Sensors & Test

Test & Measurement

Learn what's trending in test, measurement, and monitoring technologies. Explore the latest products, applications, and technical briefs covering advanced measuring instruments, monitoring systems, devices, and instrumentation.

Technology Leaders : Electronics & Computers
Don't Let Obsolescence Cause Your Test System to Flatline
Don't Let Obsolescence Cause Your Test System to Flatline

If you are testing devices and components that will last a decade or more, and you have to plan technology updates and obsolescence events for test systems that might live even...

Don't Let Obsolescence Cause Your Test System to Flatline
Briefs : Materials
Composite Materials Could Improve Respirator Filters
Composite Materials Could Improve Respirator Filters

Current gas mask filters counter current threats, but there are large gaps in knowledge about how they do so at the molecular level. Many of the filters were developed to handle a wide...

Composite Materials Could Improve Respirator Filters
Briefs : Test & Measurement
External Diagnostic Method to Detect Electrical Charging in Complex Ion Trapping Systems

Electron-ionized atom trapping technology is widely used in mass spectrometry and atomic clocks. The complexity of the trapping configuration operating in an ultra-high vacuum system is driven by demands for ultimate sensitivity, performance, and fundamental...

Briefs : Software
EOS MLS Level 2 Data Processing Software, Version 4

This software reads MLS Level 1 products — the Earth Observing System (EOS) Microwave Limb Sounder (MLS) calibrated measurements of microwave radiance products and operational meteorological data — and produces a set of estimates of atmospheric temperature and composition. The software...

Briefs : Green Design & Manufacturing
SolidSense: Gas Analyzer on a Chip
SolidSense: Gas Analyzer on a Chip

The SolidSense sensor platform measures all EPA-regulated gas emissions (nitrogen oxides, carbon monoxide, and hydrocarbons), in addition to ammonia, with high accuracy and sensitivity. The chip-scale gas...

SolidSense: Gas Analyzer on a Chip
Briefs : Photonics/Optics
Development of Sodium Lidar for Spaceborne Missions

The metal layers at mesospheric altitudes are excellent tracers of neutral atmosphere dynamics, and have been used since the 1960s to study the chemistry and dynamics of the mesosphere. Ablation from meteors is believed to be the chief source of metals such as Na, Mg, K, Fe, and Ca in the...

NASA Spinoff : Aerospace
Space-Based Bone Scanner Expands Medical Research
Space-Based Bone Scanner Expands Medical Research

Spinoff is NASA's annual publication featuring successfully commercialized NASA technology. This commercialization has contributed to the development of products and services in the fields of...

Space-Based Bone Scanner Expands Medical Research
Briefs : Sensors/Data Acquisition
Aerosol-to-Liquid Particle Extraction System (ALPES)

Agents that could be used in chemical and biological warfare tend to disperse widely in the air when released. Quickly collecting a concentrated sample of these agents is critical to detecting them before they reach harmful dose levels in the air. Also, methods of detection such as by...

Briefs : Sensors/Data Acquisition
Depth Sensors for Time-of-Flight Imaging
Depth Sensors for Time-of-Flight Imaging

Time of flight is an approach that gauges distance by measuring the time it takes light projected into a scene to bounce back to a sensor. In time-of-flight imaging, a short burst of light is fired...

Depth Sensors for Time-of-Flight Imaging
Briefs : Test & Measurement
Optical Method for Detecting Displacements and Strains at Ultra-High Temperatures During Thermo-Mechanical Testing

NASA's Langley Research Center has developed an optical method for detecting displacements and strains at ultra-high temperatures during thermo-mechanical testing. This innovation will provide displacement and strain measurements in...

Briefs : Sensors/Data Acquisition
Radar Scanner Tests Wind Turbine Blades for Defects
Radar Scanner Tests Wind Turbine Blades for Defects

Wind power has become an indispensable part of an environmentally friendly power supply. Therefore, it is important for this growth market that wind turbines become more efficient, more...

Radar Scanner Tests Wind Turbine Blades for Defects
Briefs : Sensors/Data Acquisition
Shoebox-Sized Chemical Detector
Shoebox-Sized Chemical Detector

A chemical sensor prototype was developed that can detect single-fingerprint quantities of substances from a distance of more than 100 feet away, and could be shrunk to the size of a shoebox. The portable...

Shoebox-Sized Chemical Detector
Application Briefs : Test & Measurement
Simplifying Cloud-Based Remote Access and Data Logging
Simplifying Cloud-Based Remote Access and Data Logging

Smart manufacturing capabilities should be built into machines, particularly those with advanced functionality such as motion control. Even if the factory is not currently connected to...

Simplifying Cloud-Based Remote Access and Data Logging
Products : Imaging
New Products: January 2018 Photonics & Imaging Technology
New Products: January 2018 Photonics & Imaging Technology

High-Speed Cameras

iX Cameras (Woburn, MA and Rochford, UK) has added a new, value-priced camera to the premium ultra-high-speed i-SPEED 7 Series line. The new i-SPEED 713 is...

