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LaserSpeed® Pro 8500 Series

Measure the length and speed of any product with the highest precision

Over the last 40 years, LaserSpeed®Pro gauges have set the standard of innovation for accuracy and reliability for non-contact length and speed measurement. Utilising the principle of Laser Doppler Velocimetry (LDV) LaserSpeed Pro can measure the velocity and length of a moving surface or object extremely accurately using a non-contact method.

The LaserSpeed® Pro LS8500 measures process speed and length using a non-contact method and is a direct replacement of existing contact rotary encoders to improve the accuracy and reliability of in-process measurement. Unlike contact encoders, the LaserSpeed® Pro is not susceptible to errors due to slipping, wheel pick up, or wear and will provide a more dependable measurement over the long term. The LaserSpeed® Pro is the most accurate gauge available on the market today delivering an accuracy of better than ±0.03% and repeatability of ±0.02% on any material irrespective of the surface properties. A wide scope of standoff distances are available, ranging from 300mm to 1000mm and measurement speeds up to 12,000 m/min. The LaserSpeed® Pro embraces Industry 4.0 connectivity, which means integrating more easily than ever into production networks to provide real-time data exchange and improve process control and efficiency.

The LS Pro 8500 series gauge is identical to the LS9500 model in all respects but is unable to measure extremely low speeds and track product direction. For applications where the product does not reverse or is moving at very slow speeds, this is a cost-effective solution.

 

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LaserSpeed Pro BROCHURE
Laserspeed metals application note
laserspeed non metals application note
aluminium brochure
Steel brochure

 

Made to Measure Support Every Step of the Way

We believe our customers should deal with an expert from the point of enquiry to project completion. Therefore, we will appoint you a product specialist so you have continuity and a single point of contact. They will be your guide, help identify the best solution for your particular application and be with you through to successful implementation.

Arrange a call with a product specialist to find out how LIMAB UK could benefit your company. Call +44 (0)1823 668633 today.

LaserSpeed Pro LS8500 precise non-contact speed and length measurement for the following applications

  • Cut steel plates
  • Blanking lines
  • Gypsum board length
  • Wood-based panel length
  • Cold steel strip
  • Steel bar length
  • Tube length
  • Bar length
  • Process lines
  • Painting lines
  • Galvanizing lines

Laser Speed Logo

LaserSpeed® pedigree

LaserSpeed® gauges can measure the speed and length of any product using an optical, non-contact technology called Dual Beam Laser Doppler Velocimetry. LaserSpeed gauges were first introduced to the metals industry in 1984 and have been growing in usage ever since. There are now thousands of LaserSpeed gauges installed in all types of industrial applications worldwide.

High performance

A breakthrough in electro-optics design enables LaserSpeed gauges to produce highly accurate, non-contact speed and length measurements at a reasonable cost. To accomplish this the LaserSpeed gauge uses Laser Doppler Velocimeter technology coupled with autocorrelation, the most advanced, digital signal processing algorithm and a new single-chip integrated circuit technology. LaserSpeed gauges have no moving parts, use 100 % solid-state digital technology, and are permanently calibrated – resulting in significant time and money savings.

Replace contact tachometers

With an accuracy better than ±0.03%, irrespective of the material, temperature, surface or speed the LaserSpeed is ideal for replacing traditional contact tachometers that are prone to measurement errors caused by slippage, dirt build-up, and day-to-day wear problems.

Suitable for harsh environments

All LaserSpeed gauges are extremely rugged with a sealed IP67 housing with built-in air/water cooling facility. Suitable for installation in tough industrial applications.

Key Specifications

Accuracy

Depth of Field <100mm

Depth of Field >100mm

  

<±0.03% of reading

<±0.07% of reading
Repeatability ±0.02%
Measurement Rate  >50,000/s
Acceleration Rate >500m/s²
Starting/Ending Length Correction Yes
Serial I/O

Data Available

Baud Rate

 RS-232 / RS-422

Speed, Length Quality Factor,  Status

460K, 230K, 115K, 57.6K 38.4K, 19.2K, 9.6K, 4.8K
Ethernet 10/100, UDP, TCP Speed, Length Quality Factor, Status
Status via Serial I/O or Ethernet Laser at Temperature Valid Measurements Laser Interlock Material Present Shutter Position System Ready
Quadrature Pulse Output 1 Output 2 Opto isolated Scaleable pulse amplitude (5-24V) Selectable pulses/unit 250 KHz max pulse rate RS-422 Drivers Selectable pulses/unit 5 MHz max pulse rate
Fieldbus Connectivity Ethernet (ModBus TCP, Ethernet/IP, Profinet IO); Profibus DP
Gauge Power 24 VDC (±4VDC) @ 1.5Amp
Gauge Temperature 5 to 45°C (41 to 113°F)
Product Warranty 2 years
Diode Warranty 3 years
Water Cooling

Pressure:

Flow Rate:

Coolant Temp:

  

Less than 207 kPa (<30 PSI)

1.0 to 3.8 l/min 1.5 l/min Typical

5 to 45°C
Relative Humidity Non-condensing
Degree of Protection IP67

 

-403 -406 -410
LS Pro 8500 Speed Range 0.4-4000m/min 0.8-8000m/min 1.0-12000 m/min
Meausurement Depth of Field 35mm 50mm 100mm
Gauge Size 8500 203x159x97.5mm
Gauge Weight 8500 3.3Kg

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