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OTA
signals transmitted without cables. AKA: Over The Air
See Also: Wireless, Over the Air, Antenna Measurement
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Frontends & Converter
FExx Series
R&S®FExx external frontends extend the frequency ranges of Rohde & Schwarz signal and spectrum analyzers and signal generators up to 170 GHz. The R&S®FExx enables the up and down-conversion of the signal directly at the DUT. In an OTA environment it lowers cable losses, increases sensitivity and delivers more power at the antenna.
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Heavy Duty Compression Tester for Gasoline Engines
34300
Use to test compression of gasoline engines on domestic and foreign cars and trucks plus motorcycles, snow mobiles and lawn mowers.Adapters provided for 10mm, 12mm, 14mm and 18mm applications.Flex hose eliminates need to remove auxiliary equipment such as power brakes and steering, air conditioning and manifold.Screw-in adapters provide better accuracy over push-in type testers.Quick disconnect for easy hook-ups.Quick side release valve permits retests without removal of adapters.
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Environmental Chamber
REXMED REC-200
MOD. REC-200, 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: 1.5KW X 2pcs, Humidity heater: 2.5KW 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: 1,892 Watts, 6,455 BTU/hr, 1,630 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: L50 X W60 X H75cm, Capacity: 225L, 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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5G Radio Test Set
Operating from 20 to 40 GHz, two radios may be connected to the system allowing full duplex operation. Each radio may operates over identical Air Interface with uni or bi-directional multipath. The delays between radios may be varied from 0 to 1 mile in 5 foot steps with propagation loss control. The 2040+ creates a variable test range right in your lab. It can be used as a design aid and as a test tool for new modulation and encryption schemes prior to expensive and time consuming field testing.
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External Frontend
FE50DTR
The R&S®FE50DTR external frontend can extend the frequency range up to 50 GHz for Rohde&Schwarz signal and spectrum analyzers as well as signal generators. The R&S®FE50DTR enables signal up and downconversion directly at the device under test (DUT), lowering cable losses, increasing sensitivity and delivering more power at the antenna in an OTA environment. With a dual connector system, testing of active components is an easy task.
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TPMS - Tire Pressure Monitoring System Sensors
The new Bosch Universal Sensors for Tire Pressure Monitoring Systems (TPMS) measure the air pressure of the vehicle’s tires in real time and transmit it directly to the control unit by radio. Universal, compact and easily programmable, Bosch QUICK FIT sensors offer a vehicle coverage of over 90% with just two part numbers.
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5G | OTA | Bluetooth | PTCRB Testing Services
Eurofins E&E Wireless Device Over-the-Air (OTA), 5G Performance, Bluetooth, PTCRB, and Global Certification Forum Testing.
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Rack-Mountable CATR Chamber for 5G NR mmWave Signals
ATS800R
The R&S®ATS800R CATR based 5G NR mmWave test chamber provides a very compact over the air (OTA) testing environment for testing 5G FR2 antennas, modules and devices in R&D. The R&S®ATS800R has a very small footprint and wide frequency range, and offers maximum functionality and test coverage in a small space. The flexible setup options and range of extensions make the R&S®ATS800R a solid and future-proof environment for your FR2 testing needs.
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Vivarium Rooms
Darwin Chambers Company ALAAC, OLAW, USDA, and NIH-compliant Vivarium Rooms are designed for maximum value, sustainability, and conformance with applicable standards. We have over a decade of experience in working with researchers to provide humane and often precise conditions to meet their unique and specific needs. Vivariums are commonly defined as a place, such as a in laboratory, where live animals and/or plants are kept under conditions simulating a natural environment. Often, these contain both plants and animals, within a micro-ecosystem, often with controlled stability or controlled change of environmental variables. We offer various surface finishes, including all stainless steel, which are easy to maintain and may be sterilized to cleanroom standards. Compartmentalized enlosures are offered, which are modular and reconfigurable. Our rooms will accommodate plants as needed (we also provide plant growth chambers), and we offer control of humidification in conformance with current ALAAC mandates, sufficient air exchanges, available HEPA filtration of intake and/or exhaust air, standard screened equipment hous- ings, and other such considerations.
