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In application with high dust load and ash build-up in front of the lens in CD 3002 very high purging flows may be necessary. For these applica- tions an air blower producing flow rates in the 1000 ltr/min. range can be used.
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LDS 3000 Purging of CD 3002 using air blower Air blower 1000 Maximum flow: Q Maximum flow: Q 900 ltr/min 900 ltr/min Length of tube [m] Flow rate vs length of the tube between the air blower and the sensor.
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The figure below shows a good way of setting up the sensor with an air blower. Output air tube Input air filter Air blower Example set-up of CD 3002 with air blower.
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The time between changes is totally dependent on the environment in which the air blower operates. The inlet under-pressure (directly after the filter) will reveal the condition of the filter and can be used to monitor this. Siemens Laser Analytics can provide suitable equippment for this.
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