High-Accuracy Digital Contact Sensor

GT2 series

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Amplifier Unit, Pulse Output Type GT2-71D

GT2-71D - Amplifier Unit, Pulse Output Type

*Please note that accessories depicted in the image are for illustrative purposes only and may not be included with the product.


  • CE Marking
  • UL Recognition(c/us)




Mounting type

DIN-rail mount

Current comsumption

1,600 mW (30 V, 53.3 mA max.)

Number of expandable units

Cannot be extended

Indicator lamp

Power supply (green)/Alarm (red) indicator, pulse output indicator (green), input indicator (green)

Pulse resolution

Selectable from 0.1 µm , 0.5 µm , 1 µm, and 10 µm (Factory setting: 0.5 µm )

Minimum phase difference

Selectable from 0.5 µs, 2.5 µs, 5 µs, and 25 µs (Factory setting: 2.5 µs)

Control input

origin return

Input time: 20 ms min.

Output signal

90 ° phase difference, differential square wave (EIA-422 compliant)

Output signal level

+5 V, øA, øA-, øB, øB-, øZ, øZ-: Line driver output

Environmental resistance

Ambient temperature

-10 to +50 °C (No freezing)

Relative humidity

35 to 85 % RH (No condensation)

Vibration resistance

10 to 55 Hz, Double amplitude 1.5 mm, 2 hours in each of the X, Y, and Z directions


Main body case: Polycarbonate, Cable: PVC


Approx. 110 g (including power supply cable)

Data Sheet (PDF) Other Models