Reverberation Chambers
environment for EMC testing. Also known as: Reverb Chambers
See Also: Anechoic Chambers, EMC Test, Chambers, Anechoic Rooms, Reverb Chambers, Sound Chambers
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Reverberation Chambers
Reverberant Test Chambers for sound power level determination and building acoustics measurements
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Reverberation Chambers
Over the past several decades, RCs have been enjoying growing popularity as a promising facility for the characterization of wireless devices and for EMC testing. The RC (Reverberation Chamber) measurement method exhibits much competitive superiority over the AC (Anechoic Chamber) method and TEM Cell method, such as low cost, enhanced test repeatability, a more realistic test environment, and easily achieved high-field environment. The application of the RC for performing EMC testing was first proposed by H. A. Mendes in 1968. In the recent IEC 61000-4-21 standard, the importance of EMC testing using RCs as an alternative measurement technique has been recognized.
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Medium-size Reverberation Chamber
E-Series
The E medium-size multicavity Reverberation Chamber Series represents that state-of-the-art in reverberation chamber technology. The E-Series can make single measurements, batch tests, protocols or campaign tests for different frequency bands, different technologies and different channel models, running overnight without human intervention. Embedded frequency-, mode-, source- and platform-stirring in a double-shielded set of cavities allow Passive MIMO (Efficiency, Correlation, Diversity Gain, MIMO Capacity and others), Active MIMO OTA (TRP, TIS, TPUT, MTS, CQI, M2TxDT, RSRP, MCL and others) and Time-Domain MIMO (DL/UL TCP/UDP TPUT, RMS DS, STD, PL, CBW, Mute%, eNodeB, VDT-OTA) measurements up to 8x8 and 8DLCC to be performed for antennas and devices up to 50cm and 50kg ranging from 2G to 4G, covering all available cellular and wireless technologies to date, including wearables devices, sound acoustic mute, WLAN and W-IoT testing. There is no RC in the market more advanced than the E-Series.
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Acoustic Control System
m+p VibControl performs acoustic testing in reverberation chambers and direct field environments as well as progressive wave tube testing. It is a fully automatic digital control system, providing fast, accurate and repeatable control of high-level noise to a reference octave band spectrum and the overall sound pressure level (OASPL). The control guarantees a high level of product safety.
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Acoustic Control
Acoustic Control provides accurate control for high-level noise testing of reverberant chambers or progressive wave tubes. Based on the Spider hardware platform, Acoustic Control achieves quick and reliable control of the noise level to the reference octave spectrum and the overall sound pressure level (OASPL). Included safety features guarantee the safety of the unit under test.
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Reverberation Tent
This product is a chamber made of metal flexible fabric tent assembled as a cavity that provides a periodic electro-magnetic environment randomly polarized, spatially uniform, and isotropic.
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Large-size Hybrid Reverberation / Anechoic Chamber
F-Series
The F large-size hybrid Reverberation/Anechoic Chamber represents the most versatile OTA test system in the market today. With the same unique test features of their E Series RC counterparts, the F-Series can also test large form-factor devices under test (DUTs) like laptops, large TV sets, solar and trash compactors, drones, fridges or washing and vending machines, among others. With up to 16x16, 8DLCC and DUTs up to 2m and 500 kg including full-body phantoms in a turntable, the F Series also expands the frequency range down to cover 200 MHz up to 40 GHz frequency ranges and the test modes to include EMC, BS, small cell, eNodeB and Virtual Drive Testing over the air (VDT-OTA). In an again unheard-of feature, the F-Series is also reverse-convertible into an Anechoic chamber, allowing Far Field (FF) and Spherical Near Field (SNF) radiation patterns, efficiency and gain measurements and pre-5G testing of antennas and devices. Conversion from RC to AC or vice versa can be performed within half a day.
