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SPEED & LENGTH MEASUREMENT

All Proton Products Speed & Length Gauges:

  • Provide high-speed, non-contact, solid-state laser speed and length measurement with no slippage, drift or mechanical wear and greatly reduced maintenance compared with contact wheel / roller systems.
  • Are accurate to better than 0.05% and repeatable to better than 0.02% with UKAS-traceable calibration.
  • Are housed in rugged enclosures to survive harsh industrial environments.
  • Are available with industry-standard communications interfaces fitted either as standard or as an option.
  • Are available in stand-off distances and depths-of-field to suit applications as required.
SL mini Series
Unidirectional speed and length measurement optimized for sheet and converting applications.
  • 120 and 300mm stand-off distance models available.
  • Line speed measurement and control.
  • Product length measurement.
  • Control of cutters and inkjet printers.
  • Non-contact, slip-free and low maintenance replacement for wherever contact wheel / roller systems are used.



SLR mini Series
Bidirectional and zero-speed speed and length measurement optimized for sheet and converting applications.
  • 120 and 300mm stand-off distance models available.
  • Reports correct speed and length during line stoppage (zero speed) and direction reversals.
  • Line speed measurement and control.
  • Product length measurement.
  • Control of cutters and inkjet printers.
  • Quality inspection rewind lines for flaw position logging and line reversing for flaw rework.
  • Non-contact, slip-free and low maintenance replacement for wherever contact wheel / roller systems are used.
SL-series
Speed and length measurement for unidirectional applications.
  • 150, 300 and 600mm stand-off distance models available.
  • Line speed measurement and control.
  • Product length measurement.
  • Control of cutters and inkjet printers.
  • Non-contact, slip-free and low maintenance replacement for wherever contact wheel / roller systems are used.






SLR-series
Speed and length measurement for bidirectional and zero-speed applications.
  • 150, 300 and 600mm stand-off distance models available.
  • Reports correct speed and length during line stoppage (zero speed) and direction reversals.
  • Line speed measurement and control.
  • Product length measurement.
  • Control of cutters and inkjet printers.
  • Quality inspection rewind lines for flaw position logging and line reversing for flaw rework.
  • Non-contact, slip-free and low maintenance replacement for wherever contact wheel / roller systems are used.
SL-MID Series
EU MID-certified speed and length measurement for unidirectional applications
  • 300mm stand-off distance (60mm depth-of-field) model available (MID certificate no: UK/0126/0089).
  • 90-day data logging capability.
  • Fitted with PROFIBUS and EtherNet/IP communications interfaces as standard.
  • May be ordered with an optional external RS-232 printer for batch length ticket printing.
  • Final shipping length measurement for products destined for EU-markets (EU Directive 2004/22/EC).
  • Non-contact, slip-free and low maintenance replacement for wherever contact wheel / roller systems are used
SLR-MID Series
EU MID-certified speed and length measurement for bidirectional and zero-speed applications.
  • 300mm stand-off distance (60mm depth-of-field) model available (MID certificate no: UK/0126/0120).
  • Reports correct speed and length during line stoppage (zero speed) and direction reversals.
  • 90-day data logging capability.
  • Fitted with PROFIBUS and EtherNet/IP communications interfaces as standard.
  • May be ordered with an optional external RS-232 printer for batch length ticket printing.
  • Final shipping length measurement on bidirectional rewind lines for products destined for EU-markets (EU Directive 2004/22/EC).
  • Non-contact, slip-free and low maintenance replacement for wherever contact wheel / roller systems are used.
SLM Series
Unidirectional speed and length measurement in metals industry applications.
  • 600, 1200 and 2000mm stand-off distance models available.
  • Optional infra-red filter available for hot object applications.
  • Optional harsh environment enclosures with air or water cooling and air purge available for hot, steamy or dusty environments.
  • Line speed control on extrusion or forming lines.
  • Differential speed control using a pair of gauges (for hot or cold sequential rolling mills).
  • Product length measurement.
  • Control of cutters.
  • Cut length inspection.



SLRM Series
Bidirectional and zero-speed speed and length measurement in metals industry applications..
  • 600, 1200, 2000 and 2500mm stand-off distance models available.
  • Optional infra-red filter available for hot object applications.
  • Optional harsh environment enclosures with air or water cooling and air purge available for hot, steamy or dusty environments.
  • Reports correct speed and length during line stoppage (zero speed) and direction reversals.
  • Line speed control on extrusion or forming lines.
  • Differential speed control using a pair of gauges (for hot or cold sequential rolling mills).
  • Product length measurement.
  • Control of cutters.
  • Cut length inspection.