Environmental Noise
unwanted outdoor sound.
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Product
Environmental Instrumentation
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A comprehensive selection of Environmental Instrumentation including hand held thermometers, Infrared thermometers, light meters and data loggers
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Product
Environmental Stress Screening (ESS) Chamber
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Guangdong Test EQ Equipment co., Ltd.
- Integral structure, the inner wall special process rolling molding, the whole using TIG seamless welding, beautiful appearance; Door lock device adopts lever power opening mechanism.- The use of Chinese+English color LCD touch man-machine interface + high-performance programmable controller (PLC), with TESTEQ test box special software, with automatic, intelligent, human control and other characteristics.- Control mode: constant operation mode, program operation mode.- Patented "Cold and heat balance technology”, low temperature constant temperature season can be more than 30%.- Refrigeration compressor and key accessories are selected international and domestic well-known brands, long-term and reliable operation; Environmentally friendly refrigerant, in line with the requirements of international environmental protection conventions.- Configure RJ45 communication interface, remote control system (open data transmission protocol support Modbus/OPC).- Surface electrostatic powder spraying; Box color "TESTEQ White ", controller panel color "TESTEQ Blue ".- TESTEQ patent cold well adsorption anti-condensation function (optional).
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Product
Noise Figure Analyzers & Noise Sources
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Keysight Technologies provide a range of noise figure measurements solutions to meet your needs, from the NFA series noise figure analyzers to the noise figure measurement personalities for our spectrum analyzers. We also have a range of noise sources to complete the measurement solution.
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Product
Phase Noise Test System
PN9000 System
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Noise eXtended Technologies S.A.S.
The PN9000 is a simple and fast Automatic Phase Noise Test System covering a very wide frequency range. Its modular architecture allows optimum configuration, multiple measurement techniques and future growth in a NIST tested instrument.
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Environmental Testing Equipment
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It is to do adaptability and properties test for materials under different environment conditions, which includes salt spray test to determine corrosion resistance and temperature and humidity chamber to do a variety of high-low temperature alternating test.
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Product
Forward Path NPRT 2200 Noise Power Ratio Test Set
NPRT 2200-F
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The NPRT 2200 measures the NPR of a device across a range of power levels. This test quantifies intermodulation distortion and determines the dynamic range of optical transmitters, amplifiers and other active HFC network devices. The included PC software uses predefined test setups to run a "Power Sweep" series of NPR measurements and graph the results.
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Product
Ultra Low Noise Disciplined Frequency 4220a Standard with Rubidium and OCXO Clean-Up Oscillator
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Precise Time and Frequency, Inc.
The ptf 4220A is an Ultra Low Noise Disciplined Frequency Standard with rubidium and OCXO clean-up oscillator.The instrument contains a high performance rubidium module, with an extended life design, and very low aging rate, with high quality OCXO o/p for low phase noise.
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Product
Noise Source Family
346 Series
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This series of broadband noise sources has been designed to cover the majority of measurement applications with a range of frequencies, Excess Noise Ratio (ENR) and coaxial connector types.
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Walk-In & Drive-In Environmental Test Chambers
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Weiss Technik Walk-In Drive-In environmental test chambers are available in many sizes and configurations for both pre-engineered and custom solutions. Ideal for testing large products, batches of products or for full vehicle testing with Panelized or Welded walk-in environmental chamber solutions.
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Product
Low Noise Dual Band VCO
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This custom oscillator subassembly consists of two low noise oscillators covering 1.5 to 2.5 GHz, a power combiner, a standard Teledyne RF & Microwave amplifier, and a lowpass microstrip filter. Teledyne RF & Microwave designed both oscillators for low phase noise and linear tuning. The output frequency bands are switched using standard TTL control.
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Environmental Testing
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Underwriters Laboratories Inc.
We’ll work with you to effectively mitigate immediate sustainability challenges as well as providing you with the insights, services and tools you need to meet tomorrow’s challenges.
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Environmental Testing
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Independent Testing Laboratories
Carefully conceived environmental testing can expose hidden product flaws, allowing you to make critical changes before releasing your product to market.
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Product
Noise Figure Analysis Using NI PXI RF Test Instruments
NI-RFmx Noise Figure
Test Instrument
Measure noise figure, gain, Y-factor, effective temperatures, hot and cold power, and moreOptimized calibration and measurement routines for multi-DUT test using Y-factor and cold sourceSupports the PXIe-5668R 26.5 GHz VSA, the PXIe-5698 26.5 GHz preamplifier, and VSTsDesigned for use with industry-standard noise sources such as the Noisecom NC346 Series
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Product
Small Device Noise Emission Test System
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The Small Device Noise Emission Test System from VIacoustics is a turnkey solution for the measurement of noise emissions of small devices typically used in computers, consumer electronics, appliances and automobiles. The system includes all hardware and software necessary (see the components tab) for the determinations of sound power levels (1/3 octave band and A-weighted), emission sound pressure levels (normalized 1/3 OB, A-weighted and high resolution FFT) and *ISO 532B loudness. The system is designed to be operated by a technician for production level testing or to be used by an engineer in the product development process.
