I could not find any information how to get these to work after some research i found these have an led and a ldr light sensor nice.
Optical infrared water liquid level sensor.
2pcs new optical infrared water liquid level sensor liquid water control switch1.
Optical level sensors consist of two main parts.
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This time i picked a cheap 5 chinese optical liquid level sensor described by most prominent online sellers as 15ma 5v optical infrared water liquid level sensor.
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Epttech food grade optical infrared water liquid level sensor 500mm cable high sensibility working with liquid level controller pack of 3 3 2 out of 5 stars 7 15 80 15.
Details about optical infrared water liquid level sensor liquid water level control switch af.
This kit includes a optical infrared water liquid level detection sensor and a control module board.
Optical infrared 14 99 the optical sensor detects water.
When the sensor tip is surrounded by air the light reacts by bouncing back within the tip before returning to the transistor.
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It seems that the chinese liquid level sensor utilizes the same optical technology being implemented by sst i e.
4 or more for au 6 28 each.
80 epttech fs ir82 ip68 optical infrared water liquid level sensor with magnetic holder replace float sensor 4 6 out of 5 stars 5.
The led is on the blue and red wires blue to 5 vcc.
Manufacturer gods kingdom part number 7111263082979 item weight 1 25 pounds item model number 7111263082979 additional information.
By using a combination of one infrared light transmitter.
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It is used for point level detecting and can monitor high low level we have common purpose version for clean liquid with low viscosity and have other versions for special applications.
Very accurate and nice little sensors.
Easily mounting method with locking nut.
15ma 5v optical infrared water liquid level sensor control switch favorable level sensors product information technical details.
An infrared led coupled with a light transistor and a transparent prism tip in the front.
Compact in construction no mechanical moving parts high reliability high precision level control meet the safety standard requirements rohs compliant.
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Liquid water level sensor is used in the industry to better regulate quantities of chemicals in large containers.
Sensor main feature.
The led projects an infrared light outward.