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Everything about Level sensor

Sensor to detect the level of substances that flow

Level sensors detect the level of liquids and other fluids and fluidized solids, including slurries, granular materials, and powders that exhibit an upper free surface. Substances that flow become essentially horizontal in their containers because of gravity whereas most bulk solids pile at an angle of repose to a peak. The substance to be measured can be inside a container or can be in its natural form. The level measurement can be either continuous or point values. Continuous level sensors measure level within a specified range and determine the exact amount of substance in a certain place, while point-level sensors only indicate whether the substance is above or below the sensing point. Generally the latter detect levels that are excessively high or low. Wikipedia →

🧭 Start here: a 6-step reading path

  1. Read the overview: Level sensorA 5-minute orientation
  2. Skim a recent paper: Polymer Optical Fiber Liquid Level Sensor: A ReviewInfluential work since 2022
  3. Pick up a classic book: MindstormsThe most-reprinted book on the subject
  4. Read the landmark paper: Fiber-optic liquid-level sensorCited 86 times
  5. Go sideways: Density meterA closely related topic
  6. Go sideways: Capacitive displacement sensorA closely related topic

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🗂️ The subject at a glance

  1. Point and continuous level detection for solids
  2. Point level detection of liquids
  3. Sensors for both point level detection and continuous monitoring
  4. Continuous level measurement of liquids

🏆 Landmark papers (most cited)

🆕 Influential since 2022

📚 Books worth reading

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