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Built to withstand 400º temperature spikes, the HSTAR 750 Series Hermetically Sealed Position Sensors can withstand the harsh environments and high temperature peaks common in military aircraft and equipment.
As position feedback components for closed-loop servo systems, these LVDT linear position sensors can serve as single or multiple channel devices, depending on redundancy and reliability requirements. Most perform in quad channel systems for military aircrafts such as the C-17 to the JSF fighter. With the advent of ratiometric LVDTs and digital signal processing techniques, the position sensor has greatly improved in temperature stability and accuracy, ensuring greater precision in fuel monitoring and positioning of aircraft. If these feedback sensors were inaccurate, then planes and ships would zig -zag to their destinations while wasting fuel in the process.
Highly versatile in application, the HSTAR 750 Series Hermetically Sealed Sensors can also be used with land vehicles such as tanks and trucks, serving as feedback devices on active suspensions for load leveling as well as artillery platform leveling. A combination of these position sensors with hydraulic actuators ensures a firing platform can be precisely leveled very quickly, even while in motion. By combining the High Temperature Resistant linear position sensor with hydraulics and a suitable gyro system to measure roll and yaw, tank canons can “shoot on the run” versus “stop and then shoot”, reducing critical reaction time. Synchronized firing provides troops a tremendous edge.
In addition to these defense applications, HSTAR LVDT position sensors can be used to monitor moving surfaces such as the skew of flaps of a Boeing 777, the exhaust nozzle of an F-14 as well as the hydraulic reservoir of an F-22. The LVDTs are also used to monitor the position of the Thrust Reverser vanes of the 787.
Macro Sensors offers several standard options for HSTAR 750 units including metric threaded cores, smaller diameters and low mass cores. On special order, the HSTAR 750 sensors can be constructed for immersion in pressurized fluids and exposure to radiation at 3x107 Rads for 40 years. These ¾" (19 mm) diameter AC-operated linear position sensors are available in ranges of ±0.050 inch (±1.25 mm) to ±10.0 inches (±250 mm)
For information, contact Macro Sensors at postionsensors[.]macrosensors.com or refer to the website.
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 AST products and technology, visit the AST website astsensors.com/.
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