New Products: January 2018 Photonics & Imaging Technology
Briefs : Test & Measurement
Non-Destructive Additive Manufacturing Characterization Coupon

Additive manufacturing (AM) material assurance has relied upon traditional test coupons and testing methods that work well for wrought materials, but fail to address the unique and not as well-known characteristics of AM parts. A new standardized, integrated test coupon was designed...

Briefs : Test & Measurement
High-Sensitivity, Environmentally Isolated Bearing Tester
High-Sensitivity, Environmentally Isolated Bearing Tester

A novel tool was developed that allows users to qualify small-diameter bearings before incorporating them into components. The High-Sensitivity, Environmentally Isolated Bearing...

High-Sensitivity, Environmentally Isolated Bearing Tester
Briefs : Test & Measurement
Sensor Droplets Enable Cheaper, Faster Food Testing
Sensor Droplets Enable Cheaper, Faster Food Testing

The foodborne pathogen Escherichia coli O157 causes an estimated 73,000 illnesses and 60 deaths every year in the United States. Better safety tests could help avoid some of the illnesses...

Sensor Droplets Enable Cheaper, Faster Food Testing
Briefs : Test & Measurement
Wind Turbine Blade Testing System Using Base Excitation
Wind Turbine Blade Testing System Using Base Excitation

Wind turbine designers are working to provide blade designs that allow a turbine connected to the blades or rotor to effectively convert wind into electricity. The blades must also be...

Wind Turbine Blade Testing System Using Base Excitation
Briefs : Test & Measurement
Nano Layer Helps Measuring Devices Withstand Extreme Environments
Nano Layer Helps Measuring Devices Withstand Extreme Environments

Measurement devices that can withstand the acid rains on Venus, radiation in space, and the heat of car engines are being developed to improve research in these extreme...

Nano Layer Helps Measuring Devices Withstand Extreme Environments
Briefs : Test & Measurement
Cryogenic and Non-Cryogenic Liquid Level Instrument

NASA’s Marshall Space Flight Center has developed a unique prototype for measuring the liquid level in a tank, employing a novel process. The technology can operate in a wide range of environments, including high and low temperatures and pressures, and is simpler and less expensive than other...

Briefs : Test & Measurement
Component Leak Test Apparatus
Component Leak Test Apparatus

A component leak test apparatus investigates the performance of fittings at low temperature and/or high pressure. Its performance was quantified by measuring the ability to hold cold pressurized gaseous helium...

Component Leak Test Apparatus
Q&A : Manufacturing & Prototyping
Q&A: Georgia Tech's Dr. Raheem Beyah Develops a Way to Authenticate 3D-Printed Products

Dr. Beyah and a team of researchers from Georgia Tech and Rutgers University have developed a three-layer system to verify that components produced using additive manufacturing have not been compromised.

Briefs : Test & Measurement
Handheld Spectral Analyzer for Point-of-Care Diagnostics
Handheld Spectral Analyzer for Point-of-Care Diagnostics

A spectral transmission-reflectance-intensity (TRI) analyzer was developed that attaches to a smartphone and analyzes patient blood, urine, or saliva samples as reliably as...

Handheld Spectral Analyzer for Point-of-Care Diagnostics
Briefs : Test & Measurement
On-line Phased Array Ultrasonic Testing (PAUT) System for Friction Stir Welding (FSW)

Friction Stir Welding (FSW) is a relatively new solid-state welding process, and many industries are now relying on this technique to produce advanced structures. Industries employing this technique include, but are not limited to, aeronautical, motor vehicle,...

Articles : Transportation
Innovators Recognized for "Creating the Future" 2017
Innovators Recognized for

The Create the Future Design Contest has helped stimulate and reward engineering innovation over the past 16 years, drawing more than 14,000 product designs from engineers, students, and...

Innovators Recognized for
Articles : RF & Microwave Electronics
Products of Tomorrow: December 2017
Products of Tomorrow: December 2017

This column presents technologies that have applications in commercial areas, possibly creating the products of tomorrow. To learn more about each technology, see the contact information provided for that...

Products of Tomorrow: December 2017
Briefs : Test & Measurement
Forward Voltage Short-Pulse Technique for Measuring High-Power Laser Diode Array Junction Temperature
Forward Voltage Short-Pulse Technique for Measuring High-Power Laser Diode Array Junction Temperature

NASA’s Langley Research Center has developed a new technology for measuring the junction temperature of laser diode arrays (LDAs) that...

Forward Voltage Short-Pulse Technique for Measuring High-Power Laser Diode Array Junction Temperature
Briefs : Test & Measurement
Apparatus and Method to Test Abrasion Resistance of Material Using Airborne Particulate

Prior art techniques for testing abrasion resistance, such as the Taber test and the Bayer test, typically use a rubbing or scratching mechanism to test materials for abrasion resistance; specifically, either an abrasive material is rubbed across the test...

Briefs : Test & Measurement
Miniature Airborne Particle Mass Monitor
Miniature Airborne Particle Mass Monitor

Particulate matter (PM) exposure and health effects have become top U.S. environmental research agenda items over the past decade. Environmental epidemiological studies rely on information from both...

Miniature Airborne Particle Mass Monitor