Spring-loaded LVDT product lines with 4-20mA output capability

Posted By : Alex Lynn
Spring-loaded LVDT product lines with 4-20mA output capability

It has been announced that NewTek Sensor Solutions has expanded the capabilities of its DC LVDT technology with four to 20mA output capabilities to meet the needs of industrial monitoring and feedback applications. In addition to offering four to 20mA versions of its free-core and spring-loaded LVDTs, the company customises four to 20mA position sensors to customer specifications.

The four to 20mA loop-powered LVDTs are ideal for use in liquid level gauging, robotic automation and industrial automation controls. The four to 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 four to 20mA 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. 

Offering the frictionless operation and high resolution associated with LVDT technology, the four to 20mA sensors offer high resolutions with a standard 0.25% and optional 0.1% maximum non-linearity. Operating from 11 to 28 VDC, the DC-operated linear position sensors are available in full ranges from 0.10” to 20”. NewTek offers its four to 20mA output sensors with built-in surge and polarity protection to guard against voltage spikes and hookup errors.


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