Environmental Noise
unwanted outdoor sound.
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Product
Enlarge Environmental Chamber
REXMED REC-250
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MOD. REC-250, 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: 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: L60 X W80 X H85cm, Capacity: 408L, 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
Low Noise Amplifiers
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Chengdu KeyLink Microwave Technology Co., Ltd.
KeyLink's low noise amplifiers typically exhibit noise figures below 5.5dB and output 1dB compression points up 8dBm. These amplifiers are economical choices for general purpose applications. KeyLink's low noise amplifiers can be categorized as follows.
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Product
HF Low Noise Amplifier
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The COMM-connect HF Low Noise Amplifier can be used to amplify signals in the HF frequency range. The amplifier comes with a selection of 4 different connectors, which makes it very easy to adapt to any type of installation. Mechanical mounting is made easy by mounting flaps protruding the casing.
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Product
Environmental Testing
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Large Walk-in Environmental Chamber, and Walk-in Salt Fog Chamber, various sizes of vibration and shock equipment, and environmental chambers.
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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
SNS Series Noise Source 10 MHz to 18 GHz (ENR 6 dB)
N4000A
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The SNS series N4000A noise source is designed for accurately measuring devices with low noise figure, with a frequency range of 10 MHz to 18 GHz and nominal ENR 6 dB.
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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
Noise Legislation Assessment Kit - Sound Meter And Dosemeter
05NK006
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This system provides you with everything you need for noise risk assessments for noise legislation in one small package. A sound meter, dosemeter and calibrator kit featuring projected daily noise exposure from one short measurement and true peak for monitoring peak action levels.
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Product
Environmental Radiation Monitoring Systems
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With the autonomous radiation monitoring probe GammaTRACER, the gamma radiation dose is continually registered in the chosen time sequence. Energy-saving chip technology allows maintenance-free non-stop operation of the GammaTRACER probe of typically five years, with extended battery pack up to ten years! Hermetically sealed, it is designed to endure the harshest environments.
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Product
SNS Series Noise Source 10 MHz to 18 GHz (ENR 15 dB)
N4001A
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The SNS series N4001A noise source is ideal for general purpose use with a low reflection coefficent and a nominal ENR of 15 dB from 10 MHz to 18 GHz.
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Product
Web Based DIsplay Solution for Environmental Data
GeoView
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Aanderaa GeoView is a web based display solution for environmental data display.Aanderaa GeoView is part of the Aanderaa Real-Time Solution. This gives the user vast opportunities for interfacing meteorological, oceanographpic, or other environmental research equipment in a networked solution giving access to data real-time.
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Product
Noise Bridge, RF 1 MHz to 100 MHz
MFJ-202B
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Quickly adjust almost any antenna for maximum performance, 1 to 100 MHz. Lengthen or shorten your antenna for minimum SWR. Measure resonant frequency, feedpoint resistance and reactance. Works with any receiver or transceiver. Hand-calibrated resistance scale, expanded capacitance range and exclusive built-in range extender.
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Product
Environmental Monitoring Modules
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Unidata’s environmental monitoring modules are robust and easy to install, simple to use and require very little maintenance. Typical applications include temperature monitoring, solar radiation monitoring, wind speed and direction measurement, barometric pressure measurement, rainfall recording and many more.
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Product
Optical Noise Analyzer
A0040A
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Optical Noise Analyzer is the industry first solution for evaluation of optical frequency noise of lasers as power spectrum density.
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Product
Noise Source Family
347
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The R347B waveguide noise source cover the R-band (26.5 to 40 GHz frequency range), while the Q347B model cover the Q-band (33 to 50 GHz frequency range), allows you to make accurate noise figure measurements on millimeter-wave devices.
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Product
Impulse Noise Simulators
INS Series
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A simulator to reproduce fast rise-up noises which are generated when switching ON / OFF electric current on the inductive load. It can be used for performance evaluation of electronic equipment upon reproduction of line noises which are intruded to the power supply lines or induced noises onto the telecommunication lines.
