If you want to help or donate please donate at my paypal: dyokimura@gmail.com WATER LEVEL SENSOR POWERPOINT FOR MIXED SIGNALS

1. WATER LEVEL SENSORS
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2. IT’S ALL ABOUT WATER
LEVEL SENSORS
The water level sensor is a device that measures
the liquid level in a fixed container that is too
high or too low. According to the method of
measuring the liquid level, it can be divided into
two types: contact type and non-contact type.
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3. OPERATIONS
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4. HOW DOES THE WATER LEVEL
SENSOR WORK?
The working principle of the water level
sensor is that when it is put into a certain
depth in the liquid to be measured, the
pressure on the sensor’s front surface is
converted into the liquid level height.
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5. EXAMPLES
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6. OPTICAL WATER LEVEL SENSOR
The optical sensor is solid-state. They
use infrared LEDs and
phototransistors, and when the
sensor is in the air, they are optically
coupled. When the sensor head is
immersed in the liquid, the infrared
light will escape, causing the output
to change.
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7. CAPACITANCE LIQUID LEVEL
SENSOR
Capacitance level switches use 2
conductive electrodes (usually made
of metal) in the circuit, and the
distance between them is very short.
When the electrode is immersed in
the liquid, it completes the circuit.
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8. FLOAT WATER LEVEL SENSOR
The float switch is the original level
sensor. They are mechanical equipment.
The hollow float is connected to the arm.
As the float rises and falls in the liquid, the
arm will be pushed up and down. The arm
can be connected to a magnetic or
mechanical switch to determine on/off, or
it can be connected to a level gauge that
changes from full to empty when the
liquid level drops.
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9. APPLICATION
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10. HOW WATER TANK LEVEL SENSORS
CAN BE USED TO CONSERVE WATER
• Prevent overfilling
• Reducing water waste
• Promoting more
efficient water usage
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11. THE EFFECTS OF GLOBAL CLIMATE
CHANGE ON WATER LEVEL
Temperature and precipitation
patterns are changing
considerably worldwide
because of global climate
change. Semi-arid and arid
climate zones will experience
much less net precipitation and
runoff.
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12. THANK YOU
SOURCES:
• https://www.renkeer.com/water-level-sensor-definition-applications-benefits-
types/#:~:text=What%20is%20a%20water%20level,type%20and%20non%2Dcontac
t%20type.
• https://smartwateronline.com/news/how-water-tank-level-sensors-can-help-
conserve-water
• https://www.mdpi.com/2073-4441/15/15/2853
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