The series MM10 without spring return / MMR10 with spring return is used in applications with very confined space, which require a miniaturized displacement sensor with long lifespan, high accuracy and guided push rod on both sides. The linear potentiometers of the series MM10 / MMR10 are especially space-saving designed and therefore very suitable for applications with very confined space. The potentiometric distance measurement is carried out with a high-resolution conductive plastic resistive element. Thanks to this Comolded conductive plastic technology and the high-quality sleeve bearings, the compact displacement encoder has a very long lifetime and high accuracy due to its good linearity. In the displacement sensor series MM(R)10 the mechanical detection of linear movement is done by a rear and front guided push rod. The displacement sensor can be used both as a probe and with a guided push rod. The internal or external spring return opens up additional applications.
NOVOTECHNIK MESSWERTAUFNEHMER OHG
Germany
With the ever increasing automation of assembly lines, users are finding that values for absolute linearity are steadily gaining importance. Unlike independent linearity, for absolute linearity the reference slope is fully defined (Fig. 8) so that there is no need for subsequent system trimming. The definition of an index point establishes a relationship between the mechanical input value (travel or angle) and the output voltage. Potentiometers whose linearity is defined by these criteria can be installed without a need for subsequent adjustment. As with independent linearity, it is best to determine the absolute linearity of a potentiometer by comparing its output with that of a master potentiometer. With absolute linearity, it is frequently necessary for the tolerance fields to be stepped. Fig. 9 shows a practical example. Fig. 8 Fig. 9
Request for a quoteBURSTER PRÄZISIONSMESSTECHNIK GMBH & CO KG
Germany
Displacement sensors models 8710 and 8711 with resistance tracks made of conductive plastic material are designed for a direct and accurate measuring of mechanical displacements. A special ball joint coupling is mountable on both ends of the driving rod. Because of this the sensor may be used free of clearance or lateral forces also with angular or parallel misalignment between sensor and measuring device. A special multi-fingered slider provides a good electrical contact also at high adjustment speeds or vibrations. Areas of application are: —Electromagnets —Switch and button deflections —Pneumatic cylinders —Press-fits (longitudinal press-fits) —Hydraulic cylinders —Measurements of deformation and bending —Length tolerances —Feeding paths Due to the technology employed in potentiometric displacement sensors, they always operate with a sliding contact system.
Request for a quoteSIKO GMBH
Germany
Through hollow shaft Ø 14 mm. Adaptation to various measurement distances owing to a wide range of gear ratios. Compact, low-cost design. Potentiometer or power output. Easy mounting.
Request for a quoteELAP AUTOMAZIONE INDUSTRIALE
Italy
Thanks to their small size – 21 mm square section case – the linear potentiometers seris PT2S can be profitably employed for those applications where limited dimensions are a critical factor. Two ball joints are provided at both ends for air fixing. The series strokes range from 25 to 150 mm. The electrical connection is granted by means of M12 connector. The stout extrused aluminium case grants a high protection degree against environmental agents.
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