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Product
Low Noise AC Amplifier
MA-164A
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LOW NOISE AC AMPLIFIERS. Battery powered, rechargeable. Low distortion. Upper and lower bandpass limit selection switcher. 10dB step gain switch
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Product
Phase Noise Measurement Up To 70 GHz
S930317B
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S930317B enables phase noise measurements using a PNA or PNA-X vector network analyzer. Simplify your measurement workflow by measuring phase noise on the same connection as your network analysis measurement of 2-port active devices up to 70 GHz, without needing to connect a spectrum analyzer or harmonic mixer.
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Product
Environmental Testing
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Among AMERICAN TESTING LABORATORY's environmental chambers is a walk-in stainless steel chamber, which is 40 feet long, 20 feet wide and 8 feet high. One of the largest environmental chambers owned by an independent testing organization in the nation, it allows for simulated environmental testing under conditions ranging from subzero to 200° F with a relative humidity of 5% to 100%, with a ±2% tolerance.
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Product
Noise Testing Software
GN-1100 Series
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This software has a comparator function for abnormality diagnosis based on sound/vibration analysis.You can perform simultaneously the tracking analysis and pass/fail judgment for 2 revolution input channels.It is ideal for vibration analysis of CVT and in-line 100% inspection such as carrier noise analysis of motors.
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Product
Phase Noise Tester 5MHz to 40GHz
Model 7340
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Berkeley Nucleonics Corporation
Broad Frequency Range in a single compact instrument from 5MHz to 40GHz. Measurement offsets from .01Hz to 100MHz. Absolute Phase Noise - High Drift mode (ability to measure modulations, high drifting or unstable DUTs, etc.). AM (Absolute Amplitude Noise) measurements. Pulsed Measurement Capabilities. Transient Mode: measure WB Frequency, NB Frequency, NB Phase, NB Power (WB/NB being Wide Band and Narrow Band). Dual channel low-noise integrated power supplies.
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Product
SparkFun Environmental Sensor Breakout
BME680 (Qwiic)
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The SparkFun BME680 Environmental Sensor is a breakout that combines a gas sensor with temperature, humidity and barometric pressure sensing for a complete environmental sensor in a single package. The gas sensor on the BME680 can detect a wide variety of volatile organic compounds (or VOC for short) to monitor indoor air quality. Combine that with precise temperature, humidity, and barometric pressure and the BME680 can work as a completely standalone environmental sensor all in a 1in. x 1in. breakout!
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Product
Millimeter-Wave Noise Source, R-band, 26.5 to 40 GHz
R347B
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The Keysight R347B noise source covers a 26.5 to 40 GHz frequency range. This waveguide noise source allows you to make accurate and convenient noise figure measurements on millimeter-wave devices. The R347B provides highly precise broadband noise at the input of the system or component under test. The noise figure meter then processes the ON/OFF ratio of noise power present in the system IF, and provides an accurate reading of noise figure and gain. The R347B noise source has remarkable ENR stability over time, which allows longer recalibration cycles and more accurate noise figure measurements.
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Product
Environmental And Analysis
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We make products and technologies for analysis in safety, life sciences and environmental markets. We operate in three principal markets.Spectroscopy and PhotonicsWe create world-class spectrometers and spectral imaging systems that are used to determine the nature of a target. Our products are used to both transport and characterise light.
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Product
Environmental Digital Multimeter, 4000 Count, Average, Auto Range, 3.75 Digit
72-9165
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Feature loaded DMM includes multiple environmental testing functions replacing 6 testers: light meter, sound level meter, hygrometer, thermometer, non-contact voltage detector, and multi-function multimeter.
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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
Noise Measurement Kits
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Our noise measurement kits contain all the accessories you need to take accurate noise measurement instruments correctly.
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Product
"Extremely Random" Precision Noise Generator
Model 3025
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The Model 3025, "Extremely Random"TM Precision Noise Generator supplies White and Pink Noise, and a 1 kHz reference signal. Crystal controlled - the pseudo random circuitry provides a 6.5 Day pseudo-random cycle time, assuring a "Extremely Random"TM noise source.
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