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In-cylinder Mounting Maximizes Sensor Lifetime

Originally Published MPMN October 2002

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In-cylinder Mounting Maximizes Sensor Lifetime

Reliability is also enhanced

The TDP-100 sensor from Transducers Direct offers more than 50 million cycles at a 25-mm stroke length and 250-mm/sec speeds.

An in-cylinder position sensor can function as a cost-efficient alternative to position feedback devices for hydraulic and pneumatic actuators. The TDP-100 sensor from Transducers Direct (Cincinnati) uses high-resistivity conductive plastic bonded to a precision wire-wound element, and offers more than 50 million cycles at a 25-mm stroke length and 250-mm/sec speeds.

The sensor is not only long-lived, it is also highly reliable. Unlike an external sensor, which is susceptible to damage, the TDP-100 sensor mounts safely within a mineral oil–based cylinder pressurized to 7200 psi. It functions properly at temperatures from –30°C to 100°C.

The TDP-100 sensor is available in internal- and external-flange versions to meet the needs of both clevis-style and tie-rod-style actuators. Both versions use integrally molded PUR-jacketed, three-core cabling, which provides strain relief, chemical resistance, and secure sealing. Optional in-line connector versions are also available.

All versions feature contact sliders, which have precious-metal wipers and are designed to work specifically with hydraulic and pneumatic actuators. The removable contact sliders make installing the sensor inside the actuator a simple process.

Sensors can be ordered in stroke lengths from 25 to 200 mm (in 5-mm increments) and 210 to 1100 mm (in 10-mm increments) for use with a wide variety of actuator sizes. Smaller-diameter units are also available for cylinders down to 1 in. stroke length.

Custom-sized TDP-100 in-cylinder position sensors usually are shipped in less than 7 days.

Ani Grigorian

Transducers Direct, 1120 Cottonwood Dr., Loveland, OH 45140; phone: 513-583-9491; fax: 513-583-9476; [email protected]

Copyright ©2002 Medical Product Manufacturing News

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