High Precision Optical Level Measurement

1) Food grade water level sensor
2) Compact size, simple working principle.
3) Available with different materials. 5) Imported components.
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Product Details


High Precision Optical Level Measurement mini FS-IR82-PC-3.5 audio plug is composed of M12 plastic housing and IC board.

When the liquid level of the test moves up and down, the amount of light entering the receiving tube changes, thereby changing the output voltage of the level switch.

Photoelectric level switches rely on two basic scientific principles: refraction and reflection. When the detected liquid level is in the presence of water, the light entering the probe changes due to the refraction of the water, thereby detecting the presence of water. Since the product has already been introduced to the market, it has made significant improvements and improvements.



  • Level control

  • Level detection and monitoring

  • Refrigeration

  • Removable containers

  • Test and measurement



FS-IR82-PC-3.5 audio plug

Output Signal

1-5V,0.5-4.5, 0-5V,

Power supply


Applicable media

Liquid, water


±0.5% FS; ±1% FS


±0.25% FS/year

Housing material

Safety PC

Cable material

UL wire



Protection class



1.Adopting safety environmentally glue-filled sensor
2.High Stability
3.Integral small size
4.For tank

Product detail


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Q: What’s Your Quality Control System?
A: We are an ISO 9001-2015 certified manufacturer, we have strict quality control system. Each set product we also do temperature compensation and aging test before shipment, so the quality is guaranteed.

Q: What Is The Warranty Of Your Products?
A: 12 month from shipment date, for non-man-made damages.

Q: Can We Use Our Logo On The Products? Do You Provide Customized Products? Yes.we can use your logo, we can provide customized products per requirement. OEM/ODM is welcome.

Q: What Is Your MOQ?
A: We have no MOQ limits, small quantity order is acceptable.

Q: What's The Transport?
A: Express such as DHL, Fedex, TNT, UPS for freight prepaid, also can use your own courier account to do the freight collect. For more goods we can arrange by air or by Sea.

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