A digital panel meter is an electronic instrument used to display important electrical measurements such as voltage, current, frequency, power, and temperature in a clear numeric format. Its main purpose is to provide accurate and real time readings that help users monitor and control electrical systems more effectively. Digital panel meters are widely used in industrial automation, power systems, laboratory testing, and many types of equipment where reliable measurement is essential. Their popularity has grown due to their precision, easy integration, and ability to present data in a consistent and readable way.
A Rogowski coil is an electrical device used to measure alternating current (AC) with high accuracy, excellent linearity, and a wide dynamic range. It belongs to the family of non-intrusive current sensors and is commonly used in power monitoring, protection systems, and industrial automation. Unlike conventional current transformers (CTs), a Rogowski coil does not contain magnetic cores. Instead, it is made of a uniformly wound helical coil placed around the conductor being measured. The absence of a magnetic core gives it several advantages, including immunity to core saturation, lightweight structure, and excellent performance in measuring rapidly changing currents.
Leakage current sensors operate by measuring the differential current in a circuit. In a balanced, properly insulated system, the sum of currents in the live and neutral conductors should be zero. When a leakage occurs, part of the current diverts to the ground or another unintended path, creating an imbalance. Leakage current sensors detect this imbalance and convert it into a measurable signal.
Current transducers are essential components in modern power monitoring, automation, renewable energy systems and industrial equipment. They convert electrical current into measurable signals that can be used for control, protection and data acquisition. As global demand for energy efficiency and intelligent power management increases, the market for current transducer manufacturers has expanded rapidly. Many suppliers now offer a wide selection of AC, DC and mixed current measurement devices with different levels of accuracy, response time and installation flexibility.
On September 17, 2025, Tianrui Group’s Nanjing Branch welcomed distinguished guests from Italy. The clients made a special trip to Nanjing with the aim of gaining a comprehensive understanding of Tianrui Group’s technological capabilities, product portfolio, and manufacturing strength
Nanjing, April 29, 2025 - To deepen team collaboration awareness, facilitate cross-departmental communication, relieve work pressure, stimulate team vitality, and enhance mutual understanding, Hubei Tianrui Electronics Co., Ltd.'s Nanjing Branch organized an outdoor team-building event for all emplo
March 1, 2017 -2 days, Hubei Tianrui Electronics Co., Ltd. operating conference held in Nanjing. The meeting was presided over by Liu Hongbin, the deputy general manager of the company. He Bin, genera
On September 3-6, 2024, Tianrui Electronics Co., Ltd. participated in 2024 ELECTRIC & POWER in Ho Chi Minh City, Vietnam, which was attended by more than 200 enterprises from all over the world.
From May 14 to 16, 2024, Tianrui Electronics participated in 2024CWIEME "German Coil, insulation material, motor and transformer Manufacturing Exhibition" held in Berlin International Convention and Exhibition Center, there are totally over 600 enterprises from Germany, UK, India and other co
On June 12, 2023, Tianrui Electronics participated in the CIRED2023 International Power Supply Conference and Exhibition and Power Grid Innovation and Sustainable Development Summit Forum in Rome, Italy. This conference will promote the high-quality development of future power distribution technolog
