Environmental Noise
unwanted outdoor sound.
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Product
Low Noise Prepolarized Microphone
378A04
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The 378A04 is a matched system that is comprised of a high sensitivity microphone and a low noise preamplifier that contains a built-in filter that enables the free-field response to remain flat over a wide frequency range. The system requires a minimum of 4 mA and measures to 6.5 dBA (5.5 dBA typical) within a cost efficient, prepolarized (0V) design. PCB's model 378A04, the industry's first prepolarized low noise microphone and preamplifier system allows you to measure extremely low amplitudes. In the past this was only possible with externally polarized solutions. With a typical noise floor of 5.5dBA, this microphone system delivers all of the benefits commonly associated with prepolarized systems.
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Product
Phase Noise Analyzers
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Holzworth Instrumentation, Inc.
Holzworth's Real Time Phase Noise Analyzers are each designed to provide data faster than any other system, while maintaining data accuracy and repeatibilty. There is no guess work as to whether results are valid to the DUT or if there are unwanted variations or contributions coming from the measurement system itself.
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Product
Environmental Test Chambers
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Dongguan Kejian Instrument Co., Ltd.
UV accelerated weathering test chamber simulates damaging effects of long term outdoor exposure of sunlight, heat, moisture on materials and coatings. It exposes specimen to varying conditions of weathering- ultraviolet radiation, moisture and heat to test the performance and improve the quality.
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Product
Low Phase Noise Reference Source
96270A
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The 96270A RF Reference Source is the simplest, most accurate and cost-effective single instrument for calibrating spectrum analyzers and RF power sensors and more, up to 27 GHz.
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Product
Environmental Conditioning Units
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CSZ's environmental conditioning units are designed to create temperature and humidity controlled climates inside a digital printing press. This controlled environment was required to maintain consistent conditioning of printing press components in order to achieve high quality printed material.
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Product
Real-Time Monitoring Solutions – Flexible and Configurable Environmental Monitoring.
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Designed to help customers ensure compliance within regulated applications.
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Product
Noise Figure Analyzers
NFA Series
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Optimize for noise figure using the NFA Series of high performance noise figure analyzers, which are designed to make fast, accurate, repeatable measurements. Key features include the simple user interface, graphical display, data storage, selectable bandwidths and on screen limit lines for pass/fail testing. With the NFA Series reliable measurements up to 40 GHz are now available in a single instrument.
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Product
Low Noise Amplifiers for Radio Amateurs
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Our Low Noise Preamplifiers are remarkable for extremely low noise, excellent SWR, high efficiency and a high IP3. The Low Noise amplifiers are especially selective and absolute stable therefore oscillation is avoided. Even if you have a bad SWR. This is the reason why radio amateurs and club-stations all around the world trust in Kuhne electronic equipment. The products are perfect for use in contests, EME, MeteorScatter, Aurora and Tropo DX. Small mechanical measurements and technical innovations from the professional sector, e. g. milled aluminium cases, enable high temperature stability and tower mounting. Numerous contest victories, records and first contacts with a country were and are achieved with Kuhne products. Don't compromise and get technology from Kuhne electronic!
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Product
Other Environmental Test Chambers
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Guangdong Bell Experiment Equipment Co.,Ltd
DGBELL environmental test chambers manufacturers provide a wide range of environmental test chambers to meet various test requirements. Such as vacuum dry oven, salt spray test chambers, rain spray test chambers, sand and dust test chamber, etc.
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Product
Enlarge Environmental Chamber
REXMED REC-480
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MOD. REC-480, 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: -40˚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: -40˚C~100˚C within 45 min, Refrigeration system: Air cooled, single stage, Cooling compressor: Bristol hermetic compressor, Cooling capacity: 5,270 Watts, 18,000 BTU/hr, 4,545 Kcal/hr, Cool down transition time: 20˚C~-40˚C within 50 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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Product
SCB-100A Noise Rejecting, Shielded I/O Connector Block
785024-01
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100-Pin Female SCSI to 100-Pin Female Screw Terminal, DIN Rail, Wall, Pane Terminal. Block The SCB-100A is a shielded I/O connector block for interfacing I/O signals to NI data acquisition devices with 100-pin connectors. Combined with shielded cables, the SCB-100A provides rugged and protected signal connectivity. It has a mechanical enclosure that features a magnetic removable lid and pinout diagrams. It also includes pane, wall, and DIN Rail mount options.
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Product
dBAlert Personal Noise Warning Unit
GA907
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dBAlert! activates only when the noise exceeds a pre-set level, warning exposed workers that noise levels have become dangerous and to put on their ear-defenders.
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Product
Low Noise Current Preamplifier
SR570
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Stanford Research Systems, Inc.
The SR570 is a low-noise current preamplifier capable of current gains as large as 1 pA/V. High gain and bandwidth, low noise, and many convenient features make the SR570 ideal for a variety of photonic, low temperature and other measurements.
