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Spectrum Sensors and Controls has introduced a new line of hollow shaft potentiometers that take up less space, have high resolution, long life and output smoothness. These potentiometers feature an annodised aluminum, thermo plastic design with diameters ranging from 0.860 inch to 2.620 inches and a rotational life of 5 to 50 million cycles minimum. The potentiometers have electrical angles from 26 degrees to 355 degrees ±2 degrees, independent linearity range of ± 0.5% to ± 1.0%, power ratings of 0.5W to 2W at 70 degrees Celsius and a maximum output smoothness of 0.1%. These potentiometers offer a resistance range of 1- 20 kiloohm ±10%, 360 degrees continuous rotation, and require no wiper installation/phasing. These potentiometers are available with a triple cup redundant design for Hi-Rel applications and can be specified with and without connectors.