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| | Action The ducts are fitted with flow measuring sensors type MFS which create a flow dépendent differential pressure. The measured differential pressure is converted with a suitable flow transmitter to a flow linear output signal. The control of the fans against a desired air flow can either be done with a local installed controller or through a PLC-system. Flow monitoring To secure the function of fans and peripherals, the difference between the measured flow and the set flow (capacity signal) are continuously monitored. At a set deviation an alarm signal can be obtained. This function could be monitored and controlled in a local device or by the PLC system. | |
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| | Advantages: 1. Always the same air-volume regardless of load (fuel injection) 2. Counteract poor efficiency (high O2-content in flue gases) by blowing air through the oven. | |
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| | 3. Alarm if the difference between the measured flow and the set flow deviate | |
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| | AB Micatrone Téléphone: Telefax: +46 8-470 25 00 +46 8-470 25 99 Âldermansvŕgen 3 E-mail: Internet: SE-171 48 SOLNA/SWEDEN info@micatrone.se www.micatrone.se | |
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