Laser distance measurement sensors
The laser distance measurement sensors of the LDM series measure distances between themselves and any solid surface, without contact. By doing so, accuracies of a few millimeters are achieved. With their robust design, the LDMs can be used for a wide range of applications, under tough industrial conditions and over a long period of time.
Advantages
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Type |
LDM4x |
LDS10A |
LDS30A |
LDS70A |
LDM301A |
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Measuring principle |
Phase shift comparison |
Pulsed time-of-flight |
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Measuring range without reflector |
0.1 m … 30 m |
0.1 m … 10 m |
0.2 m … 30 m |
0.2 m … 70 m |
0.5 m … 300 m |
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Max. range with corresponding reflector |
100 m |
40 m |
250 m |
270 m |
3000 m |
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Measuring accuracy |
± 2 mm |
± 50 mm |
± 60 mm (2 kHz) |
± 60 mm (2 kHz) |
≤ ± 50 mm |
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Light source |
650 nm, visible, red Laser |
850 nm, invisible, IR LED |
905 nm, invisible, IR Laser |
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Laser Class (EN60825-1:2014) |
2 |
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1 |
1 |
1 |
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Laser divergence |
0.6 mrad |
3°(receiver) |
3 mrad × 1 mrad |
2 mrad × 0,4 mrad |
1.7 mrad |
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Serial communication interface |
RS232 or RS422 |
RS485 Modbus/RTU |
RS232 or RS422 |
RS232, RS422 (selectable) |
RS232 or RS422 |
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Analogue Output |
4 mA ... 20 mA |
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Optional Interfaces |
Profibus |
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Profibus |
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