Sensor Head, Wide Type, Laser Class 2
Keyence LK-H157
Ultra High-Speed/High-Accuracy Laser Displacement Sensor LK-G5000 series
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Specification
| Model | LK-H157 | |
| Mounting mode | Diffuse reflective / Specular reflective*1 | |
| Reference distance | Diffuse reflective: 150 mm Specular reflective: 147.5 mm | |
| Measuring range | Diffuse reflective: ±40 mm Specular reflective: -39.5 mm to +24.4 mm*2 | |
| Light source | Type | Red semiconductor laser |
| Wavelength | 655nm | |
| Laser class | Class 2 | |
| Output | 0.95mW | |
| Spot diameter (at standard distance) | 120 µm x 4,200 µm | |
| Linearity | ±0.02% of F.S. (F.S.= 80 mm)*3 | |
| Repeatability | 0.25 µm*4 | |
| Sampling cycle | 2.55/5/10/20/50/100/200/500/1000 µs (9 steps selectable) | |
| Temperature characteristics | 0.01% of F.S./°C (F.S.= 80 mm) | |
| Environmental resistance | Enclosure rating | IP67 |
| Ambient light | Incandescent lamp or fluorescent lamp: 5,000 lux max. | |
| Ambient temperature | 0 to +50 °C*5 | |
| Relative humidity | 35 to 85 % RH (No condensation) | |
| Vibration resistance | 10 to 55 Hz, Double amplitude 1.5 mm, 2 hours in each of the X, Y, and Z directions | |
| Material | Aluminium die-cast | |
| Weight | Approx. 300 g | |
| *1 Use one of the following dark filters when measuring a transparent or mirror surface object: LK-H082/LK-H087: LK-F3, LK-H152/LK-H157: LK-F2 *2 Measurement range when the sampling cycle is 20 µs or more. *3 This value is obtained when the KEYENCE standard target (White diffuse workpiece or workpiece with a metal mirror surface only for the LK-H008/LK-H008W) is measured in the normal measurement mode. *4 This value is obtained when the KEYENCE standard target (White diffuse workpiece or workpiece with a metal mirror surface only for the LK-H008/LK-H008W) is measured at the reference distance with the number of averaging measurements set to 16384. The value in parentheses is a typical e x ample of a measurement with the number of averaging measurements set to 65536 and the sampling cycle to 200 µs. *5 When the ambient temperature rises to 40 °C or more, mount this on a metal plate before use. |
