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GX-M SERIES

Specifications

DC 3-wire type

Type Shielded type
Model No. Normally open GX-M8A□ GX-M12A□ GX-18A□ GX-M30A□
Normally closed GX-M8B□ GX-M12B□ GX-18B□ GX-M30B□
CE marking directive compliance EMC Directive, RoHS Directive
Max. operation distance
(Note 2,3)
1.5 mm 0.06 in ±10 % 2 mm 0.08 in ±10 % 5 mm 0.20 in ±10 % 10 mm 0.39 in ±10 %
Stable sensing range
(Note 2,3)
0 to 1.2 mm
0 to 0.05 in
0 to 1.6 mm
0 to 0.06 in
0 to 4 mm
0 to 0.16 in
0 to 8 mm
0 to 0.32 in
Standard sensing object Iron sheet 8 x 8 x t 1 mm
0.32 x 0.32 x t 0.04 in
Iron sheet 12 x 12 x t 1 mm
0.47 x 0.47 x t 0.04 in
Iron sheet 18 x 18 x t 1 mm
0.71 x 0.71 x t 0.04 in
Iron sheet 30 x 30 x t 1 mm
1.18 x 1.18 x t 0.04 in
Hysteresis (Note 2) 15 % or less of operation distance (with standard sensing object)
Repeatability (Note 2) Along sensing axis: 5 % or less of operation distance
Supply voltage 12 to 24 V DC ±10 % Ripple P-P 10 % or less
Current consumption 10 mA or less
Output <NPN output type>
NPN open-collector transistor
• Maximum sink current 200 mA
• Applied voltage: 24 V DC or less (between output and 0 V)
• Residual voltage 2 V or less
<PNP output type>
PNP open-collector transistor
• Maximum source current 200 mA
• Applied voltage: 24 V DC or less (between output and + V)
• Residual voltage 2 V or less
  Utilization category DC-12 or DC-13
Short-circuit protection Incorporated
Max. response frequency 5 kHz 5 kHz 2 kHz 1 kHz
Operation indicator Yellow LED (lights up when the output is ON)
Pollution degree 3 (industrial enviroment)
Protection IP67 (IEC) IP69K (DIN), IP68 (IEC) (2 m cable length type only),
IP67 (IEC) (M12 plug-in connector type only)
Ambient temperature –25 to +70 ℃ –13 to +158 , Storage: –40 to +85 ℃ –40 to +185
Ambient humidity 50 % RH or less (at +70 ℃ +158 )
Voltage withstandability 500 V AC for one min. between all supply terminals connected together and enclosure
Vibration resistance 10 to 55 Hz frequency, 0.5 mm 0.02 in double amplitude in X, Y and Z directions for 1.5 hours each
Shock resistance 294 m/s2 acceleration (30 G approx.) in X, Y and Z directions three times each
Sensing range variation
(Note 2)
Within ±10 % fluctuation of sensing range at +23 ℃ +73 and rated voltage in the range of allowable temperature and supply voltage
Material Enclosure: Brass (Nickel plated), Sensing part: PPS
Cable
(except for M12 plug-in connector type)
0.44 mm2 (0.15 mm2 for GX-M8□) 3-core cabtyre cable, 2 m 6.56 ft long
Cable extension Extension up to total 10 m 32.80 ft is possible with 0.34 mm2, or more, cable.
Net weight
(Note 4)
2 m cable length type 40 g approx. 70 g approx. 90 g approx. 150 g approx.
M12 plug-in connector type 15 g approx. 20 g approx. 45 g approx. 110 g approx.
Accessories Nut: 2 pcs.
Type Non-shielded type
Model No. Normally open GX-MK12A□ GX-MK18A□ GX-MK30A□
Normally closed GX-MK12B□ GX-MK18B□ GX-MK30B□
CE marking directive compliance EMC Directive, RoHS Directive
Max. operation distance
(Note 2,3)
7 mm 0.28 in ±10 % 12 mm 0.47 in ±10 % 22 mm 0.87 in ±10 %
Stable sensing range
(Note 2,3)
0 to 5.6 mm
0 to 0.22 in
0 to 9.6 mm
0 to 0.38 in
0 to 17.6 mm
0 to 0.69 in
Standard sensing object Iron sheet 24 x 24 x t 1 mm
0.94 x 0.94 x t 0.04 in
Iron sheet 24 x 24 x t 1 mm
0.94 x 0.94 x t 0.04 in
Iron sheet 45 x 45 x t 1 mm
1.77 x 1.77 x t 0.04 in
Hysteresis (Note 2) 15 % or less of operation distance (with standard sensing object)
Repeatability (Note 2) Along sensing axis: 5 % or less of operation distance
Supply voltage 12 to 24 V DC ±10 % Ripple P-P 10 % or less
Current consumption 10 mA or less
Output <NPN output type>
NPN open-collector transistor
• Maximum sink current 200 mA
• Applied voltage: 24 V DC or less (between output and 0 V)
• Residual voltage 2 V or less
<PNP output type>
PNP open-collector transistor
• Maximum source current 200 mA
• Applied voltage: 24 V DC or less (between output and + V)
• Residual voltage 2 V or less
  Utilization category DC-12 or DC-13
Short-circuit protection Incorporated
Max. response frequency 2.5 kHz 1 kHz 0.5 kHz
Operation indicator Yellow LED (lights up when the output is ON)
Pollution degree 3 (industrial enviroment)
Protection IP69K (DIN), IP68 (IEC) (2 m cable length type only),
IP67 (IEC) (M12 plug-in connector type only)
Ambient temperature –25 to +70 ℃ –13 to +158 , Storage: –40 to +85 ℃ –40 to +185
Ambient humidity 50 % RH or less (at +70 ℃ +158 )
Voltage withstandability 500 V AC for one min. between all supply terminals connected together and enclosure
Vibration resistance 10 to 55 Hz frequency, 0.5 mm 0.02 in double amplitude in X, Y and Z directions for 1.5 hours each
Shock resistance 294 m/s2 acceleration (30 G approx.) in X, Y and Z directions three times each
Sensing range variation
(Note 2)
Within ±10 % fluctuation of sensing range at +23 ℃ +73 and rated voltage in the range of allowable temperature and supply voltage
Material Enclosure: Brass (Nickel plated), Sensing part: PPS
Cable
(except for M12 plug-in connector type)
0.44 mm2 (0.15 mm2 for GX-M8□) 3-core cabtyre cable, 2 m 6.56 ft long
Cable extension Extension up to total 10 m 32.80 ft is possible with 0.34 mm2, or more, cable.
Net weight
(Note 4)
2 m cable length type 75 g approx. 100 g approx. 180 g approx.
M12 plug-in connector type 25 g approx. 55 g approx. 140 g approx.
Accessories Nut: 2 pcs.

