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| The latest information on Electrical &
Electronic Components
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July 3, 2008
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Top Stories
1. Recording Reality with 700 Megapixels
2. Sensor Sense: Resistive Strain Gauges
3. Sports Car to be Fully Electric
Featured Content
1. Electrical Wire Fire
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Recording Reality with 700
Megapixels
Imagine a digital camera with a resolution of unbeatably high
caliber. Such a device would give you the edge on examining
competitor’s parts, inspecting hard-to-reach installations, and
documenting the scene of an accident. The only problem is that you’d
still need a ruler, pencil, and paper to preserve the relativism –
unless, of course, that camera could take 3D images.
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Sensor Sense: Resistive Strain
Gauges
Strain gages carry the weight of responsibility for many different
types of sensors, including those for pressure, load, torque, and
weight. However, their operation is based on only a simple physical
property of materials: The measured resistance of a material depends on
its length and cross-sectional area. Find out how developers are working
to improve them.
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Sports Car to be Fully Electric
In today’s market, it’s fair to say that modern cars bear
striking resemblances to electric shavers. Perhaps taking inspiration
from this design trend (with a focus on going green), Advanced
Mechanical Products, of Cincinnati, OH, plans to start delivering the
Amp, a fully electric sports car based on the two-seat Saturn Sky. The
initial run is set to be about 300 cars. Take a look and see how
they’ll be doing it.
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Photoelectric sensor
The E58 Series photoelectric sensor has a background rejection
sensor with a two-wire circuit design. Extremely resistant to chemical
attack, moisture intrusion, and heavy shock and vibration, the
sensor’s stainless-steel, PVDF, and tempered-glass components are
mechanically assembled using FKM seals. Available with both ac and dc
operation in a single unit, the sensors come in 18 and 30-mm diameters.
The sensor’s visible sensing beam allows for quick setup and
alignment.
More Information:
Omega Engineering
Inc.
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Power supplies target motors, pumps
The HWS300P and HWS600P Series power supplies are for industrial
equipment such as motors and pumps that demand high peak currents. The
Series is said to deliver up to 300% peak output power.
The units come in three nominal output voltages - 24, 36 and 48 V - and
each can be adjusted up to +10%/−20% of nominal voltage to
accommodate non-standard system voltages. The supplies accept 85 to
265-Vac input voltages and comply with SEMI F47 (with 200-Vac line or
higher) and EN61000-3-2 harmonic and power-factor correction standards.
Standard are remote on/off and dc good signals, and
overvoltage/overcurrent protections, and the 600-W model has a
current-share signal for paralleling two units.
The power supplies' internal fan permits operation at −10 to
70°C ambient.
More Information:
Lambda
Americas
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Electrical Wire Fire
A note for designers - "new" does not necessarily mean "better."
Here, a high voltage electrical transmission line, fresh from
installation, explodes just outside of its sub-station.
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