Velocimetro senza contatto VLF260


in highly accurate, non-contact speed and length measurement. Being capable to measure speed and length with a typical accuracy better +/-0.05% (1σ;length>5m), VLF260 is the ideal gauge for replacing contact tachometers which tend to measurement errors caused by slippage, chatter or vibration, dirt build-up and day to day wear problems. The most compact and easy to handle in class VLF260 uses proven laser doppler technology. Thus it has no moving parts, is maintenance free and permanently calibrated, resulting in significant time and money savings.



VLF260 works at almost any moving objects, such as web, coils, tubes, rods, sheets, plates,… and is well suited for a wide range of applications, including continuous online control, cut-to-length control and differential speed measurement of:
• Textile, non-woven and leather
• Steel, aluminium, metal
• Wire, cable and fibre
• Plastic, film, foil and tape
• Paper and corrugated products
• Rubber and synthetic materials
• Wood, glass, ceramics


• Direct replacement for tachometers
• Non-contact measurement
• Non-marking, no slippage
• Independent of mat., surface, colour
• High accuracy and repeatability
• No parametration necessary
• Permanently calibrated
• Control functions included
• Memory functions included
• Certified by PTB (national metrology institution Braunschweig, Germany)
• Compact package; easy to handle
• Usable as portable calibration tool

Optional Accessories

• Configuration- & Monitoring and PPS-compatible software
• Forward and reverse measurement by IMP module
• */Lowest speed measurement by IMP module
• Isolated quadrature pulse outputs
• Module for short piece measurem.
• Longterm memory (50000 files)
• Differential speed measurement
• Certified PTB version
• Customer specific adoptions




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