Notes:
1) Where measurement conditions have not been specified precisely, the conditions used were an ambient temperature of +23 ℃ +73.4 .
2) It is the value in state where the circumference of a detection side has a metal object.
3) The maximum operation distance stands for the maximum distance for which the sensor can detect the standard sensing object.
The stable sensing range stands for the sensing range for which the sensor can stably detect the standard sensing object even if there is an ambient temperature drift and/or supply voltage fluctuation.
4)The weight includes the weight of two nuts.

DC 2-wire type

Type Standard type
Model No. Normally open GX-M8A-U(-J) GX-M12A-U(-Z) GX-M18A-U(-Z) GX-M30A-U(-Z)
Normally closed GX-M8B-U(-J) GX-M12B-U(-Z) GX-M18B-U(-Z) GX-M30B-U(-Z)
CE marking directive compliance EMC Directive, RoHS Directive
Max. operation distance
(Note 2,3)
1.5 mm 0.06 in ±10 % 2 mm 0.08 in ±10 % 5 mm 0.20 in ±10 % 10 mm 0.39 in ±10 %
Stable sensing range
(Note 2,3)
0 to 1.2 mm
0 to 0.05 in
0 to 1.6 mm
0 to 0.06 in
0 to 4 mm
0 to 0.09 in
0 to 8 mm
0 to 0.22 in
Standard sensing object Iron sheet 8 x 8 x t 1 mm
0.32 x 0.32 x t 0.04 in
Iron sheet 12 x 12 x t 1 mm
0.47 x 0.47 x t 0.04 in
Iron sheet 18 x 18 x t 1 mm
0.71 x 0.71 x t 0.04 in
Iron sheet 30 x 30 x t 1 mm
1.18 x 1.18 x t 0.04 in
Hysteresis (Note 2) 15 % or less of operation distance (with standard sensing object)
Repeatability (Note 2) Along sensing axis: 5 % or less of operation distance
Supply voltage 12 to 24 V DC ±10 % Ripple P-P 10 % or less
Current consumption (Note 4) 0.5 mA or less
Output Non-contact DC 2-wire type
• Load current: 1.5 to 100 mA
• Residual voltage: 4.2 V or less (Note 5)
  Utilization category DC-12 or DC-13
Short-circuit protection Incorporated
Max. response frequency 1 kHz 1 kHz 1.2 kHz 1.3 kHz
Operation indicator Yellow LED (lights up when the output is ON)
Pollution degree 3 (industrial enviroment)
Protection IP67 (IEC) IP69K (DIN), IP68 (IEC) (2 m cable length type only) , IP67 (IEC) (M12 plug-in connector type only)
Ambient temperature –25 to +70 ℃ –13 to +158 , Storage: –40 to +85 ℃ –40 to +185
Ambient humidity 50 % RH or less (at +70 ℃ +158 )
Voltage withstandability 500 V AC for one min. between all supply terminals connected together and enclosure
Vibration resistance 10 to 55 Hz frequency, 0.5 mm 0.02 in double amplitude in X, Y and Z directions for 1.5 hours each
Shock resistance 294 m/s2 acceleration (30 G approx.) in X, Y and Z directions three times each
Sensing range variation
(Note 2)
Within ±10 % fluctuation of sensing range at +23 ℃ +73 and rated voltage in the range of allowable temperature and supply voltage
Material Enclosure: Brass (Nickel plated), Sensing part: PPS
Cable
(except for M12 plug-in connector type)
0.44 mm2 [0.15 mm2 for GX-M(L)8□-U] 2-core cabtyre cable, 2 m 6.56 ft long
Cable extension Extension up to total 10 m 32.80 ft is possible with 0.34 mm2, or more, cable.
Net weight
(Note 6)
2 m cable length type 40 g approx. 70 g approx. 90 g approx. 150 g approx.
M12 pigtailed(-J type) /
M12 plug-in connector type
20 g approx. 20 g approx. 45 g approx. 110 g approx.
Accessories Nut: 2 pcs.
Type Long range type
Model No. Normally open GX-ML8A-U(-J) GX-ML12A-U(-Z) GX-ML18A-U(-Z) GX-ML30A-U(-Z)
