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Standards and Technical Documents - Acoustic Noise Measurement Procedure for Diagnostic Magnetic Resonance Imaging (MRI) Devices -- NEMA MS 4-2010
Description: Provides methods for determining the acoustic noise level of an MRI system.
Supplier: Netcom, Inc.
Description: Test and measurement applications, high frequency, low noise
- Oscillator Type: VCXO
- Package / Form Factor: Surface Mount Technology (SMT)
- Supply Voltage: 12.0 V
- Output Type: Sine Wave
Supplier: Applied Image Inc.
Description: This target’s dimensions are 7” x 10” x 1/8” (17.8 x 25.4 x 0.32 cm). It is a companion to the object-level target. It is designed to allow scanner performance measurements over a larger field of view. In addition to enabling the same ISO metrics as the object-level target
Noise Generators and Sources - Millimeter-Wave Noise Source, R-Band, 26.5 to 40 GHz -- Agilent R347BSupplier: Hensley Technologies, Inc.
Description: The Agilent 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
Vibration Measurement Instruments and Vibration Analyzers - Portable Field Balancers and Vibration Testing DevicesSupplier: American Hofmann Corporation
Description: Vibration can cause several types of problems with your machinery, such as: Endanger the operational safety of roller bearings Substantially shorten the life expectancy of roller bearings Generate very high noise levels Reduce work quality Hofmann offers two portable test devices that enable
Standards and Technical Documents - C63.4-2009 - American National Standard for Methods of Measurement of Radio-Noise Emissions from Low-Voltage Electrical and Electronic Equipment in the Range of 9 kHz to 40 GHz -- 10.1109/IEEESTD.2009.5246989
Description: Abstract U.S. consensus standard methods, instrumentation, and facilities for measurement of radio-frequency (RF) signals and noise emitted from electrical and electronic devices in the frequency range 9 kHz to 40 GHz are specified. This standard does not include generic nor product-specific
Supplier: Frequency Devices, Inc.
Description: Telephone message and circuit noise measurement, C-message response
- Differential Channels: Yes
- Voltage Output: Yes
- Current Output: Yes
- Filter Technology: Analog (RC)
Supplier: Digi-Key Corporation
Description: MIC MEMS DIGITAL OMNI -26DB
- Type: Audio, Measurement
- Directivity: Omnidirectional
- Features: RoHS Compliant
Standards and Technical Documents - Acoustics -- Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices -- Part 2: Structure-borne vibration measurements -- ISO 10302-2:2011
Description: ISO 10302-2:2011 covers vibration levels from small air moving devices (AMDs) with mounting footprints of less than 0,48 m × 0,90 m for the full-size test plenum defined in ISO 10302‑1 and less than 0,18 m × 0,3 m for the half-size plenum. It covers all types of AMDs which can
Supplier: ValueTronics International, Inc.
Description: The HP Agilent 11909A amplifier improves receiver and spectrum analyzer sensitivity. It is ideally suited for use with the Agilent 11940A and Agilent 11941A close-field probes to detect low-level emissions from a device under test. Radiated emissions from measurements using a spectrum analyzer
Supplier: Scantek, Inc.
Description: The MI005 is a standardized (ISO 140) Tapping Machine designed to generate normalized impact noise for laboratory and field measurements of the impact sound insulation of floors. The MI005 has 5 hammers in line. Each hammer has a weight of 500 g and free-falls from a distance of 40 mm. The average
Supplier: ValueTronics International, Inc.
Description: . The synthesis capability is extremely useful for the characterization of narrowband devices.
Supplier: Tektronix, Inc.
Description: Features & Benefits Automates Test of Consumer HDTV Video Devices Automates VESA Compliance Test for PC Graphics Devices Automates Testing of Multimedia PC Fast, Accurate, and Reliable Video Measurements Comprehensive Component Analog Video Signal Analysis SDTV, HDTV, and RGBHV Component
- Test Type: Noise
- Mounting Type: Portable/Benchtop
- Analyzer Type: Instrument
- Limit Lines: Yes
Supplier: VTI Instruments Corporation
Description: The VT2000 combines three powerful instrumentation quality designs (DMM, AWG and counter/timer) in a single slot VXIbus module. All three VMIP™ instruments are message-based devices, with SCPI command sets and separate VXIplug&play drivers. Additionally, each one of these instruments
- Generator Type: Continuous Wave (CW), Function, Noise, Pulse, Other
- Form Factor: Printed Circuit Card
- Interface: VXI / MXI Bus
- Device Type: Generator
Supplier: Techwell, Inc.
