The CHJ Series is a cylindrical inductive proximity switch range for non-contact detection of metal targets in machine automation and position-sensing circuits. The series covers M8 through M30 body sizes, with flush and non-flush variants selected by sensing distance and model code.
Common Parameters
| Detection type | Inductive metal detection |
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| Mounting style | Flush and non-flush versions |
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| DC 3-wire supply | 10-30VDC, NPN or PNP output, normally open or normally closed versions |
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| DC 2-wire supply | 10-30VDC, normally open or normally closed versions |
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| AC 2-wire supply | 100-240VAC on M12, M18 and M30 versions |
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CHJ8
| Body size | M8 |
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| Sensing distance | 1.5mm flush; 2mm non-flush |
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| Model examples | CHJ8-1.5N1/N2, CHJ8-1.5P1/P2, CHJ8-1.5D1/D2; CHJ8M-2N1/N2, CHJ8M-2P1/P2, CHJ8M-2D1/D2 |
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CHJ12
| Body size | M12 |
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| Sensing distance | 2mm flush; 4mm non-flush |
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| Model examples | CHJ12-2N/P/D/A versions and CHJ12M-4N/P/D/A versions, with normally open or normally closed output |
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CHJ18
| Body size | M18 |
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| Sensing distance | 5mm flush; 10mm non-flush |
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| Model examples | CHJ18-5N/P/D/A versions and CHJ18M-10N/P/D/A versions, with normally open or normally closed output |
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CHJ30
| Body size | M30 |
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| Sensing distance | 10mm flush; 15mm non-flush |
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| Model examples | CHJ30-10N/P/D/A versions and CHJ30M-15N/P/D/A versions, with normally open or normally closed output |
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