KEYENCE LJ-V7300 Ultra High Speed 2D/3D In Line Laser Profiler

Description

The KEYENCE LJ-V7300 is a sensor head in the LJ-V7000 High-Speed 2D/3D Laser Profiler Series, designed for high-speed, non-contact profile and dimensional measurement. It uses a 405 nm blue semiconductor laser and a diffuse reflection measurement method to capture accurate profile data over a wide measurement range. The sensor has a 300 mm reference distance, a Z-axis measurement range of ±145 mm (290 mm full scale), and an X-axis measurement width from 110 mm to 240 mm, making it suitable for inspecting large workpieces while maintaining high measurement accuracy. The LJ-V7300 provides 5 μm repeatability in the Z-axis and 60 μm repeatability in the X-axis, with Z-axis linearity of ±0.05% to ±0.15% F.S. It supports a minimum sampling cycle of 16 μs in High-Speed Mode and 32 μs in Advanced Function Mode, enabling rapid inline inspection for automated production processes. The sensor also features an IP67-rated enclosure, operates in ambient temperatures from 0°C to +45°C, and is constructed with an aluminium housing for reliable performance in industrial environments.

Parameter

Model: LJ-V7300 Ultra High Speed 2D/3D In Line Laser Profiler
Reference Distance: 300 mm
Z-Axis Measuring Range±145 mm (290 mm Full Scale)
X-Axis Measuring Width110 mm to 240 mm
Ambient Temperature: 0°C to +45°C
Sampling Cycle (High-Speed): 16 μs (min.)
Sampling Cycle (Advanced): 32 μs (min.)
Enclosure Rating: IP67

Frequently asked questions

Q:What is the KEYENCE LJ-V7300?
A:The KEYENCE LJ-V7300 is a sensor head in the LJ-V7000 High-Speed 2D/3D Laser Profiler Series, designed for high-speed, non-contact profile and dimensional measurement using a 405 nm blue semiconductor laser and a diffuse reflection measurement method.

Q:What is the reference distance of the LJ-V7300?
A:The sensor has a 300 mm reference distance, making it suitable for measuring larger workpieces while maintaining stable profile acquisition.

Q:What laser does the LJ-V7300 use?
A:The sensor uses a 405 nm visible blue semiconductor laser with a maximum output of 4.8 mW and is classified as a Class 2 laser product in accordance with IEC 60825-1.

Application areas

The KEYENCE LJ-V7300 is deployed across various heavy and high-precision manufacturing industries.The primary application areas include:

• EV Battery Cell Assembly: High-speed flatness and thickness profile inspections of stacked electrode sheets, prismatic cell cases, and cylindrical cell caps.
• Busbar Weld Quality: Inspecting critical electrical connections and high-power busbar welds for surface displacement or height deviations.
• Steel & Aluminum Roll Profiling: Continuous inline profile monitoring of extruded steel shapes, structural H-beams, and sheet metal thickness variations.

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