Kaman Precision Products | Measuring offers a line of
high-precision sensors and systems that provide accurate and precise
non-contact position/displacement feedback in the most hostile of
environments. These inductive-based displacement sensing systems operate
from –320°F to +1,000°F continuous and up to +1200°F short term.

Inconel construction makes them suitable for highly corrosive gas or
liquid environments, and radiation environments.

Kaman’s extreme sensing systems use a dual-coil sensor design to minimize
both thermal and radiation effects. The common mode rejection provided by
the symmetrical design of the dual coils compensates for constant and
slowly changing temperatures from -320°F to +77°F or from 77°F to +1000°F.
Measurement quality is unaffected by most corrosive gasses and liquids and
most other environmental contaminants such as oil, dirt, radiation, and
stray RF and magnetic fields.

All of Kaman’s high-temperature transducers are made with sealed, all
laser-welded Inconel housings and use metal-jacketed, mineral-insulated
cable. The sensors use the versatile Kaman KDM-8200 family of signal
conditioning electronics. Single- and multiple-channel systems are
available in NEMA enclosures or bench-top/ rack-mountable Euro-format
enclosures.  Options are available with and without power supplies and
digital displays.

These high-temperature products were initially designed to measure steam
turbine shaft runout in nuclear power plants.  They have also been used to
measure nuclear fuel rod vibration, shaft vibration/run-out in rocket
engine liquid fuel pumps, chemical processes, research projects, and
high-temperature processing.
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