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Dynamic Signal Analyzer

Data Translation (Marlboro, MA) announced the DT7837 ARM-based dynamic signal analyzer module for noise and vibration measurement. The computer portion of the module uses a ruggedized BeagleBone Black ARM processor. Complete source code is provided that can be modified and used without any restrictions. The front-end design allows simultaneous measurement of four 24-bit IEPE sensor inputs at a sampling rate of 102.4 kS/s. The module is used for precision measurements with microphones, accelerometers, and other transducers that have a large dynamic range. It also includes a 24-bit stimulus output, tachometer, general-purpose digital I/O, external trigger functions, and counter/timers. The ARM block processor includes BBB functions, FPGA, memory and support peripherals, interfaces for a USB host and client, Ethernet, power, and SD card.

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Corrosion Detection

The ThermoCam LC (TCLC) from EVT Eye Vision Technology (Karlsruhe, Germany) detects surface defects such as cracks, pores, stripes, dents, and corrosion. The infrared camera detects corrosion that is invisible under the surface using the Impuls-Thermography method. The TCLC recognizes the defects as “hot spots.” A flash heats the surface, and the camera records the cooling of the material. Up to 100 images per second are delivered. The camera features noise (NETD) of 0.2 K, a measurement range from -50 to +300 °C, a field of view of 32 x 8 pixels, and opening angle of 40, 60, or 120°.

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Voltage Meter

Dean Technology (Carrollton, TX) announced the HVM40B digital voltmeter for measurement of positive or negative voltages up to 40,000 Volts. It features an LED display, solid-state design, and dual-range measurement providing resolution below 20 kV. Other features include retractable feet, optional tilt handle, and optional rack-mount hardware. Input impedance of 10 giga-ohms minimizes circuit loading. It conforms to UL and CSA standards, and comes with various worldwide power cords.

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Power Monitoring

Microchip Technology (Chandler, AZ) introduced the MCP39F511 single-phase power monitoring IC designed for real-time measurement of AC power. It is designed for use in high-performance commercial and industrial products such as lighting and heating systems, smart plugs, power meters, and AC/DC power supplies. To address industry requirements for better accuracy across current loads, additional power calculations, and event monitoring of various power conditions, the IC provides popular standard power calculations combined with advanced features. The import and export of active energy accumulation, four-quadrant reactive energy accumulation, zero-crossing detection, and dedicated PWM output have been integrated on-chip, along with the ability to measure active, reactive, and apparent power; RMS current and RMS voltage; line frequency; and power factor.

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Accelerometers

PCB® Automotive Sensors Division (Depew, NY) offers MEMS DC response accelerometers for improving the precision of low-frequency vibration and motion in automotive applications. Available in full-scale ranges from ±2g to ±200g, the accelerometers come in single-axis (Series 3711E and Series 3741E) and triaxial (Series 3713E) configurations. The units include gas-damped, silicon MEMS sensing elements. Series 3711E and Series 3713E have a hermetically sealed titanium case, and Series 3741E units have a rugged anodized aluminum housing for harsh environments.

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Multiphysics Flow Simulations

Computational fluid dynamics (CFD) is often included in multiphysics analyses as a way to understand fluid flow, as well as being the convective mode for other physics. In this webinar, we will explain how to simulate CFD applications in COMSOL Multiphysics® including laminar, turbulent, and multiphase flows interacting with structures (FSI). We will also examine mass transport, electromagnetics, and heat transfer.

Posted in: On-Demand Webinars

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Assisting An Aging Population: Designing Medical Devices With Force Sensing Technology

With the geriatric population on the rise, design engineers are challenged with designing responsive, noninvasive, user-friendly medical devices that cater to the needs of an older generation. Patients are looking for cost-effective, easy to use assistive tools that help them regain independence and confidence in their everyday life. Force feedback is a key feature for many of these devices that provide the user and doctor with great insight that ultimately results in better quality of life for the patient. Medical devices with force feedback allow design engineers to create innovative products that differentiate them from the competition. 

Posted in: White Papers, White Papers, Electronics

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