Test & Measurement

Measuring Instruments

Explore a range of technical briefs and articles digging deep into advanced measuring instruments and devices. Find the latest developments that design engineers are using to meet their design challenges.

Articles : Imaging
Inspection of Bulk Material with Trilinear Line-Scan and Prism Cameras
Inspection of Bulk Material with Trilinear Line-Scan and Prism Cameras

Traditionally, prism-based cameras are often selected over trilinear cameras when it comes to bulk material scanning, as the inherent line-shift of a trilinear camera can...

Inspection of Bulk Material with Trilinear Line-Scan and Prism Cameras
Briefs : Sensors/Data Acquisition
Integrated Silicon Photonic Switch Demonstrates Lowest Signal Loss Ever in High-Speed Data Transmission
Integrated Silicon Photonic Switch Demonstrates Lowest Signal Loss Ever in High-Speed Data Transmission

Experimental photonic switches developed at UC Berkeley have shown promise toward the goal of fully optical, high-capacity switching for...

Integrated Silicon Photonic Switch Demonstrates Lowest Signal Loss Ever in High-Speed Data Transmission
Products : Test & Measurement
Product of the Month: July 2019 Tech Briefs
Product of the Month: July 2019 Tech Briefs

Dewesoft, Whitehouse, OH, introduced single-channel KRYPTON data acquisition modules for use in harsh environments such as exposure to extreme temperatures, water spray or submersion, or high shock...

Product of the Month: July 2019 Tech Briefs
Blog : Robotics, Automation & Control
LASER World of PHOTONICS, Day 3 — Unusual Exhibits
LASER World of PHOTONICS, Day 3 — Unusual Exhibits
Editor Bruce A. Bennett takes us through the unusual — and completely unexpected —at this year's LASER World of Photonics.
LASER World of PHOTONICS, Day 3 — Unusual Exhibits
News : Test & Measurement
LASER World of PHOTONICS 2019
LASER World of PHOTONICS 2019
The bi-annual Laser World of Photonics exhibition begins today.
LASER World of PHOTONICS 2019
News : Transportation
Engineers Develop Concept for Hybrid Heavy-Duty Trucks
Engineers Develop Concept for Hybrid Heavy-Duty Trucks

Heavy-duty trucks, such as the 18-wheelers that transport many of the world's goods from farm or factory to market, are virtually all powered by diesel engines. They account for a...

Engineers Develop Concept for Hybrid Heavy-Duty Trucks
Special Reports : Manufacturing & Prototyping
Automotive Manufacturing

Factories are getting smarter thanks to advances in robotics, analytics, simulation, metrology and more. To help you keep pace with the latest developments, we present this compendium of recent articles from the editors of Automotive Engineering and Automotive Manufacturing & Machining.

Blog : Sensors/Data Acquisition
An ‘Active’ Machine-Vision Tool Adds Intelligence to Traffic Management
An ‘Active’ Machine-Vision Tool Adds Intelligence to Traffic Management
A new machine-vision tool extracts and reports valuable driving data from the standard traffic cameras already in place.
An ‘Active’ Machine-Vision Tool Adds Intelligence to Traffic Management
Question of the Week : Test & Measurement
Will 5G Impact How You Test and Design?

We see a huge ‘Fear of Missing Out’ as companies, or even nations, become the first to release new 5G technologies and products,” said National Instruments’ Charles Schroeder during last month’s NIWeek event.

Briefs : Motion Control
Calculating the Estimated Fatigue Life of a Disc Spring
Calculating the Estimated Fatigue Life of a Disc Spring

In discussing fatigue life, it is important to distinguish between disc springs and conical spring washers, as they differ by design and intended usage. Conical spring washers are...

Calculating the Estimated Fatigue Life of a Disc Spring
Articles : Photonics/Optics
Vision Sensors in Factory Automation
Vision Sensors in Factory Automation

There are a number of ways to extract data from a production line. In factory automation, sensors are used in work cells to gather data for inspection or to trigger other devices. These sensors fall into...

Vision Sensors in Factory Automation
Briefs : Materials
Monitor Babies in the NICU Without Wires
Monitor Babies in the NICU Without Wires

An interdisciplinary Northwestern University team has developed a pair of soft, flexible wireless sensors that replace the tangle of wire-based sensors that currently monitor babies in hospitals’...

Monitor Babies in the NICU Without Wires
Briefs : Wearables
UCI Biomedical Engineers Develop Wearable Respiration Monitor with Children’s Toy
UCI Biomedical Engineers Develop Wearable Respiration Monitor with Children’s Toy

Researchers at the University of California, Irvine have developed a wearable, disposable respiration monitor that provides high-fidelity readings on a...

UCI Biomedical Engineers Develop Wearable Respiration Monitor with Children’s Toy
Application Briefs : Test & Measurement
Smart Agriculture Sensors: Helping Small Farmers and Positively Impacting Global Issues, Too
Smart Agriculture Sensors: Helping Small Farmers and Positively Impacting Global Issues, Too

Smart agriculture, also known as precision agriculture, allows farmers to maximize yields using minimal resources such as water, fertilizer, and...

Smart Agriculture Sensors: Helping Small Farmers and Positively Impacting Global Issues, Too
Briefs : Test & Measurement
Spotting Minute Amounts of Disease in the Bloodstream
Spotting Minute Amounts of Disease in the Bloodstream

The difficulty in spotting minute amounts of disease circulating in the bloodstream has proven a stumbling block in the detection and treatment of cancers that advance stealthily with few...

