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Distance

Measuring distance, often also called displacement describes measuring the distance between 2 points. This distance is defined in the measuring technique by the distance of the sensor from the target. Thus, the distance measurement can also be designated as displacement, distance or position measurement.
Displacement measurements in geometric measuring technology can be found in almost all application areas.
Different criteria are included for the selection of the appropriate sensor for displacement measurements. The frequency of the distance change can be quasi static or high frequency and determines the measuring speed of the sensor.
Contacting / non-contact
Measurement range (displacement change in mm µm)
Accuracy of the respective displacement position

Related sensors and products

Capacitive displacement and position sensors Eddy current sensors for displacement and position Draw-wire displacement sensors Laser sensors for displacement and position Confocal sensors for displacement and position
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Sensor systems in the car

The use of sensors in modern cars is today indispensable. Everyone is familiar with the application of ABS systems where sensors measure the wheel speed ...

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Automotive

Many applications can be assigned to the automotive area. They range from automobile manufacturing itself to the various automotive suppliers. Quality ...

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Pinching protection

Automatically closing doors, flaps or covers always have the danger of pinching a finger or the hand. There are systems for this which stop the movement ...

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Experimental tests on a drop impact tester

In the automotive industry manufacturers go to great lengths to improve the passive safety of all vehicles in a collision. The so-called crash absorbers ...

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Active suspension cylinder

Modern mobile cranes are always employed when heavy loads must be lifted quickly and at various locations. They are used, for example, in the recovery ...

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Overhead conveyor distance

Overhead conveyors which move automatically through the production process on a rail are used for the transportation of many components. A certain minimum ...

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Engagement length control in high performance screwdrivers

Industrial screwing in automated production systems is carried out by automatic screwdrivers. Apart from the torque, the engagement length is the most ...

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Piston position in hydraulic valves

In hydraulic drives proportional and servo valves control the volume flow of hydraulic oil. In order that an exact dosage, and therefore a controlled movement ...

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On-line inspection of the dimensions of sand-lime bricks

After pressing the sand-lime brick blanks are placed onto a hardening carriage. Even smallest changes in the mixture, moisture, or in the pressing force ...

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Measurement system for the flat setting on carding machines

The setting of the distance between the drum and the flat is crucial for carding quality of fibre, e.g. wool. Investigations have shown that manual gap ...

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Dosing systems for high-viscosity glues

In the automotive industry piston dosing systems are used for glueing car windscreens and windows. These dosing systems supply the highviscosity glue to ...

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Jib lengths of mobile cranes

The current jib length is important when calculating the torque of the load on the crane. This length is measured with an integrated draw-wire sensor. ...

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Crane support distance

A truck-mounted crane is frequently the better solution in many cases where loads have to be lifted. As a mobile solution, safety also plays an important ...

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Exact crusher gap adjustment in rotary crushers

Rotary crushers for quarries or ore mines can grind up to 3500 t of material to the desired grain size in one hour. For this purpose an eccentric bearing ...

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Displacement sensor for washing machines

When the washing machine is loaded, the displacement sensor DRA measures how much the outer drum drops. It also measures the drum’s deflection during ...

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Strip width when trimming metal strips

As different widths are frequently required during the production of metal strips, the strips must be trimmed after the rolling process and both the cutters ...

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Lip Gap Measuring in Paper Manufacture

In paper manufacture the lip gap at the headbox determines the thickness of the paper. Paper machines usually have a lip width between 4 and 6 metres. ...

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Tester for pneumatic actuator

So-called muscles are developed as alternatives to hydraulic cylinders. The hose made of rubber contracts when it is filled with compressed air. An in-house ...

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Control and monitoring of the production sequence in a refinery

In the refinery crude oil is cracked by distillation to give petroleum, kerosene and diesel oil. In the fractional distillation column the crude oil is ...

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Measurement of the tilt angle on tilting trains

Through the application of tilting trains existing track can be traveled at higher speeds and consequently used more efficiently. Displacement sensors ...

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Clutch wear in racing cars

Racing cars are stressed to the limits of their capabilities. It is not without reason that pioneering technologies are often first tested in racing cars ...

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Checking the accuracy of robot trajectories

The measurement of the trajectory accuracy or its reproducibility is carried out along a diagonal straight line in space. The robot moves the measuring ...

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Position checking on robots

The introduction of the international standard ISO 9283 demands new non-contacting measurement methods. The measurement system for the position measurement ...

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Release of satellites into space

order to be able to launch a satellite from the Areane rocket unobstructed into space, the nose cone section, together with the side shield, have to be ...

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Satellite release

If satellites are put into the Earth’s orbit, it is necessary to separate the cone of the rocket from the satellites of the rocket itself. After unlatching ...

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Displacement measurement on slag transporter

Draw-wire sensors are used to reduce the standstill time of slag transporters during the loading and unloading. They are installed on the tipping cylinder ...

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Test facility for shock absorbers

After production the shock absorbers pass through a quality inspection facility on a transport system. Here, they are inspected for dimensional conformance, ...

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Camber / toe angle

The camber or the toe angle is often adjusted during the service life of a passenger car. It is also often necessary to check the adjustments in the development ...

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Ram travel at a pill press

For the examination of cohesion in pharmaceutical mixtures under the influence of pressure non-contacting eddy-current sensors , which measure the travel ...

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Valve

The control piston in a valve controls the oil flow to the hydraulic cylinder. As the piston moves back and forth, drilled holes in the valve body are ...

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Inspection of valve cones

During the automated assembly of cylinder heads, the proper seating of the valve cones is monitored with optoNCDT laser-based triangulation sensors. This ...

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Active damping of liquid-cooled centrifuges

At certain configurations of speed, filling level and design parameters, liquid-filled industrial centrifuges tend to produce unstable running characteristics ...

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Low cost sensors for cylinder applications

Monitoring the movement of gas pressure or hydraulic cylinders is solved very elegantly using an eddy current sensor. This sensor is integrated in the ...

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