore enterprises, or industrial and mining enterprises, as well as research institutes and quality departments. It is particularly suitable for electric energy metering systems and relay protection systems.