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. Designed for the harsh environments of steel and non-ferrous metals manufacturing, the LaserSpeed® Pro E Series takes the base sensor from the LS Pro 8500 and LS Pro 9500 series and encases it in rugged environmental housing for double-sealed protection against hot or hostile environments.
LaserSpeed® Pro E Series
The Gauge of Choice by Steel Producers
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The system works on all types of products, including rod, bar, tube, pipe, slabs, cold strip, hot strip, plate and profile products. With various options and accessories, this gauge provides a complete solution for the harsh environments of metal manufacturing.
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. 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.
LaserSpeed Pro E Series precise non-contact speed and length measurement for
for the harsh environments of steel and non-ferrous metals manufacturing.
- Temper/skin pass mills
- Slabs
- Cold steel strip
- Bar mills
- Tube mills
- Plate mills
- Foil mills
- Slitter lines
- Galvanizing line
- Annealing line
- Painting line
- Processing lines
- Wire rod mills.
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.
General Specifications
| Accuracy Depth of Field <100mmDepth of Field >100mm |
<±0.03% of reading <±0.07% of reading |
| Repeatability | ±0.02% |
| Measurement Rate | LS Pro 8500: >50,000/s
LS Pro 9500:>100,000/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 |
| Relative Humidity | Non-condensing |
| Degree of Protection | IP67 |
| Environment Temp | -10 to 150°C |
| -406 | -410 | -415 | |
| Gauge Size
8500 |
362x229x158mm | N/A | |
| 9500 | 362x229x158mm | ||
| Gauge Weight (with air wipe)
8500 |
15.7Kg | N/A | |
| 9500 | 3.5Kg | 3.8Kg | |
| Water Cooling
Flow Rate: Coolant Temp: |
3.8 to 10 l/min3.8 l/min typical
5 to 45°C |
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| Compressed Air
Air Wipe Air Purge |
Instrument Grade
50 l/min typical 6.2-8.3 Bar, 1.200 l/min (90-120 psi, 45 scfm) |
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