| Model | LK-G157 | |
| Reference distance | Diffused reflection: 150 mm, Specular reflection: 147.5 mm | |
| Measuring range | Diffused reflection: ±40 mm, Specular reflection: ±39 mm*1*2 | |
| Light source | Type | Red semiconductor laser |
| Wavelength | 650 nm (visible light) | |
| Laser Class | Class II (FDA CDRH 21CFR Part 1040.10), Class 2 (IEC60825-1) | |
| Output | 0.95 mW | |
| Spot diameter (at reference distance) | Approx. 120 x 1,700 µm | |
| Linearity | ±0.05 % of F.S. (F.S.= ±40 mm)*3 | |
| Repeatability | 0.5 µm*4*5 | |
| Sampling frequency | 20 / 50 / 100 / 200 / 500 / 1000 µs (Selectable from 6 levels) | |
| LED display | Near the centre of the measurement: Green lights Within the measurement area: Orange lights Outside the measurement area: Orange flashing | |
| Temperature characteristics | 0.01 % of F.S./°C (F.S.= ±40 mm) | |
| Environmental resistance | Enclosure rating | IP67 (IEC60529) |
| Ambient light | Incandescent lamp or Fluorescent lamp: 5,000 lux max. | |
| Ambient temperature | 0 to +50 °C | |
| 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. 290 g (including the cable) | |
| *1 The range is obtained by measuring KEYENCE’s standard target (ceramic). *2 When the sampling rate is 20 µs, the range becomes -22 (NEAR side) to -40 mm (NEAR side) for diffuse reflection, and -22 (NEAR side) to -39 mm (NEAR side) for specular reflection. *3 The range is obtained by measuring KEYENCE’s standard target (ceramic) with the Standard mode. *4 Consult your nearest KEYENCE representative for the Class IIIa type with increased repeatability. *5 The range is obtained by measuring KEYENCE’s standard (SUS) with 4,096 times of averaging at the reference distance. |
Датчик измерения Keyence LK-G157
Sensor Head: Long Distance, Wide beam
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