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Shielding
Protects against or confines electromagnetic or ionizing radiation.
See Also: Shielding Effectiveness
- LBA Group, Inc
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RF Architectural Shielding Products
EMI (Electromagnetic Interference) is often used interchangeably with RFI (Radio Frequency Interference). However, EMI can be any frequency of electromagnetic noise, whereas RFI is a relatively narrow range of electromagnetic noise on the EM spectrum. EMI Shielding can be used to mitigate electric and magnetic radiation across various spaces. Radio Frequency (RF) Shielding can be used to mitigate RFI with specifically designed enclosures that can block RFI. As well, RF Shielding can include application of RF Shielding paints, fabrics, and other materials.
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Electrosmog Shielding
Gigahertz Solutions is your partner when it comes to shielding against electrosmog. We offer you products for shielding high-frequency fields as well as products for reducing low-frequency fields. Regardless of whether it is WLAN radiation, mobile phone radiation, Bluetooth or 5G; In our range for shielding from electrosmog you are guaranteed to find the right product with our shielding paints, canopies and shielding fabrics!
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EMI Shielding
Parker Chomerics electromagnetic interference (EMI) shielding product family spans a wide variety of uses and applications, including an extensive selection of EMI gaskets, shielded windows, shielded honeycomb air vents, cable shielding products, grounding solutions, shielding laminates, and metal foil tapes. It also includes conductive adhesives, coatings, sealants, greases and inks, as well as conductive plastics.
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Shielding Solutions
The highly transparent EMC shielding material Aaronia-Shield® and the high-tech EMC shielding fleece Aaronia X-Dream®, for example, offer very high EMC protection and are especially well equipped for all future high-frequency radiation sources in the high GHz range, which you can easily verify with our EMC Handheld Spectrum Analyzer. For magnetic field shielding, our MagnoShield® series offers unparalleled protection against alternating magnetic fields, such as cables, power distributors, high-voltage lines or transformers and generators.
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Shielding Effectiveness
Radiometrics Midwest Corporation
One of the more difficult tests to understand is shielding effectiveness or transfer impedance. The data from these tests may vary dramatically based on the test method selected, test fixture, test setup, measurement sensitivity, test personnel, etc. At Radiometrics all shielding effectiveness test are performed or supervised by NARTE Certified engineers.
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Shielding Solutions
Antenna Test Chambers are especially designed for testing RF devices and antennas from frequency ranges of 700 MHz to 6000 MHz. These Antenna Test Chambers provide a shielding of more than 90 dB as well as lowest residual passive intermodulation.
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Shielding Cube
CMQ200
The R&S®CMQ200 is a compact and fully integrated solution to cover most 5G devices in various applications. The drawer concept enables fully automated handling in manufacturing environments. The robust mechanical design ensures millions of test cycles for reliable mass production environments. The flexible cube design covers applications for smart devices, CPEs, RFIC and prototypes. R&S®CMQ200 is ready for 5G and other technologies in the frequency range from 20 GHz to 77 GHz.
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Shielding Cube
CMQ500
The R&S®CMQ500 is a compact and fully integrated solution to cover most 5G devices in various applications. The drawer concept enables fully automated handling in manufacturing environments. The robust mechanical design ensures reliable measurements in R&D environments. The flexible cube design covers applications for smart devices, CPEs, RFIC and prototypes. R&S®CMQ500 is ready for 5G and other technologies in the frequency range from 0.7 GHz to 77 GHz.
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RF Shielding Services
LBA offers complete architectural RF shielding capabilities, including RF shielding for communications, medical and other radio frequency interference sensitive facilities. LBA is a major provider of architectural shielding solutions for buildings, laboratories and other spaces. LBA also offers other RF shielding materials, such as paints, fabrics and faraday cages, as well as an integrated line of shielding components to provide a comprehensive shielding system.
