| Type | Min. sensing object ø14 mm ø0.551 in type (10 mm 0.394 in beam pitch) |
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| Model No. (Note 2) | SF4B- F23 (-01) <V2> |
SF4B- F31 (-01) <V2> |
SF4B- F39 (-01) <V2> |
SF4B- F47 (-01) <V2> |
SF4B- F55 (-01) <V2> |
SF4B- F63 (-01) <V2> |
| No. of beam channels | 23 | 31 | 39 | 47 | 55 | 63 |
| Protective height | 230 mm 9.055 in | 310 mm 12.205 in | 390 mm 15.354 in | 470 mm 18.504 in | 550 mm 21.654 in | 630 mm 24.803 in |
| Current consumption | Emitter: 80 mA or less, Receiver: 120 mA or less |
Emitter: 100 mA or less, Receiver: 160 mA or less |
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| Net weight (Total of emitter and receiver) |
510 g approx. | 660 g approx. | 810 g approx. | 960 g approx. | 1,100 g approx. | 1,260 g approx. |
