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.

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 : Manufacturing & Prototyping
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 : Lighting
Innovators Recognized for "Creating the Future" 2017
Innovators Recognized for "Creating the Future" 2017

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 "Creating the Future" 2017
Articles : Electronics & Computers
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
Briefs : Test & Measurement
Personal Air Sampler for Collecting Airborne Aerosol Particulates for Molecular Analysis by Size

Air sampling is used to collect samples of airborne particles present in an environment. Analyses of the air samples can provide information concerning potential exposure to harmful respirable agents. Bioaerosol sampling can be used to identify...

Briefs : Test & Measurement
Wallops Arc-Second Pointer (WASP)

The Wallops Arc Second Pointer (WASP) is a balloon-borne attitude control system capable of pointing a telescope or instrument with accuracy and stability down to the arc second, or 1/3600 of a degree of angular measurement. When a high-powered telescope is integrated with WASP, it provides a highly precise...

INSIDER : Test & Measurement
New Way to Test Body Armor
New Way to Test Body Armor

Scientists at the National Institute of Standards and Technology (NIST) have developed a new way to investigate the high-performance fibers used in modern body armor. The testing of soft body armor has been a big...

New Way to Test Body Armor
INSIDER : Test & Measurement
Measuring Volcanic Emissions from Space
Measuring Volcanic Emissions from Space

Before volcanoes erupt, there are often warning signs. Using remote sensing to detect rising carbon dioxide and sulfur dioxide emissions without endangering people or equipment would greatly increase...

Measuring Volcanic Emissions from Space
News : Test & Measurement
Sound-Off: The Imaging Advantages of Blue Light vs. White Light

Digital Image Correlation (DIC) is a non-contact optical method of measuring deformation and strain on a given material. Measurement accuracy, however, depends on contrast, illumination, and light intensity.

News : Medical
A Balancing Act: How Months in Space Impact Astronauts' Performance
A Balancing Act: How Months in Space Impact Astronauts' Performance

When you arrive back on Earth after a year in space, you’re going to feel it.

NASA and Jacob Bloomberg, senior scientist in the Houston, TX- headquartered Johnson...

A Balancing Act: How Months in Space Impact Astronauts' Performance
INSIDER : Test & Measurement
Mini Spectrometer Has Big Potential
Mini Spectrometer Has Big Potential

Researchers have created a miniaturized, portable version of the mass spectrometer, which traditionally has been bulky, limiting its in-field potential. Other smaller spectrometers have been less sensitive...

Mini Spectrometer Has Big Potential
Articles : Communications
Self-Powered Wireless Sensors in the Industrial Internet of Things

Sensors have a key role in industrial production. For example, they can be used for quality and process monitoring or condition-based maintenance. The range of applications is large and is evolving even further, largely due to the increasing use of self-powered wireless sensors...

Briefs : Test & Measurement
Portable Kit Recovers Traces of Chemical Evidence

An arson investigation typically requires collecting one or two liters of ashes and debris from various locations within a fire scene in metal cans similar to those used for paint, and sending the material to a lab. The testing methods typically include gas and liquid chromatography or various...

Briefs : Test & Measurement
Overspeed Protection for Turbine Flowmeters in Cryogenic Applications

Flowmeters for cryogenic applications often fail in service. Turbine flowmeters in particular fail due to very high speeds encountered during chill-down operations. Very cold, very high-velocity gas causes the turbine to spin uncontrollably, which quickly degrades bearings....

Briefs : Test & Measurement
Handheld Device with Reagents for Detection and Diagnostics

The high risk associated with biological threat agents determines that any suspicious sample be handled under strict surety and safety controls, and processed under high-level containment in specialized laboratories. These specialized facilities are complex, very expensive to operate,...

Briefs : Test & Measurement
Thermal Micro-Extraction Laboratory

Typical extractions in the laboratory require a significant amount of sample material, large-scale equipment, and hands-on participation of a scientist. Such a setup is impractical (or impossible), heavy, and expensive to be carried out on spaceflight instrumentation. While great strides are being made to...

Briefs : Test & Measurement
Container Screening Device (CSD)

The Container Screening Device (CSD) is a portable, benchtop measurement system for real-time sealed-container inspection, and content (liquid/ material) classification and discrimination. The technology uses sound waves to acoustically detect, classify, and discriminate threat versus non-threat substances and...

Products : Test & Measurement
Product of the Month: July 2017
Product of the Month: July 2017

Tektronix, Beaverton, OR, introduced the TTR500 Series USB vector network analyzer, a USB-based RF test instrument. It includes VectorVu-PC analysis software and built-in bias tee for testing active devices....

Product of the Month: July 2017
News : Test & Measurement
Sound-Off: How to Set Pass/Fail Thresholds for Self-Driving Vehicles

As Advanced Driver Assistance System (ADAS) technology evolves, how do you test autonomous cars that ‘learn from their mistakes?’

Facility Focus : Test & Measurement
National Institute of Standards and Technology (NIST)

The National Institute of Standards and Technology (NIST) was founded in 1901, and is now part of the U.S. Department of Commerce. Based in Gaithersburg, MD, it was established to remove a major challenge to U.S. industrial competitiveness at the time — a second-rate measurement...

Webcasts

On-Demand Webinars: Manufacturing & Prototyping

Metal 3D Printing

On-Demand Webinars: Aerospace

Update on Civil Certification of Multicore Processing Systems in Commercial...

On-Demand Webinars: Robotics, Automation & Control

Collaborative Robot Applications in the Automotive Industry

On-Demand Webinars: Materials

Enhance Product Design and Dependability with Advanced Coating Technologies

On-Demand Webinars: Green Design & Manufacturing

Rapid, Selective Volatile Emissions Testing for Vehicles and Components

On-Demand Webinars: Medical

New Developments in Catheter Shaft Components – Part 2