Liquid Transmitter Sensor

1)RoHS CE CQC FDA Certificate
2) DC5V
3) Analog Signal Output
4) Accuracy ±1mm
5) Customized
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Product Details

Liquid Transmitter Sensor



The working principle

The photoelectric sensor contains an infrared light emitting diode and a light receiver. The light from the LED is directed into a prism on top of the sensor. If there is no liquid, the light from the LED is reflected directly from the prism back to the receiver. When the liquid immerses the prism, the light is refracted into the liquid, so that the receiver cannot receive or can only receive a small amount of light. By sensing this change, the receiver can drive an internal electrical switch to activate an external alarm or control circuit.


Vending machines

Home appliances


All high/low fluid applications

Tank level measurement

Applications where space is limited

Telecommunication equipment 

Advantages of photoelectric level sensor

1. Short response time

2. High level detection accuracy

3. Can detect multiple types of liquids

4. Can achieve non-contact detection

5. Can be installed in multiple directions



Outline Drawing size






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