Similar Illustration
Canceled
Only CAD model download is supported
Contrast sensors
Series
21M
Dimension
12 x 50 x 42.5 mm
Interface
NPN normally open/normally closed (NO/NC)
Input function
Key disable on/off
Teach Contrast (switching point)
Teach Contrast (switching point)
Principle of operation
Contrast sensor
Recommended alternative
BKT0001
Contrast sensors
BKT 67M-001-U-S92
Availability
How does the alternative product differ from the discontinued one?
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Alternative products
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Discontinued
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Recommended alternative
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| BKT 21M-002-N-S4 | BKT 67M-001-U-S92 | |
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List price
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302,00 EUR
List price
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| Series | 21M | 67M |
|---|---|---|
| Dimension | 12 x 50 x 42.5 mm | 32 x 64 x 82 mm |
| Interface | NPN normally open/normally closed (NO/NC) | PNP/NPN NO/NC Analog, voltage 1…5.5 V |
| Input function |
Key disable on/off Teach Contrast (switching point) |
Time function on/off |
| Principle of operation | Contrast sensor | Contrast sensor |
| Principle of optical operation | Diffuse sensor, focused | Diffuse sensor, focused |
| Special optical feature | Coaxial Optics | - |
| Beam characteristic | Focused | Focused |
| Light type | White light | blue light/green light/red light |
| Light spot size | Ø 3.5 mm at 19 mm | 1.5 x 5 mm at 9 mm |
| Range | 17...21 mm | 6...12 mm |
| Connection | Connector, M12x1-Male, 4-pin | Connector, M12x1-Male |
| Housing material |
Zinc, Die casting, Powder coated Aluminium |
Aluminium, Die casting, Painted |
| Material sensing surface | Glass | PMMA |
| Operating voltage Ub | 10...30 VDC | 10...30 VDC |
| Approval/Conformity |
cULus CE EAC WEEE |
CE UKCA cULus WEEE |
Only CAD model download is supported