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Application Notes

Ice Cube Creation with LS-3N

March 23, 2021

Despite its name, ice cubes don’t always come in cubes. Ice can take on many shapes, including crescents, tubes, spheres, and pebbles, to name a few. However, the main characteristic that these special ice machines have in common is that they all require a level sensor so that the necessary water can remain full in their molds and sense if there isn't enough water. These ice machines are used worldwide in restaurants, bars, hotels, and even in homes.

Challenge

Finding a sensor that can detect water, NSF rated and able to be completely submersible within a water tank

It is difficult for most level products to be able to be 100% submersible, especially the wire entry area. Many wires on sensors and switches are not submersible and may have to be custom-made to withstand complete submersion.

LS-3N sensor image for fluid level detection.

Solution

LS-3N

The low-cost, NSF (National Sanitation Foundation) certified level sensor, LS-3N, is able to help create ice cubes while staying sterile and submersible. This switch can be custom-made with a seal on top of the wire, allowing it to be completely submersible. The LS-3N is also able to snap into the tank instead of latching onto the outside, resulting in increased precision of the switch point.

The LS-3N is an NSF 169-certified, direct-contact level sensor that alerts the machine when there is insufficient water available to make ice. Without this type of NSF-certified sensor, the machine could run dry, as well as be unsanitary.

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