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Shielding Effectiveness Test
Shielding effectiveness testing determines the ability of material to reduce the electromagnetic field in a space by blocking the field with barriers made of conductive and/or magnetic materials. Shielding effectiveness testing can be applied to a broad range of radio frequencies. Electromagnetic Shielding is typically applied to both enclosures and cables. The shielding can reduce the coupling or radio waves, electromagnetic fields and electrostatic fields. The amount of reduction can vary based on the material used, its thickness, the size of the shielded volume and the frequency of the fields of interest. Also impacting the effectiveness of the shielding is the size, shape and orientation or apertures in a shield to an incident electromagnetic field. Electromagnetic shielding that blocks radio frequency electromagnetic radiation is also known as RF Shielding.
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Shielding Effectiveness/ Conductivity Test
EM-2107A | 30 MHz – 1.5 GHz
The EM-2107A is a standard test fixture for evaluation of the electromagnetic shielding effectiveness of planar material. The fixture is an enlarged section of coaxial transmission line and complies fully with the requirements of ASTM test method D4935-1. The measured data relates to the shielding effectiveness due to a plane wave (far field EM wave) from which near field values for magnetic and electric fields may be inferred. The EM-2107A is provided with a reference standard test specimen, a dynamic range specimen. Dynamic range of greater than 80dB is achievable, although the cables and other test system components usually establishes the limiting factors.
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Test Fixture, Shielding Effectiveness
EM-2108 | 1.5 GHz – 10 GHz
The EM-2108 is a standard test fixture for evaluation of the electromagnetic shielding effectiveness (SE) of planar materials. The fixture is a section of coaxial transmission line broken to allow the insertion of planar test materials. Although ASTM D4935-10 is currently limited to an upper frequency of 1.5 GHz, the EM-2108 meets and complies fully with both the impedance and SE requirements called out in ASTM test method D4935-10 up to 10 GHz. These results are shown in Figures 1 & 2. The measured data relates to the shielding effectiveness due to a plane wave (far field EM wave) from which near field values for magnetic and electric fields may be inferred.
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EMI Shielding Effectiveness Testing
Eurofins E&E North America can easily develop sound engineering measurement techniques to quantify the SE of your product. Our process involves creating detailed SE Test Plans used to insure accurate and repeatable test results.Eurofins a has years of experience to assure our customers that the evaluation reflects the electrical attenuation performance of the material. Often times, our test report becomes supporting documentation for our customer’s end-user contractual requirement, where Independent Test Laboratory results verify the electrical performance of the material being tested.
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Magnetic Shielding Cabinet for EMI Testing
SDR-2000B
Cabinet Shell 2mm galvanized cold-rolled steel sheetCabinet Door 0.9*1.7m(L*W) 0.6*0.6mCabinet Window 0.3*0.3*0.025m(L*W*T) with 4mm hole N/APower Supply Filter 30A/220V 30A/220VInternet Line Filter RJ-45 N/ACabinet Inside Decoration PVC ceiling, PVC plastic steel wall, 10mm wooden + 2mm galvanized steel sheet floorCabinet Inside Size 2*1.2*1.8m 0.8*0.8*0.8mAfter Packing Size 2.2*2.3*2.3m 1*1.1*1.2mAfter Packing Weight 800kg 200kgWorking With EMI-9KA/EMI-9KB EMI-9KA/EMI-9KB, PC, Testing load, and operator inside Testing load is inside to connect with EMI-9KA/EMI-9KB via BNC
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Absorber Lined Shielding Enclosure Measurements
ALSE
Due to on-going work in the standardization committee CISPR D (responsible for CISPR 25) the latest issue CISPR 25 Ed. 4.0 has not been cited to-date. In the meantime we are able to offer two different validation procedures:
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Blank Shielding Module, Receiver/ITA, 1 Module Position
510104129
Blank Modules are made from black anodized aluminum or black PEI thermoplastic and are for unused module slots. The Blank Shielding Module fills a module slot and shields signals between the modules. Blank Modules fit either ITA or Receiver positions.
