Home ONOSOKKI LV-7000 Laser Doppler Surface Velocity Meter
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ONOSOKKI

LV-7000 Laser Doppler Surface Velocity Meter

Now includes NABL Calibration Certificate.

The LV-7000 is a high-precision, non-contact surface velocity meter using laser Doppler technology. It measures speed, fluctuating speed, displacement, and length of rotating or moving objects with exceptional sensitivity and accuracy..

  • Detail
  • Special Features
  • Specification

The LV-7000 series uses laser Doppler principles to accurately derive velocity from frequency shifts in scattered light. Its compact sensor head, high spatial resolution, and easy alignment make it ideal for precise measurement of tiny, high-speed, or oscillating targets. It handles vertical movement, negative gradients, and flexible materials without slipping or contact-related interference. Dual-sensor setups enable measurement of differential motion such as torsional vibrations or belt slippage. The system supports robust data integration via analog outputs and optional data interfaces.

  • Non-Contact Laser Detection – Measures motion using laser Doppler back-scattering, eliminating physical contact and avoiding wear or distortion.

  • High Speed and Resolution – Detects thin or fast-moving targets like wires, rubber, or fabric with outstanding spatial precision.

  • Differential Detection – Dual-sensor configuration allows real-time measurement of velocity differences—useful for torsion, deformation, slippage, and stretching analysis.

  • Eye-Safe Laser (Class 2) – Safe for general use without protective gear; includes visible red aiming light for easy setup.

  • Versatile Output – Offers analog voltage output proportional to measured speed, plus multiple signal options for advanced integration.

Specification Details
Detection Principle Laser Doppler (back-scattering differential)
Laser Classification Class 2 (reduces need for protective measures)
Detection Range Detects velocity, displacement, length, and slippage
Application Scope Thin/tiny targets like wire, fabric; engine belts; torsion
Dual-Sensor Capability Allows real-time difference or slippage measurement
Output Analog voltage proportional to velocity; optional signal formats
Positioning Aid Visible red laser for quick alignment
Frequency Response Supports up to 20 kHz for high-speed dynamics
Detection Distance Around 200 mm from sensor to target
Operating Conditions Standard lab or industrial environments
Typical Uses Material testing, motor diagnostics, slippage detection, mechanical evaluation