KEYENCE LK-G155 Sensor Head, Wide Type

Reference distance

150 mm (Diffuse reflection),147.5 mm (Specular reflection)

Measuring range

±40 mm (Diffuse reflection),±39 mm (Specular reflection)

Light source

Type

Red semiconductor laser

Wavelength

655nm (Visible light), Class 3R laser product (JIS C6802)

Laser Class

Class 3R (IEC 60825-1), Class IIIa (FDA CDRH Part 1040.10)

Output

4.8 mW maximum

Spot diameter (at reference distance)

Approx. 120 x 1,700 µm

Linearity

±0.05% of F.S. (F.S.= ±40 mm)^*1

Repeatability

0.5 µm^*2

Sampling frequency

20/50/100/200/500/1,000 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: 10,000 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 This value was taken when measuring a KEYENCE standard target (ceramic) in standard mode.
^*2 These values were taken when measuring a KEYENCE standard target (SUS) at a reference distance and with the number of averaging measurements set to 4,096