High-speed Laser Scan Micrometer

LS-5000 series

This model has been discontinued.
Compliance with the certification standard is ensured as of the time of shipment from our company.

Sensor Head LS-5121

LS-5121 - Sensor Head

  • CE Marking





Wide range

Applicable controller


Transmitter/receiver distance

400 ±100 mm, 1,000 mm max.*1

Measurement range

0.8 to 120 mm

Smallest detectable object

0.8 mm


±1 µm max.*2

Measurement accuracy

±8 µm max.*3

Laser scan rate

1,200 scans/sec

Laser scan velocity

504 m /sec

Laser scan range

Approx. 124 mm

Light source

Visible red semiconductor laser
Output: 0.6 mW (FDA (CDRH) Part 1040.10) /45 µW (IEC 60825-1), Pulse duration: 14 µs, Wavelength: 655 nm
Laser Class: Class II Laser Product (FDA (CDRH) Part 1040.10), Class 2 Laser Product (IEC 60825-1)

Environmental resistance

Enclosure rating


Ambient temperature

0 to +50 °C

Relative humidity

35 to 85 % RH (No condensation)


Approx. 5.5 kg (including base)

*1 The measurable area is within 800 mm from the transmitter.
*2 When the average number of measurements is set to 768 in a 40 mm x 80 mm measuring area.
*3 When a rod 40 mm in dia. is measured in a 40 mm x 80 mm measuring area.

Other Models