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          7. Sensor Head, Air Cylinder Model

          High-Accuracy Digital Contact SensorGT2 series

          Sensor Head, Air Cylinder Model



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          Detection system

          Quartz glass scale, CMOS image sensor projection system, Absolute type (without tracking error)

          Measuring range

          32 mm 1.26"


          0.5 μm 0.02 Mil

          Indicated accuracy

          3 µm 0.12 Mil (p-p)*1

          Measuring force

          Downward mounting

          2.1 N*2

          Side mounting

          1.8 N*2

          Upward mounting

          1.5 N*2

          Sampling cycle

          1 ms

          Operation indicator light

          2-color LED (red, green)

          Environmental resistance

          Enclosure rating


          Pressure resistance

          1 MPa

          Applied pressure range

          0.25 to 0.5 MPa

          Ambient temperature

          0 to +55 °C 32 to 131 °F (No freezing)

          Relative humidity

          35 to 85 % RH (No condensation)

          Vibration resistance

          10 to 55 Hz, Double amplitude 1.5 mm 0.06", 2 hours in each of the X, Y, and Z directions*4


          Main body

          Main body case: Zinc die-casting; Cylinder part: Aluminium alloy;
          Air joint resin part: Polyacetal; Air joint metal part: Brass nickel plating; Indicator: Polyarylate

          Dust boot



          TYPE304, 440C Stainless steel*5

          Sensor head cable

          Optional (connect to the M8 connector)


          Approx. 340 g (excluding cable)

          *1 Value when the ambient temperature is 20 °C 68 °F.
          *2 Value at center of measuring range. Please note that the measurement force changes depending on the installation state of the dust boots.
          *3 Make sure the air tube is connected to the air exhaust joint and that no foreign materials enter inside from the joint.
          *4 In the case where a mounting bracket D is used with GT2-A32 and GT2-A50, the double amplitude becomes 0.75 mm 0.03".
          *5 The contact is included with the sensor.

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          Measurement Sensors