Ultra High-Speed/High-Accuracy Laser Displacement SensorLK-G5000 series

LK-H157

Sensor Head, Wide Type, Laser Class 2

SPECIFICATIONS

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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 (JIS C6802)

Class 2

Output

0.95mW

Spot diameter (at standard distance)

120μm×4200μm

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 example 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.

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