8709 Sensore di spostamento potenziometrico (versione miniatura)

Diametro del corpo 12.7 mm, vita utile: 108 spostamenti, velocità di regolazione: fino a 10 m/s

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      • Features

        • Spostamenti misurabili da 0 ... 25 mm e 0 ... 250 mm
        • Non-linearità max. ± 0.05 % F.S.
        • Diametro del corpo 12.7 mm
        • Vita utile: 108 spostamenti
        • Velocità di regolazione: fino a 10 m/s
        • Cavo integrato di 1 m
        • Versioni speciali: snodi sferici di accoppiamento o fissaggio a flangia su richiesta
      • Product data

        Model 8709
        Principle Potentiometric
        Measuring range

        0 … 25 mm
        0 … 50 mm
        0 … 75 mm
        0 … 100 mm
        0 … 125 mm
        0 … 150 mm
        0 … 200 mm
        0 … 250 mm

        Signal output Depending on excitation voltage
        Protection class IP60
        Range of operating temperature -30 ... +100 °C
        Supply voltage Depending on measuring range
        Electrical connection

        Integrated, shielded 1 m cable
        Integrated, shielded 3 m cable
        Integrated, shielded 5 m cable

        Return spring No
        Specific characteristics

        • Housing diameter 12.7 mm
        • Service life: 108 movements
        • Adjustment speed: up to 10 m/s
        • Special versions: Coupling with ball joints or flange fastening by request
      • Description

        Potentiometric displacement sensors are used for direct, precise measurement of mechanical displacements. The mechanical parts of the measuring equipment must be set-up in such a way that the sliding shaft can move without play or lateral forces.

        A special multi-finger slider ensures good contact even when the adjustment speed is high or in the presence of vibration. With its housing diameter of only 12.7 mm, the model 8709 is also suitable for highly compact structures.

        The movable fastening clamps allow the user variable options for attaching the sensor without complication.

        Optionally available adaptations, such as flange and ball joint versions, extend and complement the range of possible applications.

        Typical fields of application include:

        • Measuring the stroke on riveting machines
        • Measuring insertion distances
        • Offset measurements on bearings
        • Spring travel measurements on axes
        • Measurements of the movement of hoisting platforms
        • Length measurements on pipe bending machines

        Due to the technology employed in potentiometric displacement sensors, they always operate with a sliding contact system. Special processes are applied to give the resistance tracks low friction, low tendency to stick/slip, resistance to abrasion and long-term stability.

        The driving rods are guided in long-life, low-friction sliding bearings with close tolerances; this results in highly precise measurements. Transverse forces reduce the service life and can be avoided by using, for instance, ball joint couplings.

        Due to the pump effect, the driving rod has double sliding bearings. All the figures quoted in the data sheet for nonlinearity, service life, reproducibility and temperature coefficient apply to the use of the sensor as a voltage divider with a maximum current of 0.1 µA.

        A ball joint coupling (see accessories) at the end of the sliding shaft minimizes axial errors between the sensor and the equipment.

      • Data Sheet & Downloads

        Data sheet
        Further info

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