Available. The Keyence GT2-71D is a high-accuracy digital contact sensor amplifier unit designed for precise displacement measurements in industrial automation applications. This model features a pulse output type, providing reliable and accurate data for various measurement tasks. It is mounted on a DIN rail, ensuring secure and stable installation within control panels or machinery. The device operates with a power supply voltage ranging from 10 to 30 VDC, accommodating a variety of industrial power systems. With a power consumption of 1,600 mW or less, it offers energy efficiency without compromising performance. The GT2-71D supports pulse resolutions selectable from 0.1 μm to 10 μm, allowing users to choose the level of precision required for their specific application. It also offers selectable minimum phase differences of 0.5 μs, 2.5 μs, 5 μs, and 25 μs, providing flexibility in timing accuracy. The control input for origin return is a no-voltage input, compatible with both contact and non-contact types, with an input time of 20 ms or more. The output signal is a 90° phase difference differential square wave, compliant with EIA-422 standards, with a signal level of +5 V. Environmental resistance includes an operating temperature range from -10 to +50 °C and a relative humidity range from 35% to 85% RH, ensuring reliable performance in various industrial environments. The device is constructed with a polycarbonate main body case and a PVC cable, offering durability and resistance to industrial conditions. The weight of the GT2-71D is approximately 110 g, including the power supply cable.