The AL17/19 potentiometers in Ø22 mm housing are suitable for applications where a precise and economical multiturn potentiometer is important. The precision potentiometers of the AL17/19 series are manufactured under the highest quality requirements. In particular, the made of the wirewound resistance element, which is manufactured with know-how of great mechanical precision, stands out among the high-quality components. As a result, the AL17/19 series has superior technical characteristics and enjoys great popularity due to its cost efficiency and numerous customization possibilities. Two connection variants are available for electrical coupling: — version with radially gold-plated connection pins - suitable for blade terminals (2.8 mm) according to DIN 46247 part 3- version with - - completely factory-assembled connector - simplifies assembly and serves to prevent short-circuits. — optionally completely encapsulated housing (IP67) with Binder connector M16
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
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These displacement sensors are potentiometric displacement sensors used for direct measurement, testing and monitoring of mechanical displacements. The spring-loaded control rod eliminates the need of coupling with the measurement object. A prerequisite for a very long life duration of the devices is a parallel alignment of the motion direction of the measurement object and the rod. Areas of application are: Displacement on: —Electromagnets —Hydraulic cylinders —Switches and buttons Measurements of: —Deformation —Bending —Press-fits —Feed strokes Due to the technology employed in potentiometric displacement sensors, they always operate with a sliding contact system. FEATURES: —Measurement ranges: 0 ... 10 mm to 0 ... 150 mm —Non-linearity up to 0.05 % F.S. —Resolution 0.01 mm —Follower roll on request —Optional with internal spring
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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.
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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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