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Product
Ultra Low Noise Preamp
J2180A
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The J2180A low noise preamplifier provides a fixed, AC coupled 20dB gain while converting a 1 MOhm input impedance to a 50 Ohm output impedance. With a 3dB bandwidth of 0.1Hz to 100MHz, the preamplifier improves the sensitivity of oscilloscopes, network analyzers and spectrum analyzers while reducing the effective noise floor and spurious response. The preamplifier can also serve as a low frequency DC blocker for a spectrum analyzer or you can use it to connect a high input impedance oscilloscope probe to 50 Ohm equipment.
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Product
Low Noise Amplifiers
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Our range of ITAR Free, Low Noise Amplifiers (LNAs) cover a variety of applications but are primarily suited to airborne, maritime and ground based radar systems. LNAs are primarily intended to minimise added noise whilst providing high gain so design focusses on the parameters associated with the noise response of the amplifier. They are usually the first amplifier in the Radar detection chain and will have the lowest noise figure.
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Product
Environmental Control Units
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Our systems are there when you need them most. Often forgotten, our Chemical, Biological, Radiological, And Nuclear (CBRN) protection systems are essential in combat environments. This complex system functions as part of each vehicles life support system and is used in conjunction with vehicle HVAC systems or as a standalone system.
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Product
Noise Dosemeters
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Noise Dosemeters are a type of sound meter designed to measure the levels of noise exposure to an individual over a period of time. All of our dosemeters are compliant to IEC 61252: 1993 / BS EN 61262:1997 and offer high quality and reliable personal noise monitoring solutions.
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Product
Vibration / Shock / Noise & Thermal Control
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We specialise in vibration damping and shock isolation solutions for electronics and other light load applications.Our soft gel vibration damping materials are designed for isolating very light componets and extreme temperature environments.Most of our products are held in stock to support engineers with urgent vibration damping, noise control, shock isolation and cushioning impact problems.Our shock and vibration solutions are currently in use in aerospace, rail, truck, bus and handheld applications.
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Product
Environmental Rooms
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Darwin Chambers Company designs, manufactures, installs, and services custom chambers of all types and sizes, for a wide array of applications, including: GMP Shelf-Life Testing and Storage, Dry/Moist and Cold Storage for Seed and Agricultural Products, Nutritional Supplements, General Materials Testing, Mold and Fungal Incubation, Photography Storage, Concrete Curing, Roll-In Bottle Incubation Chambers and Compliant Vivariums (NIH, ALAAC, OLAW, USDA, etc.), more. We have pioneered a number of innovative, resource-saving technologies, from thermoelectric and liquid-circuited cooling systems to ultrasonic humidification.
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Product
Low Noise Pre-Amplifiers
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Low Noise Pre-Amplifier and companion external low noise amplifier (LNA) are used to amplify low level microwave signals. The Pre-Amplifier contains an AC/DC power supply, internal low noise amplifier, and a bias tee to source a DC bias voltage on the RF input connector.To overcome cable loss between the test antenna and the Pre-Amplifier assembly, a remote low noise amplifier (LNA) is mounted directly onto the 10 GHz antenna. A bias tee inside the Pre-Amplifier chassis powers the remote LNA through the coax cable interconnecting the pre-amplifier and the 10 GHz test antenna.
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Environmental Meters
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Precision Mastech Enterprises Co.
Versatile, often handheld, instruments used to measure, monitor, and analyze various atmospheric and environmental factors both indoors and outdoors.
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Product
Environmental Testers
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Environmental tests are used to verify a piece of equipment can withstand the rigors of harsh environments.
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Product
Low Acoustic Noise and Compact Range
m-series
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DC powered cooling fan is built-into the shaker. Natural air cooling is also used when the cooling fan is stopped for silent operation. (with a reduction in performance)
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Product
Walk-In/Drive-In Humidity Environmental Chamber
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Burnsco Environmental Test Chambers
These custom designed chambers are used for testing large products, vehicles, or batch testing. They offer temperature and humidity simulation capabilities for climatic testing and temperature/humidity cycling whenever there is a need to simulate wide temperature and humidity extremes. They can be made almost any length, width or height.
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Product
Low Noise Amplifiers
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RPG Low Noise Amplifiers are developed and manufactured using the most modern discrete components and thin film technologies, in order to cover the frequency range 50 to 350 GHz. With improved DC-supply and modern semiconductors these amplifiers not only deliver low noise performance but also broad operating bandwidth and gain flatness. These low-noise amplifiers are available as a standard product and on request as customized manufactured product.
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Product
Environmental Simulation Chambers
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GTEMCELL , currently provide environmental test chambers made by LIB.Our standard range of test chambers includes bench top and floor standing models, across temperatures ranging between -65℃ and +150℃ (from -80℃ to +200℃ for specific applications), and humidities between 10% and 98% RH.
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Product
Broadband Calibrated Noise Sources
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Fairview Microwave’s calibrated noise sources cover frequency bands from 10 KHz to 18 GHz. Their performance specifications include output ENR levels ranging from 15 dB to 30 dB and typical VSWR levels as low as 1.25:1. Depending on the model, calibrated frequency points are at 10 MHz, 100 MHz, 1000 MHz, 2000 MHz and 1 GHz steps. The temperature coefficient of these noise sources is < 0.01 dB/°C and noise output variation is < 0.1 dB/%V.
