High-Precision Linear Displacement Transducer Sensors: Advanced Position Measurement Solutions

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linear displacement transducer sensor

A linear displacement transducer sensor is advanced type of measuring equipment that changes movement into electrical signals, accurate position feedback in a wide range of industrial processes. Based on electromagnetic induction, this versatile sensor reads a primary coil and several secondary coils impulse an linear movement. The sensor includes a cylindric housing in which are disposed said coils and a sliding core in this housing. As the core moves, the magnetic coupling between coils changes and produces proportional electrical output signals that correspond closely to the position of the measured object. The camera provides excellent resolution up to micrometer, so it is suitable for high precision application. These are excellent sensors for tough industrial environments with high temperature, vibration, and exposure to a wide range of contaminants.
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A linear transducer sensor has several interesting properties that also makes it useful for current industrial applications. Their maintenance-free devices also offer the advantage of non-contact measurement, which eliminates mechanical wear and results in lower maintenance and longer service life. The sensors are also highly precise and repeatable (down to the micrometer), guaranteeing repetitive and reliable measurements throughout their lifetime. They are durable and withstand varying temperatures and vibration; therefore, they maintain their performance integrity even in tough industrial environments. These sensors provide position feedback in real time with almost no lag, and they are particularly suitable for high speed automation systems and precision control applications. The output is linear with position, avoiding the need for sophisticated signal processing or calibration methods. They have diversity in measurement range, covering a few millimeters to a few meters and work well. The robustness, with which the sensors can operate in challenging environments, dust, moisture, condensation and with being able to withstand chemicals, makes them well suited to manufacturing and heavy industry applications. They are easy to integrate with existing control systems and output data in industry-standard formats - that means easier and less expensive deployment. Furthermore these sensors have an outstanding long term stability, therefore drifts can be ignored, calibrations does not have to be checked too often, maintenance is low and system reliability is better.

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linear displacement transducer sensor

Superior Measurement Accuracy and Reliability

Superior Measurement Accuracy and Reliability

LDT linear displacement transducer sensors offer highly accurate and reliable position measurement in a rugged, heavy-duty package. The core underlying technology in the sensor applies the principle of differential inductance, with resolution down to micrometers. This high level of precision is consistent across the entire measurement range and provides accurate position feedback in demanding applications. The sensor itself includes temperature compensation means which reduces drift and maintains the calibration stability in a wide range of environmental conditions. The non-contact measuring principle does not cause any mechanical wear or hysteresis effects which would impair the accuracy of the measurement device in the long run. This kind of precision and consistency is critically important in the case of, for example, CNC machine tools, automatic assembling machines and measuring and testing machines.
Robust Environmental Resistance

Robust Environmental Resistance

Linear displacement transducer sensors are extremely rugged for use in industrial environments. A sensor housing is often composed of high-quality materials which are well suited to protecting against mechanical load and vibration and against thermal expansion. Its sealed structure protects it from dust, water and chemicals, for reliable use in harsh environments. These sensors are able to work reliably in a wide temperature range, which covers temperatures from sub-zero to high temperatures produced in industrial applications. The electromagnetic technology itself delivers superior immunity to electrical and electromagnetic noise, enabling the sensors to operate in high electrical noise environments. This environmental immunity greatly minimizes on going maintenance and prolongs the life of the sensor, lowering the total cost of ownership.
Versatile Integration and Application Flexibility

Versatile Integration and Application Flexibility

Linear displacement transducer (LDT) sensors are extremely versatile in both integration and application potential. Their standard output signals in analog voltage, analog current, or digital, make them compatible with practically any control and measurement system. The sensors are readily adaptable for different measuring ranges and resolution requirements. Compact size with various mounting options make them easy to fit in tight spaces for intricate mechanical assemblies. Both types of sensors offer an absolute and a relative mode of measuring positions, which makes them versatile in the measuring sector. The fact that these valves can be used in different flow directions, and are not dependent on orientation, and also that they have a high tolerance against misalignment, greatly simplifies installation and maintenance. The sensors can be incorporated in current systems with little modification required, which in turn, reduces the complexity and cost of the implementation.