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Macro Sensors Subminiature LVDT Linear Position Sensor Serves as Critical Components in Aerospace Applications

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Macro Sensors Subminiature LVDT Linear Position Sensor Serves as Critical Components in Aerospace Applications
Macro Sensors Subminiature LVDT Linear Position Sensor Serves as Critical Components in Aerospace Applications
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Macro Sensors
7300 US Route 130 North, Bldg. 22
Pennsauken, NJ, 08110 1334

Press release date: December 9, 2013

With a lightweight, low mass core and a compact 3/8" diameter, Macro Sensors CD Series of Subminiature LVDT Position Sensors offer the low weight, compact size and accuracy necessary for many of today's aerospace applications with tight space and weight restrictions.

Ideal for high response dynamic measurement such as valve position, the CD Series of Subminiature LVDTs are used in various pneumatic butterfly valve applications (shut-off valve, fan air valve, wing anti-ice valves) on business jet applications. These AC-operated Linear Displacement Sensors also provide reliable displacement measurement for monitoring fuel/oil level and flight surfaces of airplanes as well as load leveling of artillery platforms and rudder positions of aircraft carriers, tankers, ships, submarines and UAVs.

With the advent of ratiometrics and digital signal processing techniques, Macro Sensors linear position sensors have greatly improved in temperature stability and accuracy. The subminiature Linear Position Sensors feature excellent repeatability (error of <0.01% of FSO) and high resolution . Environmentally robust, the CD 375 LVDTs operate in temperature extremes of -65F to +220F (-55C to +105C). Macro Sensors also offers high pressure and temperature configurations that operate up to +400 F (+200C) and under pressures up to 20 Kpsi. Stainless steel housings and epoxy encapsulation protects units from environmentally hostile conditions.

Macro Sensors Subminiature Linear Position Sensors can be customized with Teflon bore liners and metric threaded cores as well as different lead wire exit points and connectors. Units are available in measurement ranges from 0.025" (0.63mm) to 1.0" (25.0mm) and offer a 50% larger core-to-bore radial clearance of 0.012" (0.30mm) than similar-sized competitive units. Custom versions operate in pressurized fluids, higher ambient temperatures as well as in mild nuclear radiation environments.

Interchangeable with other manufacturer units, the CD 375 Series LVDTs operate with conventional differential input LVDT signal conditioners. Macro Sensors manufactures a full line of LVDT signal conditioners that offer optimum performance from any CD 375 Series LVDTs.

For more information, please refer to the web site at or contact the factory at:

About Macro Sensors
Macro Sensors' extensive line of linear and rotary sensors are used for position measurement and feedback in a variety of industrial applications including factory automation, motion control systems, metal fabricating, automotive assembly as well as power plants, gas/steam turbines. Incorporated in 1994, the Company offers more than 200 years of cumulative design and manufacturing experience by its key staff in serving its OEM and end-user international customer base. On June 1, 2005, Macro Sensors was acquired by AST, manufacturer of state-of-the-art (Micro Electro Mechanical Structures) MEMS-based pressure sensors, transducers, and transmitters. Common applications of AST sensor products are in industrial OEM, hydraulic systems, fuel cells, medical gases, HVAC/R, refrigeration, oil & gas exploration/production, and off-road vehicles. For more information on Macro Sensors, refer to

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