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Wireless Transmission
Wireless transmission is a form of unguided media. Wireless communication involves no physical link established between two or more devices, communicating wirelessly. Wireless signals are spread over in the air and are received and interpreted by appropriate antennas.
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Humidity Chambers
FW Series
The Bemco FW Series of mechanically cooled Glass Door Humidity Chambers have a 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.. These chambers feature direct dry air injection and direct humidity sensors. They operate without dewpoint limit from 5% RH to 95% RH over the range of 30 C to 85 C and even allow operation at 20% RH at 5 C and 50% RH at -14 C!
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Wireless Devices
Schweitzer Engineering Laboratories, Inc.
Wireless devices use radio signals to communicate and pass data over the air, eliminating the need for traditional cabling.
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Battery Data Logging Device
FST-AM
Foresight Electronics Co., Ltd.
A data logger, is an electronic instrument that records measurements at set intervals over a period of time. Depending on the particular data logger, measurements can include: air temperature, relative humidity, AC/DC current and voltage, differential pressure, time-of-use (lights, motors, etc.), light intensity, water temperature, water level, dissolved oxygen, soil moisture, rainfall, wind speed and direction, leaf wetness, pulse signals, room occupancy, plug load, and many more.
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SmartCab OTA
SmartCab Over-the-Air (OTA) enables “Over the Air” delivery of software and configuration file updates for the locomotive control system and onboard devices, improving delivery productivity and efficiency.
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Rack based antenna test system
R&S®ATS800R CATR
Very compact far-field over-the-air (OTA) test system based on compact antenna test range (CATR) technologyUnrivaled quiet zone size within 0.8 m2 footprintState-of-the-art reflector ensuring a high quiet zone accuracyUnique rack based CATR system supporting over 50 GHzIndirect far-field method (approved by 3GPP for 5G OTA testing)
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Semiconductor Package Wind Tunnel
WT-100
Thermal Engineering Associates, Inc.
The WT-100 Forced Convection (Moving Air) Wind Tunnel is designed in accordance with the EIA/JEDEC JESD51-6 standard for thermal characterization of semiconductor packages and devices. The vertical design minimizes laboratory floor space requiements. Air is drawn in at the bottom and exhausts at the top. The test section is large enough to accommodate the largest JEDEC and SEMI thermal test boards. Air velocity can be adjusted over the range of 0.5 to 5 m/s; air velocity is monitored with an included hot-wire anemometer connected to a digital display. A Type-T thermocouple is mounted in the test section for monitoring the moving air temperature.
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Portable Analyzers
The key to the operation of Alpha Moisture Systems' Portable Analysers is the unique Desiccant Dry-Down Chamber. By keeping the sensor dry between tests, the special assembly of the head ensures that the instrument is always ready for immediate use. The head assembly consists of two chambers which have a telescopic action. When the head assembly is in the 'closed' or 'Dry-Down' position, the sensor is completely surrounded by desiccant, which absorbs the remaining water moisture from the sensor and hence it is dry and ready for use. The small space at the bottom of the test chamber enables the sample pipe to be purged before the test commences without wetting the sensor. By placing a finger over the outlet of the head, the sample pressure is able to open the test chamber automatically, exposing the sensor to the gas being tested and enabling accurate reading of moisture content in the sample gas. After each test the head assembly is closed by depressing the inner section so that the sensor will again be dried by the desiccant, leaving the sensor ready for use time and time again. The desiccant is kept in the inner chamber and is not exposed to ambient room air or the sample gas, therefore there is no need for frequent regeneration or replacement of the desiccant.
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Universal Compression Tester for Gasoline Engines
34000
Test compression on all domestic and foreign cars and most trucks. Adapters fit vehicles with 14mm and 18mm plugs including long reach and 5/8" hex plugs. Flex hose eliminates need to remove auxiliary equipment such as power brakes and steering, air conditioning and manifold. Screw in adapters guarantee accuracy over push-in type testers. Quick side release valve permits retest without removal of adapters. Gage ranges 0-300 PSI and 0-21 BAR. Supplied in storage pouch.
