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          7. Sensor head: Short-range pencil type

          High-Accuracy Digital Contact SensorGT2 series

          Sensor head: Short-range pencil type



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          Detection system

          Differential transformer

          Measuring range

          1 mm 0.04"*2

          Operating range

          2 mm 0.08"*2


          0.1 µm

          Indicated accuracy

          1 µm (P-P)*3*4

          Measuring force

          Downward mounting

          1.12 N*5

          Side mounting

          1.1 N*5

          Upward mounting

          1.08 N*5

          Sampling cycle

          1 ms

          Mechanical response

          40 Hz*4

          Operation indicator light

          2-color LED (red, green)

          Environmental resistance

          Enclosure rating

          IP67G (JIS)*6, IP67 (IEC)

          Ambient temperature

          -10 to +55 °C 14 to 131 °F (No freezing)

          Relative humidity

          10 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 case: SUS440C, Sensor head-relay connector cable: PUR, Relay amplifier: PPSU

          Dust boot



          SUS304, cemented tungsten carbide*7

          Sensor head cable

          Optional (connect to relay connector)


          Approx. 30 g (not including cable)*8

          *1 Note: You may not be able to connect the sensor head to the amplifier unit depending on when the amplifier unit was purchased. For details, contact your local sales office.
          *2 The measuring range represents the range at which measured values can be displayed. The operating range is the actual movable range of the spindle.
          *3 Within ±0.15 mm 0.006" from the center of the measuring range, the width for any 0.1 mm 0.004" is 1 µm. The entire area is 2 µm.
          The linearity for the entire measuring range is ±0.15 % of F.S. (F.S.: 1 mm 0.04")
          *4 Value when the ambient temperature is 20 °C 68 °F.
          *5 Representative value at the center of the measuring range. Please note that the measuring force varies depending on the installation orientation of the dust boot.
          *6 When an M8 oil-resistant cable (GT2-CHP2M/CHP5M/CHP10M) is used for the sensor head cable.
          *7 Contacts are available as options sold separately.
          *8 Including the relay connector.

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          Measurement Sensors