White Paper: High Accuracy, High Voltage Measurement – April, 2019
Introduction One of the first principals learned as an engineering student is the “observer effect” which states that simply observing a situation or phenomenon necessarily changes that phenomenon. This is often the result of instruments that, by necessity, alter the state of what they measure in some manner. Accurate high-voltage measurement is a clear example of the validity of this theory. The accuracy of the resulting measurements is affected by three important elements: environmental factors, errors that are introduced by the measurement probe, and the intrinsic accuracy and performance of the measuring instrument. This article will address each of [...]
New Product Release: Vitrek’s 98i Series Teraohmmeter Meets Demands for Higher Voltage IR Testing GalleryNew Product Release: Vitrek’s 98i Series Teraohmmeter Meets Demands for Higher Voltage IR Testing
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New Product Release: Vitrek’s 98i Series Teraohmmeter Meets Demands for Higher Voltage IR Testing
New Product Release: Vitrek’s 98xi Series Teraohmmeter Meets Demands for Higher Voltage IR Testing Meets requirements for emerging higher voltage electric vehicle battery system and solar array insulation resistance testing; offers unique combination of operational features; capacitive load capability facilitates solar system and cable harness testing […]
Aircraft Engine Test Cell is World’s Largest
The world’s largest aircraft engine test cell is in Atlanta, Georgia (USA), home of the upcoming MRO Americas 2019 show for the commercial air-transport maintenance, repair and overhaul (MRO) industry. Delta TechOps, a division of Delta Airlines and a full-service MRO, recently opened a $100 million test cell at its Atlanta facility that’s capable of running a jet engine at 150,000 lb. thrust. That’s more thrust than the GE Aviation GE90 engine, which powers Delta’s Boeing 777-200 LR fleet, can produce.“This test cell is a vote of confidence in Delta TechOps,” said Ed Bastian, Delta Airlines CEO, in an article [...]
Proforma 300i SA Video Shows Semiconductor Metrology GalleryProforma 300i SA Video Shows Semiconductor Metrology
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Proforma 300i SA Video Shows Semiconductor Metrology
MTI Instruments, a worldwide leader in precision measurement solutions, has released a YouTube video that shows how its Proforma™ 300i SA semi-automated measurement tool measures silicon carbide wafers for semiconductors. George Relan, MTI’s Global Director of Sales, demonstrates how the desktop metrology system provides non-contact full wafer scanning and 3D mapping of measurement features such as thickness and shape. MTI’s video also shows how the Proforma 300i SA interfaces with an external computer and provides powerful Windows-based software for analysis and reporting. By utilizing MTI push/pull technology, the Proforma 300i SA doesn’t require the semiconductor wafers to have a [...]
41CA: Dual Channel Rugged Charge Amplifier
41CA: Dual Channel Rugged Charge Amplifier Convert accelerometer charge signals into voltage signals Request Quote Download Brochure The 41CA Two Channel Charge Amplifier is used to convert accelerometer charge signals into voltage signals. Converted signals are then easily used by the PBS-4100 family of vibration analyzers. Two channels of amplification are provided. Each channel has separate gain and switchable test signals. Input Signal Configuration: Differential or Single Ended Channel gain settings: 1, 4, 10 mV/pC Highpass filter options: 0, 10, 15, 20, 25 Hz Lowpass [...]
CA1800: Rack-mount Multiple Channel Charge Amplifier
CA1800: Rack-mount Multiple Channel Charge Amplifier Precision test cell rack mounted accelerometer charge amplifier Request Quote Download Brochure This CA1800 provides up to eight (8) channels of precision charge amplification for accelerometers and other charge mode devices. Up to eight (8) channels of amplification Self contained compact 19 inch rack mountable chassis Independent gain settings for each channel All input connections on rear panel Buffered acceleration signals available on front panel Optional filtering available Complete operation guide available The Features and Advantages of Our CA1800: Rack-Mount Multiple [...]
Navy Orders Avionics Test and Measurement Systems GalleryNavy Orders Avionics Test and Measurement Systems
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Navy Orders Avionics Test and Measurement Systems
The U.S. Navy wants new avionics test and measurement systems. Under the terms of a $109-million award, the Naval Air Warfare Center Aircraft Division in Lakehurst, New Jersey will buy 41 electronic consolidated automated support systems (eCASS) from Lockheed Martin. This test and measurement equipment helps soldiers and Marines troubleshoot and repair aviation electronics while at sea. Avionics, the electronics used in aircraft, support essential navigation and communications functions. With military aircraft, avionics typically include electro-optical, infrared, and other types of sensors for airborne radar, weapons systems, and heads-up displays. Military avionics also need to support electronic warfare systems, [...]
Fiber Optic Sensors Help Stop Subway Shutdown
Fiber optic sensors will help keep commuters moving between Manhattan and Brooklyn this year and beyond. Recently, New York Governor Andrew Cuomo announced that New York City’s Metropolitan Transit Authority (MTA) would not close the L train tunnel for a planned 15-month repair project. Instead, the MTA will use technology-driven solutions to keep the tunnel open and operational for weekday riders. In a joint statement, a panel that included engineering experts from Columbia and Cornell explained that "The L Train Tunnel project gives us the opportunity to integrate technologies and methods that have never been used before in a [...]
3D Integrated Circuits Use Capacitive Sensing to Ensure Coplanarity Gallery3D Integrated Circuits Use Capacitive Sensing to Ensure Coplanarity
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3D Integrated Circuits Use Capacitive Sensing to Ensure Coplanarity
Three-dimensional (3D) integrated circuits (ICs) feature silicon wafers and dies that are stacked vertically for improved device performance. By using the Z-axis, 3D ICs can overcome the power and footprint limitations associated with two-dimensional (2D) integrated circuits. Yet 3D ICs need coplanar surfaces to contact all of the pads, pins, and pillars. To determine coplanarity, semiconductor manufacturers measure the angle and gap between two planes. Bonding tool actuators use these measurements to adjust components and ensure that all device pins and solder balls reside on the same geometric plane. This process, active parallelism compensation, promotes proper bonding without residual [...]
Oiling System Uses Capacitive Sensing to Detect Water Contamination
Water contamination can reduce the life of lubricants and increase the frequency of maintenance and repairs. If corrective action isn’t taken before an out-of-limit incident occurs, operational costs can escalate. When unplanned maintenance disrupts operations, productivity suffers and technicians may focus on a quick fix instead of the root cause. To detect water contamination in oil systems, in-line capacitance probes can be used. These flexible, off-the-shelf devices provide automatic and continuous monitoring. Yet checking moisture levels isn’t just about enhancing reliability or eliminating corrosion. In-line capacitance probes improve operations by supporting a proactive approach to maintenance. How In-Line Capacitance [...]