Spotting Minute Amounts of Disease in the Bloodstream
Application Briefs : Wearables
When You Need a Machine for Breathing, You’d Better Have Accurate Sensors
When You Need a Machine for Breathing, You’d Better Have Accurate Sensors

Medical ventilation technology has come far since the original iron lung was first used more than 90 years ago. Using negative pressure to ventilate, the patient was...

When You Need a Machine for Breathing, You’d Better Have Accurate Sensors
Articles : Materials
Products of Tomorrow: June 2019
Products of Tomorrow: June 2019

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: June 2019
Products : Electronics & Computers
New on the Market: June 2019
New on the Market: June 2019

Code Generator

dSPACE, Wixom, MI, offers Version 4.4 of TargetLink code generator software that features controller modeling with MATLAB® code from MathWorks. It describes algorithms and...

New on the Market: June 2019
Briefs : Test & Measurement
Full-Spectrum Infrasonic Stethoscope for Screening Heart, Carotid Artery, and Lung-Related Diseases
Full-Spectrum Infrasonic Stethoscope for Screening Heart, Carotid Artery, and Lung-Related Diseases

Microphones and stethoscopes are regularly used by physicians to detect sounds when monitoring physiological conditions. These monitors are...

Full-Spectrum Infrasonic Stethoscope for Screening Heart, Carotid Artery, and Lung-Related Diseases
Briefs : Photonics/Optics
Systems and Methods for Correcting Optical Reflectance Measurements

Optical spectroscopy can be used to determine the concentration of chemical species in samples. The amount of light absorbed by a particular chemical species is often linearly related to its concentration through Beer’s Law. For nontransparent materials such as powders,...

Briefs : Test & Measurement
Non-Destructive Evaluation (NDE) of Structures Using Transient and Lock-in Thermography
Non-Destructive Evaluation (NDE) of Structures Using Transient and Lock-in Thermography

Researchers at NASA’s Johnson Space Center improved their Flash Thermography capabilities by incorporating transient and lock-in thermography. By...

Non-Destructive Evaluation (NDE) of Structures Using Transient and Lock-in Thermography
Briefs : Test & Measurement
Safety Analysis: The Key to a Single-Pass ISO26262 Random Fault Workflow
Safety Analysis: The Key to a Single-Pass ISO26262 Random Fault Workflow

Advanced driver-assistance systems and autonomous drive technologies increase the complexity of automotive integrated circuits (ICs), making it harder to ensure that...

Safety Analysis: The Key to a Single-Pass ISO26262 Random Fault Workflow
Q&A : Manufacturing & Prototyping
Q&A: 3D-Printed Hydrogel Blocks Can Aid Robotics and Diagnostics

Ian Y. Wong, Ph.D., is Assistant Professor of Engineering, Molecular Pharmacology, Physiology and Biotechnology at Brown University in Providence, RI. He and colleagues have developed a new type of hydrogel blocks that can be assembled like LEGO®s.

Facility Focus : Manufacturing & Prototyping
Facility Focus: U.S. Army Aeromedical Research Laboratory
Facility Focus: U.S. Army Aeromedical Research Laboratory

In October 1962, the U.S. Army Aeromedical Research Unit was established with a goal of providing specialized medical and physiological support to help close the gap between Army...

Facility Focus: U.S. Army Aeromedical Research Laboratory
Articles : Test & Measurement
The Inside Story of Pico's 9400 SXRTO
The Inside Story of Pico's 9400 SXRTO
Pico’s RF Business Development Manager Mark Ashcroft introduces the company's SXRTO Sampler Extended Real Time Oscilloscope.
The Inside Story of Pico's 9400 SXRTO
Products : Photonics/Optics
New Products: May 2019 Photonics & Imaging Insider
New Products: May 2019 Photonics & Imaging Insider

Software for Enhanced Laser Processing

Prima Power Laserdyne (Champlin, MN) released of the FASTTRIM™ CAD/CAM software for use with its multi-axis precision laser processing...

New Products: May 2019 Photonics & Imaging Insider
Briefs : Test & Measurement
Measurement Method for Radioactive Methane

Anew method for measuring radioactive methane is an optical one based on spectroscopy. Previously, radioactive methane has been measured with accelerator mass spectrometry involving expensive machines. Optical measuring could be a cheaper and more agile method.

Application Briefs : Aerospace
Miniature Bearings Play a Major Role in Mars 2020 Mission
Miniature Bearings Play a Major Role in Mars 2020 Mission
Timken
North Canton, OH
www.timken.com

As NASA prepares for the launch of its newest Mars rover in 2020, Timken engineers have designed and tested its miniature...

Miniature Bearings Play a Major Role in Mars 2020 Mission
NASA Spinoff : Energy
LED Lighting Improves Efficiency and Imaging
LED Lighting Improves Efficiency and Imaging

Rocket engine testing requires a lot of light since all tests are filmed with high-speed cameras to monitor performance; however, those cameras have to adjust to the bright plume from a firing...

LED Lighting Improves Efficiency and Imaging
Briefs : Test & Measurement
Fast and Accurate Simulation of Manufactured Parts with Defects
Fast and Accurate Simulation of Manufactured Parts with Defects

Unwanted porosity is typical to many manufacturing processes — from traditional casting to additive manufacturing (3D printing) — and is difficult to avoid entirely....

Fast and Accurate Simulation of Manufactured Parts with Defects