Free core and spring-loaded LVDTs output 4 to 20mA

March 19, 2019 //By Julien Happich
Free core and spring-loaded LVDTs output 4 to 20mA
NewTek Sensor Solutions has expanded the capabilities of its DC Linear Variable Differential Transformer (LVDT) technology with 4-20mA output capabilities to meet the needs of industrial monitoring and feedback applications.

In addition to offering 4-20 mA versions of its free-core and spring-loaded LVDTs, the company customizes 4-20mA position sensors to customer specifications. The 4-20 mA loop-powered LVDTs are suitable for use in liquid level gaging, robotic automation and industrial automation controls. The 4-20mA output signal provided by the sensors integrates with a variety of PLCs, digital indicators, computer-based data processors, and QC data collection systems. It also allows for long transmissions and greater noise immunity, ideal for subsea applications requiring long cable runs.

NewTek offers hermetically-sealed versions of its 4-20 mA free-core and spring-loaded LVDTs capable of withstanding dirt, water, steam and other harsh elements. Constructed of TIG welded stainless steel, these DC-operated linear position sensors operate in hostile environments while the loop wiring connects to instrumentation remotely positioned in benign locations. 

NewTek Sensor Solutions -

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