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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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*High Current Switches
B-1002
Ross High Current Switches are available up to 36,000 amps continuous and over 1,700,000 amps 20µsec RC pulse, with voltage ratings of 6 volts to 400kV peak test. Standard Ross high current switches are built with 80 to 120psi air cylinder actuators. Air cylinder or motor operated for high contact force. Arcing contacts optional for closing current. G-10 epoxy glass laminate is standard insulation on most models. G-7 silicone glass is used on models available for RF applications above 100kHz. Most Ross high current switches are available with additional lengths of insulation, where the high voltage contacts need to be spaced at a greater distance from the actuator and control circuit. Voltage withstand value is at least doubled and the interrupt capability is much greater when high current switches are immersed in insulating oil, fluid or SF6 gas. For gas atmosphere, no modifications are necessary; however, oil or fluid immersion requires modification at a slight extra cost.
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FastBrake®
FastBrake® Electronic Air Brake is a microprocessor based, electro-pneumatic braking system. Designed for superior reliability, the system includes tightly integrated electronics and pneumatics, redundant electronics, dual channel power supply, and reduced part count. With over 4,100 systems installed globally, FastBrake® is service-proven and backed by Wabtec's global service and support network.
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Glass Door Humidity Chambers
FW30
The Bemco FW30, mechanically cooled, Glass Door Humidity Chamber has a temperature range of -18 C to +94 C (0 F to 200 F) and a humidity range of up to 5% RH to 95% RH. This chamber features dry air injection and a direct humidity sensor. It operates without dewpoint limit from 5% RH to 95% RH over the range of 30 C to 85 C and even allows operation at 20% RH at 5 C and 50% RH at -14 C!
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Compact Anechoic Chambers
If you have mmmwave or THz antenna phased-array that require Over the Air measurements, MilliBox has the equipment and tools that you need. With the help of MilliBox compact anechoic chamber system, you can plot radiation pattern , collect data from those plots, and assess your antenna performance easily and precisely.
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Strength Testing
Sataton Instruments Technology CO., Ltd
Air permeability tester is professional designed to determine the permeability of materials to air. By testing the rate of flow of air passing perpendicularly through a given area of tested sample under a given pressure over a given time period, the tester can provide results of air permeability performance by calculation the indices. The air permeability testing instrument is applicable to many type of materials, including industrial fabrics, nonwovens, made-up textiles, paper and board, foam and other materials.
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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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High Current Switches
B-1002
Ross High Current Switches are available up to 36,000 amps continuous and over 1,700,000 amps 20µsec RC pulse, with voltage ratings of 6 volts to 400kV peak test. Standard Ross high current switches are built with 80 to 120psi air cylinder actuators. Air cylinder or motor operated for high contact force. Arcing contacts optional for closing current. G-10 epoxy glass laminate is standard insulation on most models. G-7 silicone glass is used on models available for RF applications above 100kHz. Most Ross high current switches are available with additional lengths of insulation, where the high voltage contacts need to be spaced at a greater distance from the actuator and control circuit. Voltage withstand value is at least doubled and the interrupt capability is much greater when high current switches are immersed in insulating oil, fluid or SF6 gas. For gas atmosphere, no modifications are necessary; however, oil or fluid immersion requires modification at a slight extra cost.
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Condensate Pumps
Sauermann has been manufacturing condensate removal pumps for over 40 years. Our pumps are designed to detect and remove condensates from heating, ventilation, air conditioning and refrigeration (HVACR) systems.
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Medium-size Compact Antenna Test Range
H-Series CATR
The H-Series CATR chamber provide complete 3D performance assessment for 5G OTA devices and antennas including gain, efficiency, directivity, polarization and beam characteristics for frequencies from 3 up to 110 GHz, capable of supporting forthcoming 5G Sub-6 GHz (from 3 to 6 GHz) and mmWave (24 to 110 GHz) standardized testing including TRP/TIS, EIRP, EIS, IBB and emissions in accordance to 3GPP TR38.810 and TR37.842.
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Broadband Amplifiers
Blonder Tongue Laboratories, Inc.
Blonder Tongue offers a variety of RF amplifiers for broadband CATV or OTA (over-the-air) applications. Be it a 1GHz power doubling two-way indoor distribution amplifier or a mast-mounted preamplifier, or anything in between, we have you covered.
