Asterion line now includes higher power units

Posted by Jon Semancik on Feb 28, 2019 9:00:00 AM

We have just added two new higher-power models to our Asterion™ line of AC power sources:

  • The Asterion 4503 supplies AC and DC output power up to 4,500 VA or 4,500 W;
  • The Asterion 6003 supplies up to 6,000 VA or 6,000 W.

Both units come in a 4U chassis, and can supply single or three phase output power. Like the other models in our Asterion series, the 4503 and 6003 offer a compelling combination of intelligence, performance, and modularity that make them the most adaptable and affordable platform available today. These features include:

  • AMETEK’s iX2™ current-doubling technology. With iX2, as the output voltage decreases from the maximum value to one-half the maximum value, the available output current increases up to two times the rated output current. This allows Asterion to maintain maximum power through the widest range of voltages. iX2 current-doubling technology eliminates the need to buy multiple sources or overpowered sources to run tests at different voltage levels, such as when performing low line voltage testing.
  • AC and DC output voltage ranges up to 400 Vac and 500 Vdc. Load and line regulation are +/-0.025% and +/-0.015%, respectively. This makes the Asterion more versatile and accurate than most other AC power sources available today.
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AMETEK Introduces the RX0424, an All-New Rugged Accelerometer Instrument

Posted by Jon Semancik on Feb 12, 2019 9:39:37 AM

AMETEK VTI's new RX0424 IEPE/Voltage Instrument is a cost-effective new device that is ideal for measuring acceleration forces and sensing static and dynamic movement or vibrations. Fully-integrated IEPE current excitation and tachometer input channels further enhance the instrument’s utility and functionality.

The RX0424’s precise signal path design delivers laboratory-grade measurements to the field. The RX4024 provides exceptional accuracy and repeatability by using independent 24-bit analog-to-digital converters at programmable data acquisition rates up to 204.8 kSa per second. Multiple input ranges help ensure that users capture all vibration events, large or small, and precision

The RX4024 connects directly to Integrated Electronic Piezoelectric (IEPE) transducers, which have a built-in charge amplifier or voltage amplifier. IEPE current excitation sources can be programmed to supply either 4.5 mA or 10 mA drive current. These sources can also be tailored to specific application demands.

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Topics: Compliance Testing, defense testing

Data Acquisition System Provides Data Redundancy for Automotive Tests

Posted by Jon Semancik on Jan 31, 2019 8:00:00 AM

The automotive market is a highly competitive and complex business. In order to be competitive, vehicles must not only offer comfort and top-notch features at a cost-effective price but also ensure passenger safety. Long before any new model goes into mass production, a long series of sophisticated tests and validations are required at various stages to ensure that the vehicle meets all governmental standards and company performance standards.

Vehicles are often operated under test conditions for weeks or months, which requires logging and archiving massive amounts of data. In addition, in-vehicle tests often require the use of portable test systems, which are ideally compact, rugged, light in weight and free standing. Given the limited space within the vehicle, they typically must operate wirelessly with no connection to a computer. These in-vehicle datalogging systems must be compatible with a wide array of sensors.

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Topics: automotive, automotive testing

Solving Jet Engine Test Problems Using Ruggedized Test Equipment

Posted by Jon Semancik on Nov 1, 2018 12:00:00 PM

A jet engine is the very definition of “mission-critical.” A critical failure could cause a serious accident that endangers hundreds of lives. To prevent this from happening, manufacturers perform extensive testing on jet engine components, systems, and manufacturing processes.

Jet engine tests involve subjecting the unit under test to extreme temperatures, jets of water, simulated hail, severe vibration, and other harsh conditions. Sometimes test engineers even slam chicken carcasses against engines to simulate bird strikes. These tests can be very costly and take years to develop. Engineers must measure many different parameters during these tests, including temperature, flow, pressure, rotation, strain, and vibration.

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Topics: environmental testing, VTI

Analog-to-Digital Converters are the Heart of Data Acquisition Systems

Posted by Jon Semancik on Oct 25, 2018 12:00:00 PM

Jon Semancik, Director of Marketing, AMETEK Programmable Power

 

Data acquisition systems are at the core of many automatic test systems and industrial control systems. They make various types of physical measurements, such as temperature, pressure, flow, strain, position, and speed, using electronic equipment. The data collected is usually sent to a computer for analysis and display.

 What makes this data collection possible is the analog-to-digital, or A/D, converter. As shown in Figure 1, the analog-to-digital converter takes the analog voltage at its input and outputs a digital word whose value is proportional to the input voltage. The resolution of these A/D converters can be as low as eight bits (256 discrete values) or as high as 24 bits (16,777,216 values).

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Topics: VTI, analog to digital

Automated Functional Test System Provides Environmental Stress Screening Remotely

Posted by Jon Semancik on Oct 18, 2018 12:00:00 PM

Jon Semancik, Director of Marketing, AMETEK Programmable Power

AMETEK VTI Instruments recently delivered an Automated Remote Functional Test System to Tata’s Power Strategic Engineering Division (SED) environmental testing lab in Bengaluru. Tata plans to use the system for environmental stress screening (ESS) of electronic modules and sub-systems. The architecture of the new test system is based on AMETEK VTI Instruments “FlexSys” Series automated test equipment (ATE).

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Topics: environmental testing, VTI, remote sensing

Get Down to Basics When Selecting Your DC or AC Power Supply

Posted by James Schada on Oct 4, 2018 2:00:00 PM

By James Schada, Product Marketing Manager, AMETEK/VTI Instruments


Choosing the right power supply for your test system or application is no small task. Defining the power requirements for your application comes first, but this is only the beginning. Once you know the voltages and currents, you need to figure out how to power and control your source. There are several decisions that will need to be made.

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Topics: VTI, Programmable Power, Programmable Power Solutions

Control Instrumentation with Python

Posted by Jon Semancik on Aug 17, 2018 10:47:44 AM

Interchangeable Virtual Instruments (IVI) is a standard for instrumentation drivers that is designed to reduce the time and effort needed to integrate measurement devices into new or existing systems. It does this by providing a standard application programming interface (API) that defines common measurement functions. This is, in turn, provided by a standard set of shared components that must be used by all compliant drivers and ancillary software. These components provide services to drivers and driver clients that need to be common to all drivers.

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Topics: VTI

Incorporating COTS Components Eases RF/Microwave Test System Design

Posted by AMETEK Customer Service on Aug 10, 2018 11:32:18 AM

In early 2012, engineers at a prime aerospace manufacturer were assigned the task of replacing several existing integrated test adapters (ITAs) used to test multiple line replaceable units (LRUs) belonging to an Air Force program. One goal was to replace the existing ITAs with as much commercial off-the-shelf (COTS) technology as possible. 

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Ensure Quality Battery Tests Using AMETEK VTI Instruments' EX1401

Posted by AMETEK Customer Service on Jun 15, 2018 2:48:34 PM

The EX1401's accuracy, isolation, and sampling rate make it an ideal choice for battery testing.
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Topics: VTI

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