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Product
8 Slot, 3U, PXI Chassis - Low Noise Fan
40-908-201
Chassis
This PXI chassis includes all the features and performance required by version 2.1 of the PXI standard and supports a control interface or embedded controller and up to seven more 3U peripheral modules. Mechanical expansion space on the right hand side allows the chassis to accept multi-slot modules, such as the BRIC, while only occupying one electrical slot.
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Product
Altitude Environmental Test Chamber
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Guangdong Bell Experiment Equipment Co.,Ltd
DGBELL’s Combined Temperature and Altitude Test chambers are available to control the temperature when doing altitude test, to test the components or parts that use in various industries, especially the aircraft avionics. Combined temperature and altitude environmental chamber cost is at factory price.
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Product
Two Channel Phase and Amplitude Noise Analyzer
DCNTS -190
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The DCNTS is a two channel Phase and Amplitude noise analyzer. Its dual demodulator architecture allows the system to use cross-correlation to cancel its internal noise and limitation; it is like comparing the outputs of 2 systems and only display the similarities while rejecting differences. Its main extension is the Residual Noise measurement front-end which includes all necessary hardware to automatically measure residual noise on 2-ports devices either in RF frequencies or microwave. It could be a frequency multiplier or divider, an amplifier or any other phase coherent input to output device.
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Noise Sources
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The Keysight 346, 347 and SNS Series of noise sources work in conjunction with the NFA Series noise-figure analyzers to make noise-figure measurements from 10 MHz to 50 GHz.
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Product
Multimeter 5 in 1 Environmental Multimeter with Lux Sound Level Humidity Temperature
VA19
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Shanghai Yi Hua V&A Instrument Co., Ltd. CO.,LTD
VA19 5 IN 1 multifunction multimeter This multimeter combined with temperature, humdity, lux and sound lever in one meter.
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Product
Environmental Chamber
REXMED REC-400
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MOD. REC-400, 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: 1.5KW X 2pcs, Humidity heater: 2.5KW 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: 3,506 Watts, 11,962 BTU/hr, 3,020 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: 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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Product
Power Sensor and SNS Noise Source Cable (6.1m/20 feet)
11730C
Power Sensor
The Keysight 11730 series power sensor cables are used with the 8480 and E-series power sensors (except the E9320 family of peak and average sensors). These cables are designed to reduce RFI effects on low power readings with an improved shielding design in the cable itself. Cables may be ordered individually or in pairs in any combination desired for single and dual-channel measurements.
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Product
Ultra-low Noise Phase Inverter - Buffer
WMA-IB-LN
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The WMA-IB-LN can be used to double the output voltage of two high voltage amplifiers by driving them in bridge mode, or as high impedance input buffer while maintaining precision and ultra-low noise. The WMA-IB-LN model has been designed specifically for the Falco Systems WMA-200 high voltage amplifier. Two WMA-200 amplifiers combined with one WMA-IB-LN provide unprecedented noise performance and output voltage range.
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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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Double-deck High and Low Temperature Environmental Test Chamber
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Guangdong Bell Experiment Equipment Co.,Ltd
DGBell’s Double-deck High and Low Temperature chamber was designed to test battery cell combined with charge and discharge equipment, and also available to thermal test for small products and components.
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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
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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Environmental Testing
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Educated Design & Development, Inc.
Incredible size / features at a phenomenal price! A must have when a larger chamber is needed. Easy to use, microprocessor based digital controls. Standard models are heat/humidity Humidity range of 10-96%, temperature range of 35°-70° C, Refrigeration can be added for cold testing to -10°. Chamber inside dimensions are 34x28.5x60 in. (87x73x153 cm), many options are available including chart recorder, RS232, programmable ramp/soak, viewing window and CO2 system.
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Benchtop Environmental Test Chambers
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Benchtop Test Chambers provide superior performance over a wide range of applications. Ideal for testing smaller products such as computer components, these chambers combine superior performance with compact design that is perfect for research and development or personal point-of-use testing.
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Product
Carrier to Noise Generators
CNG-DX
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Hollis Electronics Company LLC
CNG-DX provides improved noise generation with its internal digital power meter and built-in noise generator. This single instrument provides accurate and repetitive carrier-to-noise setting ability in one box. The CNG-DX is an ideal instrument for creating realistic scenarios for closed loop testing of satellites, ground equipment and mobile transceivers.





