Description: resolution measurement applications. These 24-bit Delta-Sigma Analog-to-Digital Converters include a very low-noise amplifier and are available as either two or four differential multiplexer inputs. The devices offer the same pinout as the ADS1232 and ADS1234 devices and are functionally compatible
Supplier: National Instruments
Description: of analog signals, some digital signals, and two user-defined connections to the DAQ device while maintaining the integrity of your measurements with a shielded enclosure. Refer to the product specifications for more signal connection information.
- Mounting Options: Panel Mount
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Measurement and recording of acoustic levels
visualize and export the recorded data. The application can also be used to monitor acoustic levels in real time. LabVIEWTM driver avalaible. Designed to comply with: IEC 651/804 Type 2 and ANSI S1.4 Type 2. Applications: Measurement and data-logging of acoustic dose. Monitoring of safe working conditions. Activity detection and recording. Long-term measurement and recording of acoustic levels for environmental impact studies. Dowload the Noise Sentry Data Sheet [PDF]. Dowload the Noise Sentry Manual... (read more)
Browse Sound Level Meters and Noise Dosimeters Datasheets for Convergence Instruments
Less Than Lethal (LTL) devices Munitions Testing
witness material that registers the impact of fragments generated by a less than lethal noise flash diversionary device. The number of fragment impacts greater than a specific measurement are counted, and segregated by perforation through the foamboard or paper. High speed camera to 8,000 frames per second. Light output phototropic. Light plume size. Sound output - Industrial and military standards exist for evaluating the measured impulse noise of a weapon or less than lethal noise flash... (read more)
Browse Dimensional Measurement and Metrology Services Datasheets for E-Labs, Inc.
PCB Piezotronics, Inc.
NEW - SoundExpert™ LxT from Larson Davis
and microphone and comes with extension cable options from 6 to 200 feet, this device makes noise measurement and recording simple and portable. It will gather data for up to two weeks using battery power and can then be retrieved for data download and report generation. This system provides an effective solution for the monitoring of construction sites, mining operations, wind farms, public venues, and more. (read more)
Browse Sound Level Meters and Noise Dosimeters Datasheets for PCB Piezotronics, Inc.
Meggitt Sensing Systems - Measurement Group
High-Intensity Endevco® Piezoelectric Microphone
Meggitt Sensing Systems, a Meggitt group division, has introduced the Endevco ® model 2510 piezoelectric sound pressure level microphone, designed to measure very high-intensity acoustic noise and very low pressure fluctuations over a wide temperature range, supporting extreme acoustic measurement applications such as rocket launch separation studies and high-temperature aircraft engine noise monitoring, among others. Featuring a rugged design, a wide sound pressure measurement range of 100... (read more)
Browse Measurement Microphones Datasheets for Meggitt Sensing Systems - Measurement Group
Columbia Research Labs, Inc.
Dynamic Pressure Sensor with High Sensitivity
The Models 765M20 and 765M22 High Intensity Acoustic Sensors (Microphones) are designed for the measurement of gas-borne sound in industrial applications. These sensors have been constructed for use in corrosive environments that are compatible with the type 316 stainless steel diaphragm. The miniature 10-32 fused-glass coaxial connector, when combined with allwelded construction, provides a true hermetic seal. Electrically, these devices comprise sensing elements of piezoceramic material... (read more)
Browse Measurement Microphones Datasheets for Columbia Research Labs, Inc.
Measurement and data-logging of acoustic dose
failure, all recorded data is preserved. Sound Level Data Logger | Noise Sentry Manager application to setup operating and recording parameters, download, visualize and export the recorded data. The application can also be used to monitor acoustic levels in real time. LabVIEWTM driver avalaible. LEARN MORE ABOUT THE SOUND LEVEL DATA LOGGER | NOISE SENTRY. . Why Convergence Instruments?. Our Sentry Series ’ data loggers feature high levels of measurement accuracy and flexibility... (read more)
Browse Data Loggers and Data Recorders Datasheets for Convergence Instruments
Noise Reduction Cabinet For Tapped Density Tester
A tapped density measurement requires dropping a platform holding a cylinder containing the powder under test approximately 250 times a minute. An optional noise reduction cabinet is now available for Quantachrome's Autotap and Dual Autotap devices that can reduce the tapping noise by 15dBA*. This two-door, powder-coated, steel cabinet is foam-insulated throughout. The rear panel has an access hole for the Autotap's power cord and the right side door is lockable. Dimensions: 76cm (30") W x 38cm... (read more)
Browse Powder Testing Equipment Datasheets for Quantachrome Instruments
Meggitt Sensing Systems - Measurement Group
100% Tested Low-Noise Cables