Normally closed GX-ML8B-U(-J) GX-ML12B-U(-Z) GX-ML18B-U(-Z) GX-ML30B-U(-Z)
CE marking directive compliance EMC Directive, RoHS Directive
Max. operation distance
(Note 2,3)
2.5 mm 0.10 in ±10 % 4 mm 0.16 in ±10 % 8 mm 0.32 in ±10 % 15 mm 0.59 in ±10 %
Stable sensing range
(Note 2,3)
0 to 2 mm
0 to 0.08 in
0 to 3.2 mm
0 to 0.13 in
0 to 6.4 mm
0 to 0.25 in
0 to 12 mm
0 to 0.47 in
Standard sensing object Iron sheet 8 x 8 x t 1 mm
0.32 x 0.32 x t 0.04 in
Iron sheet 12 x 12 x t 1 mm
0.47 x 0.47 x t 0.04 in
Iron sheet 18 x 18 x t 1 mm
0.71 x 0.71 x t 0.04 in
Iron sheet 30 x 30 x t 1 mm
1.18 x 1.18 x t 0.04 in
Hysteresis (Note 2) 15 % or less of operation distance (with standard sensing object)
Repeatability (Note 2) Along sensing axis: 5 % or less of operation distance
Supply voltage 12 to 24 V DC ±10 % Ripple P-P 10 % or less
Current consumption (Note 4) 0.5 mA or less
Output Non-contact DC 2-wire type
• Load current: 1.5 to 100 mA
• Residual voltage: 4.2 V or less (Note 5)
  Utilization category DC-12 or DC-13
Short-circuit protection Incorporated
Max. response frequency 1.1 kHz 1.3 kHz 1.5 kHz 0.8 kHz
Operation indicator Yellow LED (lights up when the output is ON)
Pollution degree 3 (industrial enviroment)
Protection IP69K (DIN), IP68 (IEC) (2 m cable length type only) , IP67 (IEC) (M12 plug-in connector type only)
Ambient temperature –25 to +70 ℃ –13 to +158 , Storage: –40 to +85 ℃ –40 to +185
Ambient humidity 50 % RH or less (at +70 ℃ +158 )
Voltage withstandability 500 V AC for one min. between all supply terminals connected together and enclosure
Vibration resistance 10 to 55 Hz frequency, 0.5 mm 0.02 in double amplitude in X, Y and Z directions for 1.5 hours each
Shock resistance 294 m/s2 acceleration (30 G approx.) in X, Y and Z directions three times each
Sensing range variation
(Note 2)
Within ±10 % fluctuation of sensing range at +23 ℃ +73 and rated voltage in the range of allowable temperature and supply voltage
Material Enclosure: Brass (Nickel plated), Sensing part: PPS
Cable
(except for M12 plug-in connector type)
0.44 mm2 [0.15 mm2 for GX-M(L)8□-U] 2-core cabtyre cable, 2 m 6.56 ft long
Cable extension Extension up to total 10 m 32.80 ft is possible with 0.34 mm2, or more, cable.
Net weight
(Note 6)
2 m cable length type 40 g approx. 70 g approx. 90 g approx. 150 g approx.
M12 pigtailed(-J type) /
M12 plug-in connector type
20 g approx. 20 g approx. 45 g approx. 110 g approx.
Accessories Nut: 2 pcs.

Notes:
1) Where measurement conditions have not been specified precisely, the conditions used were an ambient temperature of +23 ℃ +73.4 .
2) It is the value in state where the circumference of a detection side has a metal object.
3) The maximum operation distance stands for the maximum distance for which the sensor can detect the standard sensing object.
The stable sensing range stands for the sensing range for which the sensor can stably detect the standard sensing object even if there is an ambient temperature drift and/or supply voltage fluctuation.
4) It is the leakage current when the output is in the OFF state.
5) When the cable is extended, the residual voltage becomes larger.
6) The weight includes the weight of two nuts.

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