The potentiometer grinding track is embedded in a blue plastic housing and is picked up by precious metal grinders. The back of the housing is sealed dust-tight with a cover. The stainless steel drive shaft is mounted in bushings. Up to 3 potentiometer levels can be lined up one behind the other with a common wiper shaft. The levels can be adjusted against each other. Delivery is possible with or without mechanical stops. The PP 27 potentiometers are used as setpoint adjusters and as actual value and reference potentiometers in control and measuring circuits.
BURSTER 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
The AH36M rotary encoder with teach-in function is a magnetic absolute value encoder with analog output. The user himself can set the rotary encoder's desired measurement range via two external inputs. The device features a batteryless multi-turn technology. Absolute analog encoder. 12 Bit (4096) resoluttion over the measuring range. Operating tmperature until -40 °C. Voltage (0 … 10 V)/ current (4 … 20 mA) outputs. Programmable measuring range via teach-in function with external inputs. Hollow shaft with ø6 mm.
Request for a quoteNOVOTECHNIK MESSWERTAUFNEHMER OHG
Germany
If, in a highly sensitive control system, the amplification should, for example, be so arranged that the control circuit will be stable with the mean slope (gradient) of the sensor, then it is important to be aware of any variations there may be in that slope (Fig. 12a, Fig. 12b). If, at any point, the gradient is appreciably steeper than the mean gradient, then there will be a higher closed-loop gain in this position and this could lead to feedback oscillation. If, on the other hand, the gradient is less steep at some point than the mean gradient, then repeatability would be reduced and there would be less control accuracy. If we relate this type of local gradient variation gl to the mean gradient go of the potentiometer, then this criterion is independent of the potentiometer length and can be used for the direct comparision of various potentiometers.
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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