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Motorised potentiometer delivers 5 crore cycles

Posted: 26 Jul 2006     Print Version  Bookmark and Share

Keywords:Spectrum  potentiometer 

Spectrum Sensors & Controls has introduced a miniature square motorised potentiometer that promises greater reliability while using less space. Featuring a 1.550-inch2 mounting flange, the design of the potentiometer's stepper motor incorporates 200 steps for a smoother output and longer service life. This motorised potentiometer is ideal for medical shutter control sensor applications.

Spectrum's motorised potentiometers utilise a co-moulded conductive plastic element for a hard smooth surface and greater long-term reliability compared to raised circuit element potentiometers. In Spectrum's process, the termination and resistance materials are simultaneously moulded with the base substrate. This potentiometer has a minimum proven rotational life of five crore (50 million) cycles.

The square stepper potentiometer features special lead wires—for the motor 22 AWG 9.5 inches minimum and for the potentiometer 28 AWG 9.5 inches minimum. The unit provides an electrical angle of 340° ±1°, a power rating of 1W at 70°C, independent linearity of ±five per cent and uses a passivated stainless steel shaft with 0.625 inches flatness. The sensor does not require a coupling and has anodized aluminium housing.

The company's 1.550-inch square motorised potentiometer is priced at Rs.6,874.50 ($150) and up, depending on quantities and configurations.

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