Displacement Transducer


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Displacement Transducer

 

a measuring transducer that converts a linear or angular displacement into an electric, mechanical, pneumatic, or other signal suitable for recording, long-distance transmission, or further conversion. Capacitance sensors, inductance sensors, transformer, resistive, stringed, photoelectric, jet, induction, and electrodynamic transducers, as well as coding disks, can be used as displacement transducers.

A distinction is made between displacement transducers for small displacements (from several microns to several centimeters) and for large displacements (from tens of centimeters to several meters). Greater displacements are measured by means of traveling transducers. The greatest sensitivity for the measurement of small displacements is provided by photoelectric sensors, capacitance sensors, and some types of inductance sensors. Displacements associated with deformations in mechanical components are measured by strain gauges, which usually have amplifiers.

References in periodicals archive ?
The prokinetic activity of ranitidine was recorded with the help of displacement transducer.
1 acceleration pulse was excluded due to the chest displacement transducer becoming dislodged from its track during the test.
In the laboratory, trials measurements were made using the plug displacement transducer, the sensors for plug force and cavity pressure, the cavity air thermocouple, and the IR sheet sensor.
The GEMCO 953A (analog), 953D (digital) and 953S (SSI) VMAX linear displacement transducers, which offer an active measuring range of up to 300" and power supply voltages ranging from 7 to 30 VDC--analog output units offer programmable zero and span.
Using a linear variable displacement transducer, they determined the misalignment conditions.
Tracheal tissue was connected to the oxygen tube of organ bath and the other end was tied to a Research Grade Isometric Force Displacement Transducer Harvard Model No 72-4494 (England) by means of a thread.
Test rig vibration--measuring diagram of wire rope with broken wire: 1--test rig body; 2 and 3--rope supports; 4--wire rope; 5--sensor Tr4 frame; 6--linear displacement transducer Hottiger Tr102; 7--linear displacement transducer Hottiger Tr4; 8--exciter amplifier 2706; 9--amplifier Hottiger KWS 503 D; 10--generator for electro dynamic mini exciter type 1027; 11--electro dynamic mini exciter type 4810; 12--the portable measurement results processing station Machine Diagnostics Toolbox Type 9727 with laptop DEEL; 13--sensor Tr102 frame; 14--piece of wire rope
The company says the ICT800 and ICT820 models combine the best features of the company's LVDT and potentiometer technologies into a single, rugged and reliable displacement transducer which, using contactless inductive coil technology, means both provide an almost limitless and maintenance-free working life with a class-leading body-to-stroke length ratio.
com)-- The T24-RA wireless potentiometer module is designed for the collection and processing of potentiometer related measurements such as provided by a linear displacement transducer.
A digital encoder mounted directly to the loading actuator provides accuracy and resolution surpassing that possible with a standard linear displacement transducer.
The actuator's hydraulic piston contacts the conventional poppet valve and a displacement transducer is located around the actuator body to accurately monitor the position of the actuator piston and hence the position of the engine poppet valve.
The axial displacement was measured with a pressure-proof displacement transducer (LVDT) attached to the lower end cap.