Cylindrical Compact Inductive Proximity Sensor GX (Discontinued Products)

• The tightening torque should be as given below.

<Shielded of threaded type>

• Tighten the set screw on the flat surface of the sensor without applying excessive force. Make sure to use a set screw with a cup-point end.

		Note: To fasten GX-5M□, use a M3 or less set screw.
		Model No. Set screw tightening position A (mm in) Tightening torque GX-5M□ 5 to 10 0.197 to 0.394 0.29 N·m GX-8M□ 8 to 22 0.315 to 0.866 0.29 N·m

<Non-threaded type and non-shielded of threaded type>

Model No. B (mm in) C (mm in) Tightening torque GX-3S□ 5 to 10 0.197 to 0.394 3 0.118 0.29 N·m   When using the C bracket 0.58 N·m GX-4S□ 5 to 10 0.197 to 0.394 3 0.118 0.58 N·m GX-5S□ 8 to 20 0.315 to 0.787 5 0.197 0.29 N·m GX-8ML□ 13 to 22 0.517 to 0.866 10 0.394 0.29 N·m Note: The protrusion should be kept C (mm in) or more to avoid reduction of sensing range.

• To fasten GX-3S□ and GX-4S□, use a M3 or less set screw and tighten it from a direction perpendicular to the operation indicator.

• When using the C bracket, place it on the sensor at a distance of 3 mm 0.118 in or more from the sensor end.

• To fasten the non-shielded threaded type, tighten the set screw on the flat surface of the sensor.

• Note that the maximum tightening torque differs according to the location of the nuts.

<Shielded of threaded type>

<Non-shielded of threaded type>

• The root truncation of the threads with GX-8M□ and GX-8ML□ is shallow owing to strengthening of the sensors against tightening.
  When tapped hole on equipment to fix the sensors, the prepared hole must be ø7.2 mm ø0.283 in or more.

• As metal around the sensor may affect the sensing performance, pay attention to the following points.

• The surrounding metal will affect the sensing performance. Keep the minimum distance specified in the table below.

Model No. E (mm in) GX-3S□ 3 0.118 GX-4S□ 3 0.118 GX-5S□ 4 0.157 GX-5M□ 3 0.118 GX-8M□ 4 0.157 GX-8ML□ 8 0.315

• Sensing range may decrease if the sensor is completely embedded in metal. Especially for the non-threaded type and the non-shielded type, keep the minimum distance specified in the table below.

Model No. F (mm in) G (mm in) GX-3S□ ø12 ø0.472 3 0.118 GX-4S□ ø12 ø0.472 3 0.118 GX-5S□ ø15.4 ø0.606 5 0.197 GX-8ML□ ø30 ø1.181 10 0.394

• When two or more sensors are installed in parallel or face to face, keep the minimum separation distance specified below to avoid mutual interference.

Face to face mounting Parallel mounting

Model No. H (mm in) J (mm in) GX-3S□ 16 0.630 16 0.630 GX-4S□ 16 0.630 16 0.630 GX-5S□ 20 0.787 15 0.591 GX-5M□ 10 0.394 10 0.394 GX-8M□ 20 0.787 15 0.591 GX-8ML□ 50 1.969 30 1.181

• The sensing range is specified for the standard sensing object. With a non-ferrous metal, the sensing range is obtained by multiplying with the correction coefficient specified below. Further, the sensing range also changes if the sensing object is smaller than the standard sensing object or if the sensing object is plated.

• Do not use during the initial transient time (10 ms) after the power supply is switched on.
• Make sure that stress by forcible bend or pulling is not applied directly to the sensor cable joint.
• GX-3S□, GX-4S□ and GX-5M□ do not incorporate a short-circuit protection circuit at the output. Do not connect them directly to a power supply or a capacitive load.