Specifications
Best in Class Performance with the Specifications to Prove it
Long Range Laser Displacement Sensor Head Specifications
| Type |
Long-distance (2) |
| Model |
Sensor head |
LK-501/503 |
| Controller |
LK-2501/2503 |
| Measurement mode |
High-precision mode |
Long-range mode |
| Light source |
 |
Visible red semiconductor laser |
| Wavelength |
690 nm |
| Pulse duration |
FDA |
3 to 994 µs |
| IEC |
3 to 994 µs |
| FDA class |
Class IIIb (LK-501), Class II (LK-503) |
| IEC class |
Class 3B (LK-501), Class 2 (LK-503) |
| Reference distance |
350 mm 13.78" |
500 mm 19.69" |
| Measuring range |
± 100 mm 3.94" |
± 250 mm 9.84" |
| Minimum spot diameter (at reference distance) |
Approx. 0.7 mm
0.03" |
Approx. 0.3 mm
0.01" |
| Repeatability |
10 µm 0.39 Mil |
50 µm 1.95 Mil |
| Linearity |
±0.1% of F.S. (1) |
| Sampling frequency |
1024 µs |
| Power supply |
24 VDC±10% |
| Current consumption |
400 mA max. |
| Ambient light |
Incandescent or fluorescent lamp: 10,000 lux max. |
| Ambient temperature |
0 to +50°C (32 to 122°F), No condensation |
| Relative humidity |
35 to 85%, No condensation |
| Materials |
Sensor head: Aluminum die-cast, Controller: Polycarbonate |
1. Linearity was obtained using KEYENCE's standard target (Zirconia block gauge).
2. The LK-501 and LK-503 can both be used in High-precision mode or long-range mode.
High Accuracy Laser Displacement Sensor Head Specifications
| Type |
Compact high-accuracy |
High-precision |
Standard |
| Model |
Sensor head |
LK-011 |
LK-031/036 |
LK-081/086 |
| Controller |
LK-3101 |
LK-2001/2011 |
LK-2101/2111 |
| Measurement mode |
Normal (mirror surface) |
- |
| Light source |
|
Visible red semiconductor laser |
| Wavelength |
670 nm |
| Pulse duration |
FDA |
3 to 482 µs |
3 to 994 µs |
| IEC |
3 to 482 µs |
3 to 994 µs |
| FDA class |
Class II |
| IEC class |
Class 2 |
| Reference distance |
10 mm (7.0 mm) |
30 mm |
80 mm |
| Measuring range |
± 1 mm (±0.9 mm) |
± 5 mm |
± 15 mm |
| Minimum spot diameter (at reference distance) |
Approx. 20 µm
0.78 Mil |
Approx. 30 µm 1.71 Mil (LK-031)
Approx. 30 × 850 µm
1.17 ×33.2 Mil (LK-036) |
Approx. 70 µm 2.73 Mil (LK-081)
Approx. 70 × 1100 µm
2.73 × 42.9 Mil (LK-086) |
| Repeatability |
0.1 µm 0.004 Mil (1) |
1 µm 0.04 Mil (1) |
3 µm 0.12 Mil (1) |
| Linearity |
±0.25% of F.S. (2) |
± 0.1% of F.S (2) |
| Sampling frequency |
128 µs |
512 µs |
1024 µs |
| Power supply |
24 VDC±10% |
| Current consumption |
400 mA max. |
| Ambient light |
Incandescent or fluorescent lamp: 10,000 lux max. |
| Ambient temperature |
Sensor head: Aluminum die-cast, Controller: Polycarbonate |
| Relative humidity |
35 to 85%, No condensation |
| Materials |
Sensor head: Aluminum die-cast, Controller: Polycarbonate |
1. Repeatability was obtained using KEYENCE's analog sensor controller (RD-50) with the number of averaging measurements set to 64.Note: The ripple of the analog output may be 1 mV or more due to common mode noise when observed with an oscilloscope or a high-speed A/D conversion board.
2. Linearity was obtained using KEYENCE's standard target (Zirconia block gauge).
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