Chapter 04E - Level Sensors

Chapter 04E Level - LEVEL SENSOR LEVEL SENSOR Level measurement is important because by using the correct techniques it can benefits in terms of

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Unformatted text preview: LEVEL SENSOR LEVEL SENSOR ¡ Level measurement is important because by using the correct techniques, it can benefits in terms of economic, product’s quality, equipment’s and worker’s safety and reduce losses. ¡ There are 2 types of level measurement known as direct and inferential measurement. ¡ Direct measurement is easy, simple and is used for the purpose of local indication. ¡ Inferential measurement is used when remote reading is considered necessary. Dr. Abdirahman CHAPTER 4 Page 75 of 111 Dr. Abdirahman CHAPTER 4 Page 76 of 111 Examples of Direct Measurement Examples of Direct Measurement AUGING GLASS 1. GAUGING GLASS ¡ Transparent glass tube which is connected to a vessel and the values can be read directly. ¡ Cheap and easy to install. ¡ For visible liquid. o signal transmission ¡ No signal transmission. 2. GAUGING RODE ode that had been calibrated is put into a ¡ Rode that had been calibrated is put into a vessel. ¡ Easy to use. Dr. Abdirahman CHAPTER 4 Page 77 of 111 ¡ Can be used for liquid or solid medium. Level Gauge and Gauging Rod Method Level Gauge and Gauging Rod Method Dr. Abdirahman CHAPTER 4 Page 78 of 111 ypical Application of Glass Level Gauges ypical Application of Glass Level Gauges Dr. Abdirahman CHAPTER 4 Page 79 of 111 Typical Application of Glass Level Gauges Typical Application of Glass Level Gauges Examples of Screen Measurement...
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This note was uploaded on 05/09/2010 for the course CHE 3022 taught by Professor Abdirahman during the Fall '07 term at National Central University.

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Chapter 04E Level - LEVEL SENSOR LEVEL SENSOR Level measurement is important because by using the correct techniques it can benefits in terms of

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