Without any doubt the perfect analysis of the liquid level inside a container is by seeing inside after opening the lid. This method is widely practiced at homes where the containers are small and easily held up in the hand. But consider a commercial container which is capable to hold hundreds of gallons of liquid, the huge size of the container poses a great threat to the person who tries to climb over the container and opens the lid to look inside. In the commercial sector the only way to measure the liquid holding containers is with the liquid level indicator.

In the past when the safety measures in the factories was not emphasized as much, a lot of people have fallen in these huge containers and even lost their lives. Today the safety measures imposed strictly upon all the factories down not allow anyone to take the risk of opening a lid and look inside. Since there are a variety of liquids being used in the factories these days, most of the liquid types are hazardous, corrosive and toxic. If a human body is exposed to these liquids, it can be damaged and the person might suffer paralyses and even death in case the exposure becomes prolonged.

These containers are never approached by the staff without wearing the protective suits and clearing the area from all other unauthorized people. The biggest example of a factory containing enough hazardous liquid to kill an entire country is the nuclear power plant. The radiation in that area is so intense that the water which touches the uranium radiated area becomes contaminated to the highest degree and it cannot be consumed or used by the living souls.

To keep the uranium cooled a huge amount of water and some other special liquids are used. These liquids are stored in single skinned containers so that there is no way a person would come near them intentionally or unintentionally. The only way to measure the liquids in these containers is by the ultrasonic level indicator. Using this device the staff can learn about the liquid level in these single water tanks and when the liquids are needed to be replaced, the refilling process is also completed with the help of this device. To ensure that the security measures are never compromised, the use of these liquid level indicators has become a necessity in every factory on this planet.