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Chambers
rf cham·ber ex·per·tise 1. the expert skill and know-how gained from designing and installing more than 10,000 rf chambers and enclosures worldwide 2. having the knowledge to answer questions others haven't thought to ask
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Stability Chambers
PH Series
The Darwin Chambers PH Series Stability Chambers are designed for performance specifications exceeding FDA and ICH requirements. For GMP studies, ultrasonic humidification provides excellent humidity control and avoids hot spots during mapping. Thermoelectric cooling provides more stable temperature control than equivalent refrigeration systems. All PH series chambers incorporate inherent cooling redundancy, quiet operation, simple serviceability and excellent reliability.
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Temperature Chambers
Shanghai Morningtest Environmental Chambers Co.,Ltd.
Temperature chambers are suitable for a broad range of applications from high low temperature testing, and oven for ultra-high temperature, to heat treatment or drying for production lines.
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Althletic Chamber
Sanwood Environmental Chambers Co ., Ltd.
The Athletic Environmental Chamber is specifically design for athletic training which request the CO2 , O2 control inside the environmental chamber. It is suitable for sports and science investigation.
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Test Chambers
Drug test chamber, ozone test chamber, plant grown chamber, salt spray test chamber, sand test chamber, temperature and humidity test chamber, UV test chamber, xenon test chamber
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Environmental Chamber
REXMED REC-280
MOD. REC-280, AC 230/380/415V, 1/3 phase, Environmental chamber, HS CODE: 841989, UNCCS CODE: 484384, UMDNS CODE: 16327, Main construction: SS304, Interior: SS304, Exterior: SS304 powder coated, Insulation: Rigid polyurethane foam and glass wool, Controller: Fix point PID controller, temperature ˚C/PV and ˚C/SV, humidity %/PV and %/SV display and setting, Temperature range: -20˚C~100˚C, Humidity range: 20%RH~98%RH, Constancy: ±0.3˚C ±2.5%RH, Uniformity: ±1˚C ±3%RH, Temperature and humidity sensor: PT 100Ω, Temperature and humidity audio and visual warning and OFFS correction setting, Temperature heater: 2.3KW X 2pcs, Humidity heater: 4.5KW X 1pc, Heat up transition time: -20˚C~100˚C within 35 min, Refrigeration system: Air cooled, single stage, Cooling compressor: Bristol hermetic compressor, Cooling capacity: 3,140 Watts, 10,700 BTU/hr, 2,702 Kcal/hr, Cool down transition time: 20˚C~-20˚C within 45 min, Safety devices: No fuse breaker, refrigerator over load relay, refrigeration high pressure switch, over temperature protector, protection relay, protection fuse, water level control and overheat protector, Chamber: L100 X W80 X H100cm, Capacity: 800L, chamber with key lock, with lamp (DC 12V 50W) X 1pcs and double glass viewing window, testing cable port with cover: Ø25mm, 4 castors, W/S: shelf X 2pcs, standard testing wet cloth X 5pcs, PCV water container X 1pc
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BenchTop Chambers
Nano Series
The Nano series of bench top chambers are designed for testing relatively smaller sizes of specimen. With a small foot print, this chamber is capable of performing low, high temperature and humidity tests.
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Shielded Chambers
GTEMCELL Ltda shielded chambers are built up as a modular construction. Due to individual modules any size of chamber can be realized. Big chambers may require an outer supporting structure or alternatively the shielding material can be attached direct to the building.
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Ultra-cold Chambers
Despite its compact size, the MC series can achieve low temperatures of -75 or -85°C the lowest range of its class. On the high end 100 or 180°C can be reached, depending on the specific model. The interior size of the MC series is 2.2 cubic foot, same as model SU-662 and slightly larger than BTZ-133 & BTZ-175.
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Dust Chamber
DUST
Designed specifically to meet the SAE J 575 and GM 9103 P test standards. Used throughout industries to evaluate a component's ability to function in a dust filled atmosphere.
