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A family of displacement sensors for extreme conditions

| By Mary Page Bailey and Gerald Ondrey

Kaman Precision Products

This company recently launched the Extreme Environment product family of high-precision displacement sensors and associated systems (photo). Three separate systems are available, specifically designed for high-pressure, low-temperature and high-temperature conditions. The Extreme Environment sensors and systems work in operating temperatures ranging from –320 to 1,000°F (over 1,200°F short term). Displacement systems can withstand pressures up to 5,000 psi. Their dual-coil sensor design effectively minimizes temperature effects. All high-temperature transducers are made with hermetically sealed, all laser-welded Inconel housings and use an Inconel-jacketed, mineral-insulated cable. The sensors are unaffected by environmental contaminants and can withstand corrosive gas or liquid environments, says the manufacturer. — Kaman Precision Products, Inc., Middletown, Conn.