conditioner. While much consideration is placed upon the accelerometer, signal conditioning and data acquisition device, cabling can often be an afterthought. Yet, it is actually the cable that can have the most influence over a successful test. Poor cabling results in corrupted and unreliable data; wasted time, cost and materials; and measurement uncertainty. Cables are thus one of the first areas of troubleshooting during a test failure. Traditional industry coaxial cable construction consists... (read more)
Browse Accelerometers Datasheets for Meggitt Sensing Systems - Measurement Group
Instrumented Sensor Technology
Shock, Vibration & Environmental Recorders
for EDR-3D. New Sliding Window Overwrite Mode. New Event Type Memory Partition. Up to 6 High-Speed Accel Channels. Precision Low Noise True 10 Bit A/D. Selectable Sampling Frequency to 3.2 kHz/CH. Programmable Trigger Schemes. Automatic Offset Correction (for DC accelerations, Bridge Balancing). Vibration Controller Compatibility for Field Data Replication, PSD Profiles. Battery Powered, up to 30+ Days , 60 Days with New "Powersave" feature. Small Size: 37 cu in, 2.2 lb. Powerful Windows... (read more)
Browse Vibration Measurement Instruments and Vibration Analyzers Datasheets for Instrumented Sensor Technology
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Medical Device Link . Electrical Testing and Environmental Screening of Hybrid Microelectronic Devices
Medical Device & Diagnostic Industry Hybrid devices require unique testing to ensure reliability for medical applications. Generic test and environmental requirements for hybrid microelectronics are defined in MIL-PRF-38534 and MIL-STD-883. While these two specifications outline the requirements
Phase Noise Measurement and Jitter Analysis
. the ideal. When the applied phase. Measuring jitter in the frequency. modulation is negative the dashed. domain gives you many advantages. line lags the ideal. These phase. For example, frequency domain rms. deviations of the zero crossing is. noise measurements have very low. also time jitter. If you can
The various noise sources of piezoelectric transducers connected to preamplifiers are discussed. Low level, low frequency measurements are limited by the electromechanical efficiency of the piezoelectric material used in the accelerometer and the characteristics of the preamplifier. Noise
Clock Division with Jitter and Phase Noise Measurements
As clock speeds and communication channels run at ever higher frequencies, accurate jitter and phase noise measurements become more important, even as they become more difficult and expensive to manage. While measuring ultra low-jitter devices and equipment, the engineer is continually required
Extinction Cross-Section Measurements of
straight-line path lengths are impractical. smaller focused spot on the fi eld mirror. Thus, longer. in a laboratory setting, we have elected to "fold" these. path lengths can be achieved than with broadband. measurement paths with a device known as a White cell. sources. Another reason
Looking Into Noise-Figure Measurement Uncertainty
many companies, the basic understanding of NF measurement has not kept up with the capability to manufacture LNAs. Specifications of 0.7 dB are being written for NFs, yet often the devices are being tested with a NF setup in which the noise source itself has an uncertainty of 0.3 dB without even
Using 2310 with Option 01 to Make Wideband Noise Measurements on TETRA Transmitters (.pdf)
. This application note describes how IFR 2310 can be used to. Limitations of Conventional Test Methods. make wideband noise measurements accurately, fast and as per. A general purpose spectrum analyzer is often considered appro-. the conformance requirement. A description of the measurement. priate
Medical Device Link . Benchtop EMC Testing Techniques for Medical Equipment Using loop probes to help test devices for electromagnetic compatibility saves costly redesign and complements open area and chamber tests.
, specific design changes can be evaluated on the design bench and clarified with further OATS or ALC measurements. Identifying radiated emissions sources close to their origins is usually done with a sensor or transducer that converts fields into voltages for measurement by a receiver or spectrum analyzer
Engineering Web Search: Noise Measurement Device Top
Noise figure - Wikipedia, the free encyclopedia
The noise factor is defined as the ratio of the output noise power of a device to the portion thereof attributable to thermal noise in the input
Sonar - Wikipedia, the free encyclopedia
Sonar may be used as a means of acoustic location and of measurement of the echo characteristics of "targets" in the water.
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MAX 7000A Programmable Logic Device Data Sheet
Error : Bad color MAX 7000A Includes MAX 7000AE Programmable Logic ?? Device September 2003, ver.
- FLEX 10K Embedded Programmable Logic Device Family Data Sheet
Analog Devices | Semiconductors and Signal Processing ICs
Instrumentation & Measurement Motor & Power Control Cascaded Gain, Noise Figure, IP3 and P1dB as well as total power consumption are calculated.
ADXL345 (Rev. C)
Parameter Test Conditions Min Typ1 Max Unit SENSOR INPUT Each axis Measurement Range User selectable ??2, ??4, ??8, ??16 g Nonlinearity Percentage
Xilinx UG203 Virtex-5 FPGA PCB Designer?s Guide
. . . . . 33 Noise Magnitude Measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Noise Spectrum