GB/T 6113.402-2022 "Specification for Measurement Equipment and Measurement Methods for Radio Interference and Immunity Resistance - Part 4-2: Uncertainty, Statistics and Limit Model Building for the Uncertainty of Measurement Equipment and Facilities" is an equivalent adoption o...

NEWSLatest NewsOn February 6, 2023, local time in the United States, the FCC officially released the FCC 22-84 document, which came into effect on the date of release. This document mainly aims to prevent the United States from security threats by strengthening equipment authoriz...

I. Common-mode signal and differential-mode signal As shown in the above figure, the blue signal is transmitted back and forth within the two wires, which we call "differential mode"; the yellow signal is transmitted between the signal and the ground wire, and we call it "common ...

　　As Europe is about to enter winter, due to the continuous intensification of factors such as energy crisis and gas shortage, the usage of natural gas in many European countries has been restricted, leading to an increase in heating demand. As a result, the export orders of...

Y电容Y电容是安规电容的一种，安规电容是指用于这样的场合：即电容器失效后，不会导致电击也不会不危及人身安全。也就是因为这样安规电容与其他普通的电容有着不一样的地方，普通的电容在电源断开之后很长一段时间还会保留一定残留电压，一旦手触碰到就会发生电击，而安规电容却不会。Y电容大多数为蓝色，但是也有黄...

　　Asia　　Saudi Arabia　　The Saudi Arabian Standards Organization (SASO) has started implementing the RoHS requirements for restricted substances in small household appliances on July 4th. Products already on the local market have a 365-day transition period until July 4th,...

　　Recently, the Electrical Appliance and Electronic Product Pollution Prevention Standard Working Group of the Ministry of Industry and Information Technology organized a "Launch Meeting for Deepening the Management of Restricting the Use of Hazardous Substances in Electrica...

　　What is the FEI number for pharmaceutical companies? How can one apply for the FEI number of the FDA and the Registration number for FDA registration?　　The Food and Drug Administration (FDA) is one of the executive agencies established by the United States government with...

In order to alleviate the burden on enterprises in complying with the UKCA marking regulations, and to address the potential increase in the demand for conformity assessment services by conformity assessment bodies (CAB) at the end of the year, on June 20, 2022, the British gover...