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Understrip Temperature Measurement System
For the steel maker involved in the hot rolling of steel slabs or billets, knowledge of steel temperature is vitally important. Accurate measurement of temperature can be invaluable in determining the final metallurgical properties and quality of the metal especially in high value products such as dual-phase steel used in the automotive industries.

Land ruggedized fibroptic systems located at different positions under the mill roller table view the target between the rolls and provide continuous accurate measurement, without contact, of the scale-free metal surface.
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The systems are easy to install and designed for trouble-free operation. A low cost sighting tube/purge unit houses a readily demountable modular fibre optics probe.
The associated electronic amplifier unit, located remotely, is linked by a sealed fibroptic light guide. An air line, connected to the sighting tube, to provide a purged sight path for the thermometer, is the only service required by the thermometer optic head.
The electronics unit is provided with electrical power from the associated System 4 Landmark Graphic signal processor. The processor provides electronic signal treatment of the thermometer output allowing averaging, peak picking or sample and hold outputs and temperature display. An optional serial communications facility gives digital RS232C or RS422A outputs and allows access for system parameter adjustments from a remote computer.

Simple installation with non critical positioning
Quick, simple no-tools probe removal
Electronics positioned remotely at a safe distance
Minimal services - only clean air supply for purging. No water cooling required
The thermometer interfaces with a Landmark Graphic signal processor.
A range of thermometers are available depending on the temperature range required

  Model Temperature Range Wavelength  
  M1 600/1600CL
M1 1100/2900FL
600 to 1600°C
1100 to 2900°F
  M1 800/2600CL
M1 1500/4700FL
800 to 2600°C
1500 to 4700°F
  M2 300/1100CL
M2 600/2000FL
300 to 1100°C
600 to 2000°F
  M3 50/250CQ 50 TO 250°C 2.1µm  
  R1 600/1600CL
R1 1100/2900FL
600 to 1600°C
1100 to 2900°F
0.85 to 1.1µm  
  R1 1000/2600CL
R1 1800/4700FL
1000 to 2600°C
1800 to 4700°F
  Laser targeting versions of these thermometers are also available.

  Optics: A10 - 100mm focus
A25 - 250mm focus
A50 - 500mm focus

  Environmental Specifications  
  Operating temp range (Electronic units): M1   0 to 70°C/32 to 158°F
M2   0 to 50°C/32 to 122°F
R1   0 to 50°C/32 to 122°F

  Light guide assembly: 0 to 120°C/32 to 248°F

  Optic head: 0 to 200°C/32 to 392°F

  Installation: Sighting tube clamped to suitable mounting. No-tools detachable probe locates in sighting tube.
Amplifier unit housed in 280x250/110mm enclosure, is located remotely from hostile environment. The Landmark® Graphic/Classic signal processor can be located in the control room.


A Literature download on this product is available here
Last Modified (26/02/04) (142KB)

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