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Applications
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2003-02-06 |
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LT3 Web Break Detection
In the paper manufacturing business, the web of newly made paper travels at speeds of more than 3,000 feet per minute through a series of rotating cylinders. A break in the wen at any step in the process must be found immmediately, so sensors are used throughout the line for web break detection. However, in the drying portion of the process, the ambient temperature near the dryer drums is too high for electronic sensors to function. The LT3, with its high speed and long operating range, is the perfect choice, as it can reliably sense a break from a distance of 2.5 meters, where the temperature is cooler. One discrete output may be programmed to send a stop signal to the machine, while the other signals an alarm.
Objective:
To detect a broken web in the dryer section of a paper-making machine
Sensor Models:
LT3 diffuse-mode sensor with two discrete outputs
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222 |
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MINI-BEAM Fill Level
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2003-02-07
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706
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221 |
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MINI-BEAM Expert Wafer Cassette Presence Sensing
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2003-02-07
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698
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220 |
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MINI-BEAM Expert Hard Disk Detection
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2003-02-07
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732
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219 |
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MINI-BEAM Expert Wafer Flatness Detection
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2003-02-07
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705
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218 |
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M12 and Q23 Wafer Mapping and Edge Detection
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2003-02-06
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4024
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217 |
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LT3 Web Break Detection
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2003-02-06
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720
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216 |
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2003-02-06
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727
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215 |
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2003-02-06
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736
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214 |
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2003-02-06
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714
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213 |
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LS10 Parts Count
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803
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212 |
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D12 Wafer Cassette Slurry
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2003-02-05
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823
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11
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