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Altitude Chambers
Our Altitude Chambers combine temperature and altitude with optional humidity to test basic components or subassemblies designed for use in a variety of industries. With a CSZ altitude chambers, you can control the temperature environment for testing while simulating various altitudes from site level to 65,000 feet (42 Torr). Altitude testing may be continued without temperature control up to 200,000 feet (.169 Torr). This same chamber may also be used as a temperature/humidity cycling chamber at site level only.
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Environmental Chamber
Qualitest Environmental Chambers are capable of simulating a wide range of temperature, humidity, and other environmental conditions. These environmental chambers are well-suited for use in electronic, military, and pharmaceutical quality assurance and reliability testing, as well as research testing and production processes.
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Environmental Chambers
3119-600 Series
The Instron environmental chambers are precision thermal enclosures designed to integrate with static or dynamic test systems, enabling evaluation of material behavior under controlled non-ambient conditions. They circulate hot or cold air over specimens and grips using forced-convection to maintain stable temperatures. These chambers are available in a variety of standard sizes (or can be customized), and are compatible with extensometers, grips, and fixtures to provide a turnkey solution for temperature-dependent testing from subzero to elevated conditions.
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Test Chambers
The focus of the Feutron climate simulation overall concept is on the simplest operation of the overall functions of the test systems and the highest reliability with maximum efficiency. This is why our systems are supplied as plug-in compact devices.
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Test Chambers
The left-hand axis scales the level of the 100 measurements and the right-hand axis displays the uncertainty to a statistical confidence level of 95%; proving the repeatability is better than +/-0.25dB between the measured values. Guaranteeing repeatability, accuracy and correlation across Lab’s, across Production lines and across the World
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Stability Chambers
ZoneOne Series
The ZoneOne temperature/humidity chamber provides outstanding stability testing performance for manufacturers of pharmaceuticals, biologics, food, and personal care products. This chamber is easy to use, durable, and comes with the full range of features needed to support a wide range of stability test requirements.
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Solar Panel Chamber
Specifically designed for the solar industry, these climatic chambers feature specifically designed fixtures to properly measure almost any component related to solar panels including the actual panels, grid-tied photovoltaic inverters, or photovoltaic cells and modules.
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Humidity Chamber
HCP
Does your application temperature lie between 8 C above room temperature and 90C, with controllable humidity? Then the Memmert humidity chamber HCP is unbeatable in price, performance and comfort. The almost unlimited programming possibilities of temperature profiles make ideal environmental conditions for the load possible.
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Zero Gauss Chamber, Zero Field Chamber
ZG-2
The WUNTRONIC Zero-Gauss-Chamber insolate the environment magnet fields. The Zero field camber is very usefull for zero adjustments of Teslameters / Gauss meters.
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Battery Test Chambers
At Weiss Technik we supply battery test chambers specific to testing batteries in a variety of conditions including low or high temperatures, humidity changes, vibration changes, and altitude changes. Our battery test chambers are designed to test Lithium Ion batteries, lead acid, Battery Managements Systems (BMS), battery packs, modules, battery cells, and more.
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Chambers
Our EMC anechoic chamber solutions paired with the Frankosorb® unique non-combustible absorber technology, we are the first choice when it comes to reliable and state-of-the-art test facilities. Our solutions are adapted to every kind of vehicle and its different power train units, incl. hydrogen, gasoline, petrol, from small-sized passenger cars up to large and heavy-weight transport vehicles.
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Compact Humidity Chambers
FW1.5
The Bemco FW1.5, mechanically cooled Compact Humidity Chamber, has a temperature range of -28 C to +177 C (-20 F to 350 F) or -73 C to +177 C (-100 F to 350 F) and a humidity range of up to 5% RH to 95% RH. This chamber features direct dry air injection and a direct humidity sensor.
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Temperature/Altitude Chambers
AF Series
AF Series chambers include a 304 Series stainless steel welded inner pressure liner with high temperature fiberglass insulation. No asbestos is used in chamber construction. The chamber liner is reinforced in accordance with Section VIII (Unfired Pressure Vessels) of the ASME Code.
