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          4. Contact Displacement Sensors (Probes) / LVDT
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          7. Sensor Head

          Contact-type Displacement SensorAT3 series

          Sensor Head


          [Discontinued model]

          This model has been discontinued.

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          Sensor head

          Measurement range

          ±0.5 mm±0.02"

          Analog output voltage

          Output voltage



          100 Ω

          Disconnection alarm output

          NPN open collector 100 mA max. (40 V max.), Residual voltage: 1 V max.


          0.2 µm


          0.5% of F.S.*1

          Measurement force

          0.88 N*2

          Temperature characteristics

          0.02% of F.S./°C*3


          Power voltage

          12 to 24 VDC ±10 %, Ripple (P-P) 10 % or less

          Environmental resistance

          Enclosure rating

          IP67 (IEC standard)*4

          Ambient temperature

          -10 to +80 °C 14 to 176 °F (No freezing)

          Relative humidity

          35 to 85 % RH (No condensation)


          Approx. 80 g*5

          *1 “F.S.” indicates the measurement range.
          *2 Displays typical measurement pressure values at the zero-point position. Also, be aware that the measurement pressure changes depending on the state of dust boot installation.
          *3 Indicating the typical value at a temperature of 0 to 50°C 32 to 122°F.
          *4 The specification may not be satisfied when the contact and dust boot have been replaced.
          *5 This includes the sensor cord weight.

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          Measurement Sensors