In this high-cycle gaging application, the sensors make multiple contacts with the auto part, taking precise measurements used to determine if it is in or out of tolerance. The high repeatability and rugged construction of the LVDT make it reliable for well over 1 million cycles with near zero drift. With measurement ranges of ± 0.04 to ± 2 inches, the gage heads operate over a wide operating temperature range while performing at a linearity ±0.15% of full range. In addition to its standard, off-the-shelf units, NewTek Sensor Solutions offers its Spring-Loaded Gage Heads with a variety of custom options including right angle connectors, temperature ranges up to 200°C, mild radiation resistance to 30 MRad, pneumatic probes and custom spring rates. NewTek offers both DC- and AC-operated versions of its spring-loaded LVDTs. While DC versions offer the convenience of internal electronics, the AC units can tolerate hostile conditions such as high temperatures and vibration that can exceed the electronic limits of DC-operated sensors. NewTek’s NTC-6000 signal conditioner provides the electronic excitation to the AC-operated sensor and converts measurements to a variety of output options including DC voltage, 4-20 mA current and RS-485 digital for input into a PLC.
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