Electronic noise, also known as electromagnetic interference, impedes cable communications and weakens their integrity. Typically, machinery and motors that emit electromagnetic radiation serve as EMI receiver generators. Conducted interference and radiated interference are the two forms of EMI receivers. The coupling of signals from one electrical network to another electrical network over a con...
This HVR-LS Horizontal Vertical Flame Test Chamber meets the requirements of ANSI/UL94, IEC60695-11-3, IEC60695-11-4, IEC60695-11-10, IEC695-2-2 , GB- 4943, GB/T5169.15, GB/T5169.16, GB/T5169.17, GBT5169.22 Standard. What’s use of Horizontal & Vertical Flame Test Chamber? It is used to test the appliances and plastic materials parts of electrical equipment for the horizontal, vertic...
Integrating sphere, also known as luminous sphere and photometric sphere, is a hollow and complete spherical shell. The integrating sphere is mostly made of metal materials, and the inner wall is coated with a white high diffuse reflection layer (usually magnesium oxide or barium sulfate), and all points on the inner wall of the sphere diffuse evenly. There are also integrating spheres made of hig...
Integrating Spheres have a specified sensitivity to beam size and beam divergence. An integrating sphere is an optical instrument for capturing a light beam and measuring the power in the beam under specific conditions. It is also known as the Ulbricht Sphere and consists of a hollow spherical cavity. The inner surface is covered with a diffuse white reflective coating and the entrance and exit p...
1. About RoHS Directive The EU 2002/95/EC RoHS Directive “On the Prohibition of the Use of Certain Hazardous Substances in Electronic and Electrical Equipment” requires that since July 1, 2006, the sale of lead, mercury, pot, hexavalent Electronic and electrical equipment containing six hazardous substances: Ming, polybrominated diphenyl ether PBDE and polybrominated biphenyl PBB. The ...
LM-79 and LM-80 are energy efficiency standards approved by IESNA for LED product testing. LM-79 test refers to the photoelectric measurement of solid-state lighting products, mainly testing the luminous flux, light intensity, color degree, etc. LM-80 luminous flux maintenance rate (LED) life standard mainly tests the maintenance rate of luminous flux output, that is, the life test of LED light so...
After in-depth study on the three main forms of direct lightning strike, conducted lightning strike and induced lightning strike, people have established the theory of lightning induction and high-voltage counterattack, and defined the transmission law of high-voltage lightning wave on metal wire On this basis, gap series fuse arrester, gapless zinc oxide arrester and transient overvoltage surge s...
Temperature Humidity Chamber | Thermal Chamber | Climate Chamber is according to IEC60068-2-1 (GB/T2423.1) and IEC60068-2-2 (GB/T2423.2), IEC60068-2-78, IEC60598-1, GB/T2423.17, GB/T5170.2, GB/T5170.5. The climate chamber is used to test the CFL/LED which meets IES LM-80-08, electricity products, automative cars, home appications and mobiles. GDJS-015B High and Low Temperature Humidity Chamber ...
The EFT61000-4 EFT immunity tester is specially designed according to the characteristics and requirements of EFT measurement and it is an ideal disturbance source of EMS measurement. It has fine performance, such as high stability, high reliability, easy to use etc. It meets the standards requirements of IEC 61000-4-4, EN 61000-4-4, GB/T17215.301, GB/T17215.322 and GB/T17626.4. EFT61000-4 h...
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