Over voltages are a common source of damage in industrial electronic systems. It has been discovered as technology has advanced. Air discharges can also cause over voltages in addition to the equipment’s switching operations. The transfer impedance may be high or low depending on the location of the interference source. The transmission impedance will be low if there is interference in the s...
What is an Environmental Test Chamber? LISUN has been building the most recognizable environmental testing equipment in the industry. Every chamber sold is highly recommended in the market. LISUN has helped companies, small and large, create more reliable products as the most fully-featured environmental chamber on the market. LISUN’s environmental chambers are the high-performance solution ...
A goniophotometer is a tool used to determine an instrument’s luminosity. It does this by evaluating the 3D curve of the light intensity distribution. LISUN’s goniophotometer- LSG 6000 is typically used to measure the radiance or brightness of equipment. It gauges how bright indoor spotlights, street lamps, or car lights are. It assesses how evenly the light intensity is distributed in...
ESD is a science formed since the mid-20th century to study the generation and attenuation of static electricity, electrostatic discharge model, electrostatic discharge effect and electromagnetic effect (such as electromagnetic interference). In recent years, with the rapid development of science and technology, the wide application of microelectronic technology and the increasingly complex electr...
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 ...
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