• SR5540
  • SR5540
  • SR5540


Product Introduction

It is a measuring instrument specially tailored for the transportation track railway industry. It adopts 450nm blue light source with ultra-fast scanning speed, up to 67K/s, and can scan the X-axis width of 440mm-640mm, which is suitable for railway surround detection, wheelset detection, track wear detection and so on.

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Technical specifications

Model number
Reference distance (CD)730mm
Measuring rangeZ-axis height (FS)460mm
X-axis widthNear side385mm
Reference distance480mm
Remote side620mm
Light sourceLight source wavelength450nm blue light
Laser class3R
Laser output power50mW
Repetition accuracyZ-axis (height)8μm
X-axis (width)50μm
linearityZ-axis (height)±0.02% of F.S.
Contour data intervalX-axis (width)200μm
X-axis contour points3200
Reflection Angle (°)33.9
Scanning speed (Hz)2500 ~ 67000
Dimension (mm)610×98.5×62
Weight (g)2700
Temperature characteristic0.02% F.S./℃
Encoder inputSingle-ended, differential encoder is supported
Input/outputOne 100Base-TX/1000Base-T Ethernet interface
Operation Temperature0~50℃
Storage Temperature


Working Humidity35% to 85% without condensation
ESD ProtectionContact discharge 4kV, air discharge 8kV, in accordance with IEC 61000-4-2 standards
EFT protectionPower port 2kV/5 or 100kHz, signal port 1kV/5 or 100kHz, in accordance with IEC 61000-4-4 standards
Impact50Gs/3ms per axis, in accordance with IEC 68-2-27 Ea standard
Vibration10Gs (10-500Hz), compliant with IEC 68-2-6 Fc standard 
degrees of protection provided by enclosureIP67, in accordance with IEC 60529 standard