High-Accuracy Digital Contact SensorGT2 series


Sensor Head High-precision, Low Measuring Force Type, Air Cylinder Model


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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

0.4 N*2

Side mounting

0.3 N*2

Upward mounting

0.2 N*2

Sampling cycle

1 ms

Fluid used

Dry air

Operation indicator light

2-color LED (red, green)

Environmental resistance

Enclosure rating


Pressure resistance

1 MPa

Withstand pressure

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

Shock resistance

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


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 Stainless steel, super-tough tungsten alloy*3

Sensor head cable

Optional (connect to the M8 connector)


Approx. 145 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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