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Select the Right Thermocouple for Your Temperature Measurement Application

Posted by Chris Gibson on Nov 4, 2019 12:00:00 PM

For many test applications, measuring the temperature is a necessity. For example, when testing an aircraft engine, you may need to measure manifold temperature or the exhaust gas temperature. To help you take those measurements, VTI Instruments offers a number of options, including the EX1000A series of precision voltage measurement instruments and the RX1032 rugged thermocouple measurement system.

Thermocouples are arguably the most common type of temperature sensor, although you can also use resistance temperature detectors (RTDs), or thermistors. The EX1000A series supports all three types of sensors, while the RX1032 supports only thermocouples.

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AMECare® Ensures Performance and Uptime Throughout the Product Lifecycle

Posted by Sam Hughes on Oct 24, 2019 12:54:52 PM

The AMETEK Programmable Power AMECare® Reliability Assurance™ service level agreement (SLA) program is designed to provide “white glove” support for mission-critical power and test devices. It includes regular preventative maintenance, break-fix support, and legacy upgrades beginning with a product’s purchase and extending throughout its entire lifecycle.

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Prevent an Inductive Load from Damaging Your Power Supply

Posted by Grady Keeton on Sep 27, 2019 9:55:43 AM

Resistive loads are easy on a DC power supply. When you turn off the power, the current quickly drops to zero and no damage is done.

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Switching Basics: Relay Types and Systems

Posted by Grady Keeton on Sep 17, 2019 10:44:02 AM

To maintain signal integrity in an automatic test system requires:

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Topics: relays

AS5553 Keeps Supply Chain Free of Counterfeit Components

Posted by Grady Keeton on Aug 28, 2019 8:48:17 AM

Over the past 10-20 years, counterfeit electronic components have become a serious problem. Counterfeit components are parts that have somehow been misrepresented as to their origins or quality. Because counterfeit parts are often of lower quality than what are called “franchise” parts, they may represent a hazard if used in critical systems such as automobiles, aircraft of any kind, military equipment, or space vehicles.

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Topics: safety, counterfeit dangers, SAE AS5553

IEPE Interface from VTI Maximizes Sensor Performance

Posted by Chris Gibson on Aug 7, 2019 1:14:33 PM

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Topics: IEPE Interface

Test Software Makes MIL-STD-1399-300B Testing Easier

Posted by Grady Keeton on Jul 24, 2019 1:05:00 PM

Designing equipment to be operated onboard Navy vessels is not like designing a consumer product that plugs into a three-prong wall socket. That being said, it’s important to know the characteristics of the on-board power source and test to make sure that equipment can reliably use that power.

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Topics: MIL-STD-1399-300B

Testing AC Sources with an AC Electronic Load

Posted by Grady Keeton on Jun 18, 2019 4:10:44 PM

Testing AC power sources, such as uninterruptible power supplies, can be a real challenge. These products are often tested with resistive load banks, but this approach does not simulate real-world conditions such as switching DC/AC converters found in many AC powered products.  

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Topics: Compliance Testing, voltage variation, AC Electronic Load testing

Are IVI Instrument Drivers Compatible with Linux?

Posted by Chris Gibson on May 13, 2019 3:21:18 PM
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Topics: Compliance Testing, test bench, IVI

Decreasing Test Time in High-Channel-Count Applications

Posted by Grady Keeton on Apr 26, 2019 1:44:33 PM

When performing functional tests, keeping test times as short as possible is often a critical requirement. Time is money, after all. One way to reduce test times is to reduce the latency in setting up signal switch paths, stimulus devices, and measurements. These can all have a significant impact on the overall time it takes to complete a full functional test of a particular DUT. 

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Topics: automotive testing, Compliance Testing, defense testing, High channel count applications

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