| Fluid level control is necessary for many reasons. | | | | As well as commercial uses, home users also |
| Too much or too little fluid in a container can be | | | | require liquid level control and alarms for various |
| detrimental and so it needs to be monitored and | | | | reasons. People may want to monitor liquid levels |
| controlled, with alarm activating to alert people | | | | in case someone tries to steal from them. As fuel |
| that something is wrong or that something needs | | | | prices rise, the likelihood of theft of oil rises. |
| to be done. An example of the need for control | | | | People can monitor fuel levels in their domestic |
| and alarms is in a sewer system where the | | | | tanks in real time which allows them to be notified |
| storm water collection system and sewer system | | | | by alarm if the fuel level drops quickly, as when |
| are separate. In the event of heavy rain showers, | | | | being stolen. It also allows them to manage fuel |
| storm water can get in to and overwhelm the | | | | costs and usage and prevents them from running |
| sewer system, causing the sewage to overflow | | | | out without realising. |
| into the streets. This is a potential health threat | | | | Domestic users will actually probably own fluid |
| that can result in fines for the company | | | | level control and fluid level alarm devices without |
| responsible. The sewage can also cause property | | | | even knowing it. In cars for example, many |
| damage which the company would have to pay | | | | vehicle brake systems incorporate brake fluid level |
| out to rectify. An alarm that gives early warning | | | | sensors. The sensing system is often made up of |
| can give the company enough time to do | | | | a magnetic float and a magnetic sensor and when |
| something about the situation. | | | | the level in the brake fluid reservoir drops to a |
| Another commercial use of liquid level control and | | | | predetermined level, the magnetic float ends up |
| alarms is to signal an overflow in oil tanks. The | | | | near to the magnetic sensor, making the sensor |
| purpose is to minimize the hazards of | | | | initiate a warning light on the dashboard of the |
| environmental pollution from the oil during tank | | | | car, letting the driver know that they need to get |
| filling operations. | | | | the brake fluid topped up. |
| Other uses include the alarm device being placed | | | | Fluid level control and fluid level alarms are really |
| in the bilge of a ship or the rakes of a barge to | | | | useful, both commercially and in domestic |
| sound an alarm as an early response to sinking. | | | | situations. Using these devices helps prevent |
| This advanced warning can give extra time for | | | | problems and allows systems utilising fluids to |
| everyone aboard to try and stop the vessel | | | | work in a more controlled and safe way. |
| sinking or to make a hasty exit. | | | | |