Level indicators are high precision devices used in the measurement of level of fluids at various industrial applications. These devices are used to determine the level of liquid in undergrounds, overhead tanks and also within containers.
There are many level indicators to suit the needs of different applications. Normally, fluids are used in many forms in highly commercial industries and also in household applications in large quantities. Without proper devices it will be very difficult to the find the quantity and level of fluid stored. Also, in certain situations where the nature of fluid is dangerous or the place in which the liquid is stored is of such a nature that it is manually impossible to find the level, then the level indicators are of utmost importance.
Depending on the type of application used, the type of level indicator should be selected. For example, in the process industry, tubular level indicators are used for better visual liquid level indication. If it is for non-contact type level measurement, then radar type indicators or ultrasonic type indicators are to be used.
As mentioned earlier, different types of level indicators are available on the market to suit a variety of applications. There are many different types of level indicators, each with its own application. A tubular level indicator is a device that is the most reliable one that is used to measure the level of liquids. This type of indicator can be used effectively in process tanks and batching tanks. Magnetic level indicators are red followers that need magnetic level indicators. Cylindrical floats and powerful magnets are used to find the level of the fluid. The float movement is followed by magnetic capsules, and thus, the level in indicated. This type of indicator has good visibility and is absolutely safe to use as it contains non-fragile metal chamber. Reflex level indicators are for applications that involve high temperature, high pressure and use of corrosive fluids. The colorless fluid used in this apparatus gives better clarity to level indication. Transparent level indicators are highly useful in chemical industries and petrochemical fertilizers. As the fluid is stored in high pressure and high temperature, the transparent level indicator is very useful to find the fluid level. Float and board level indicators show when the liquid is stored in over head tanks, and these float type indicators are used to measure the fluid levels. The apparatus consists of float, aluminum scale, dust proof pulley, etc. This indicator can be used for fluids like HCL, HNO, and NH4OH that is for fluids which requires vapor tightness.
Some other level indicators for reference are sight flow indicators, window type sight flow indicators, manometers, and bi-color indicators. Some of the level indicators are provided with various features, such as a built-in controller, continuous output measurement, and adjustable alarm switches.
It is better to read through the specifications and features of the level indicators based on the purpose of the level indicator. |