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Easy-to-assemble and Collapsible RF Test Enclosure With Fabric Shielding, ≥ 90 DB Isolation, 300 MHz - 18 GHz
dbTENT
The dbTENT is an easy-to-assemble, store and transport high-performance RF test enclosure. Whether you need to make measurements in the field or in the lab, the dbTENT provides superior 90 dB of isolation over a wide frequency range thanks to its patented double layer conductive fabric design. Featuring an interchangeable customisable I/O panel, the dbTENT meets all your needs for non-permanent isolated testing. With a setup time of only minutes, the dbTENT will get you ready for testing instantly in a wide variety of environments.
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Effectiveness
Shielding
The Sielding Effectiveness (SE) is measured in accordance withMil-Std. 285, NSA 65-6 and EN 50147 1.
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EMC
We will guide you through items that realize low-cost electromagnetic wave shielding measures (electromagnetic wave shielding: RF shielding), which is an issue at product development sites.
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RF Shielded Enclosure, 100dB from 1MHz to 10GHz
QuietBox-100m
The Raymond RF QuietBox-100m line portable shielded enclosures are made from the same proven modular RF shielding materials as full size Modular RF Shielded Enclosure systems and offer the same exceptional RF Shielding Effectiveness. The QuietBox-100m is the perfect portable tabletop and laboratory enclosure where larger interior volume or higher RF Shielding Effectiveness is required.
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RF Shielded Test Enclosure, Low Profile
JRE 2214
Like its other brothers in the JRE test line, it features rugged welded aluminum construction with superb RF shielding effectiveness. Long life door gasket material along with double edge engagement not only provides solid RF shielding, but smooth trouble-free operation over its lifespan. Tough 'honeycomb' vent maintains shielding effectiveness throughout the full frequency range. Optional fan is available for additional airflow.
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RF Shielded Test Enclosure, Low Profile
JRE 1618
Like its other brothers in the JRE test line, it features rugged welded aluminum construction with superb RF shielding effectiveness. Long life door gasket material along with double edge engagement not only provides solid RF shielding, but smooth trouble-free operation over its lifespan.
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Chassis
Infrastructure housing for instrument cards typically containing a power supply, cooling fans and emi shielding.
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Coaxial
Adapters for converting banana jacks or single-conductor test instruments to coaxial configuration for added shielding protection.
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SHC68-68, 68-Pin VHDCI Male to 68-Pin D-SUB Female, Twisted Pair, Basic Shielded Multifunction Cable, 2m
191945-02
68-Pin Male VHDCI to 68-Pin Female D-SUB, Twisted Pair Cable with Basic Shielding, 2m
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SHC68-68, 68-Pin VHDCI Male to 68-Pin D-SUB Female, Twisted Pair, Basic Shielded Multifunction Cable, 1m
191945-01
68-Pin Male VHDCI to 68-Pin Female D-SUB, Twisted Pair Cable with Basic Shielding, 1m
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Anechoic chambers
The anechoic chambers are built up as a modular construction. Due to individual modules any size of chamber can be manufactured. Big chambers may require an outer supporting structure or alternatively the shielding material can be attached direct to the building. The absorbers are fixed to rails bars or wooden base construction which is inserted into the shielding modules.
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RF Test Sets
ETS-Lindgren's MF-9F Series of RF Leak Detector/Attenuation Meter Kits are designed to simplify the performance evaluation of shielding enclosures.
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EMC Test & Measurement Solutions
MVG provides anechoic chambers and absorbing materials for antenna and EMC measurement and testing as well as RF and EMP shielding. Our SmartShieldTM modular shielding and precision cut and coated absorbers are designed with the flexibility to meet specific customer requirements. Our knowledge gained from over 30 years of experience ensures the high quality and durability of our products and the expertise from our team.
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RF Shielded Test Enclosure, for Laptop Testing
JRE 2218
Breeze through laptop RFI and wireless tests with the 'bigger than-a-breadbox' 2218! Like its other brothers in the JRE test line, it features rugged welded aluminum construction with superb RF shielding effectiveness. Long life door gasket material along with double edge engagement not only provides solid RF shielding, but smooth trouble-free operation over its lifespan.
