(Vibration and Acceleration Sensing)
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An accelerometer is an instrument that senses the motion of a surface to which it is attached, producing an electrical output signal precisely analogous to that motion. The ability to couple motion,... (View Full Article)
(Vibration and Acceleration Sensing)
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To calibrate a vibration accelerometer is to accurately determine its sensitivity (in mV/g or pC/g) at various frequencies of interest. The ISA approved back-toback comparison method is probably the... (View Full Article)
(Wire and Cable)
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By nature, cables are usually the weakest part of any measurement system. Because they are somewhat fragile, they must be handled with care. The weakest point on the cable assembly is the intersection... (View Full Article)
(Vibration and Acceleration Sensing)
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Glossary of common sensor terms.... (View Full Article)
(Vibration and Acceleration Sensing)
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Dytran charge mode accelerometers are designed to measure shock and vibration phenomena over a broad temperature range. These accelerometers, unlike the Low Impedance Voltage Mode (LIVM) types,... (View Full Article)
(Power Supplies)
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In order to fully understand the purpose of current source power units, it will be necessary to first understand the operation of the low impedance voltage mode (LIVM) sensors with which the power... (View Full Article)
(Force Sensing)
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A transfer function of a mechanical system describes its dynamic behavior in response to an applied stimulus (excitation). There are six major transfer functions used in mechanical systems analysis.... (View Full Article)
(Vibration and Acceleration Sensing)
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Low Impedance Voltage Mode (LIVM) accelerometers are designed to measure shock and vibration phenomena over a wide frequency range. They contain integral IC electronics that converts the high... (View Full Article)
(Force Sensing)
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Low Impedance Voltage Mode (LIVM) force sensors contain thin piezoelectric crystals which generate analog voltage signals in response to applied dynamic forces. A built in IC chip amplifier converts... (View Full Article)
(Pressure Sensing)
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Dynamic pressure sensors are designed to measure pressure changes in liquids and gasses such as in shock tube studies, in-cylinder pressure measurements, field blast tests, pressure pump... (View Full Article)
(Force Sensing)
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Low Impedance Voltage Mode (LIVM) sensors are piezoelectric devices with integral FET impedance converting amplifiers. To bias the amplifier, a high value resistor is placed in parallel with the gate... (View Full Article)
(Force Sensing)
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Low Frequency Response - The ability of a sensor to measure very low frquency sinusoidal or periodic inputs (pressure, force and acceleration) with accuracy. This ability is best characterized by a... (View Full Article)
(Force Sensing)
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Piezoelectric sensors (Transducers) measure dynamic phenomena such as force, pressure and acceleration (including shock and vibration). Inside the sensor, piezoelectric materials such as quartz and... (View Full Article)
(Force Sensing)
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Low frequency response, piezo sensors... (View Full Article)