The LJAS Series is an inductive sensor range for non-contact metal detection where a protected cylindrical sensor body and clear status indication are required. The series covers three body sizes, sharing the same electrical platform and environmental ratings while differing by physical sensor format.
Common Parameters
| Detection object | Magnetic metals; detection distance is shorter for non-magnetic metals |
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| Supply voltage | Rated DC12-24V, usable DC10-30V; AC versions support AC90-250V on M8 and AC24-250V on M12-M30 formats |
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| Operating current | Load current ≤200mA |
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| Residual voltage | ≤1.5V for NPN; ≤2.5V for PNP; ≤4V for DC 2-wire; ≤7V for AC 2-wire |
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| Leakage current | Maximum 0.1mA at 24VDC |
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| Return difference | Less than 15% of detection distance |
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| Protection circuit | DC polarity and overcurrent protection; AC surge absorption protection |
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| Indicator | Dual-light display with green power indicator and red action indicator |
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| Operating temperature | -25°C to 70°C, no icing or condensation |
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| Storage temperature | -40°C to 85°C, no icing or condensation |
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| Humidity | 35-95%, no condensation |
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| Temperature drift | Within ±10% of detection distance at +23°C across -25°C to +70°C |
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| Protection rating | IP67 |
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| Housing material | Chrome-plated brass |
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| Sensing surface material | PBT |
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LJA12S
| Body size | M12 short cylindrical format |
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LJA18S
| Body size | M18 short cylindrical format |
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LJA30S
| Body size | M30 short cylindrical format |
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