| Type | Shielded type |
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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 |
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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) |
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| Repeatability (Note 2) | Along sensing axis: 5 % or less of operation distance |
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| Supply voltage | 12 to 24 V DC ±10 % Ripple P-P 10 % or less |
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| Current consumption | 10 mA or less |
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| 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 |
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Utilization category | DC-12 or DC-13 |
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| Short-circuit protection | Incorporated |
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| Max. response frequency | 5 kHz | 5 kHz | 2 kHz | 1 kHz |
| Operation indicator | Yellow LED (lights up when the output is ON) |
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| Pollution degree | 3 (industrial enviroment) |
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| Protection | IP67 (IEC) | IP69K (DIN), IP68 (IEC) (2 m cable length type only),
IP67 (IEC) (M12 plug-in connector type only) |
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| Ambient temperature | –25 to +70 ℃ –13 to +158 ℉, Storage: –40 to +85 ℃ –40 to +185 ℉ |
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| Ambient humidity | 50 % RH or less (at +70 ℃ +158 ℉) |
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| Voltage withstandability | 500 V AC for one min. between all supply terminals connected together and enclosure |
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| 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 |
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| Shock resistance | 294 m/s2 acceleration (30 G approx.) in X, Y and Z directions three times each |
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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 |
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| Material | Enclosure: Brass (Nickel plated), Sensing part: PPS |
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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 |
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| Cable extension | Extension up to total 10 m 32.80 ft is possible with 0.34 mm2, or more, cable. |
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| 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. |
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