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          7. Sensor Head, High-precision Type

          High-Accuracy Digital Contact SensorGT2 series

          Sensor Head, High-precision Type



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          Detection system

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

          Measuring range

          12 mm 0.47"


          0.1 μm 0.004 Mil

          Indicated accuracy

          1 µm 0.04 Mil (p-p)*1

          Measuring force

          Downward mounting

          1.0 N*2

          Side mounting

          0.9 N*2

          Upward mounting

          0.8 N*2

          Sampling cycle

          1 ms

          Mechanical response

          10 Hz*1

          Operation indicator light

          2-color LED (red, green)

          Environmental resistance

          Enclosure rating


          Ambient temperature

          -10 to +55 °C 14 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

          Shock resistance

          1,000 m/s2 (IEC60068-2-27)


          Main body

          Main body cast: Zinc die-casting, Indicator: Polyarylate, Dust boot: NBR

          Dust boot



          TYPE304 Stainless steel, super-tough tungsten alloy*3

          Sensor head cable

          Optional (connect to the M8 connector)


          Approx. 95 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 The contact is included with the sensor.

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          Measurement Sensors