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Digital Contact Sensors Replace LVDTs
GT2 Digital Contact Sensors from KEYENCE are rated for 20-million maintenance-free cycles. They feature the world's first "Scale Shot" quartz encoder, pushbutton amplifier controls and large LEDs. Resolution is 0.1µm with ±1.0µm repeatability and no speed errors. Measure flatness, thickness, warpage, twist, maximum/minimum, and average. "Air-Push" models pneumatically extend/retract the contact spindle eliminating costly indexing mechanisms.
Demo and specs.
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