الجمعة، 7 يونيو 2019

Simple water level indicator

Durable design provides accurate, repeatable water level measurements. Get Lifetime Tech Support. How are indicators used to determine pH? Where is the coolant level indicator?


What is a digital water level? Similarly when water level reaches to point B, circuit with YELLOW LED and transistor Qgets completed and Yellow LED glows, same goes with point C.

And finally when tank gets full (Point D),. The circuit is simple and uses a single IC and a few components. This article shows simple circuits of water level indicator with alarm. First let us build a water level alarm using simple transistors. The water tank level sensor is used for any liquid level indicator projects.


Parts list:- × 2ohm resistor × BC5transistor 9V battery × green Led (5mm) × red led. It saves time,efforts and monitoring level of water present in tank very easy. Hope this project helps you.

Nowadays everybody has overhead tank at their homes. But everyone who has a water tank above knows the kind of problems that they face. Firstly there is no system to track the water in the tank.


We can control overflow of water tanks by using the tank level indicator. As every body know When the water is stored in the tank, no body can identify the actual level of water in the water tank. The simple home made water level indicator circuit presented in this article is truly straightforward in design incorporating just a handful of components.


Once built and attached to your existing over head water tank, it will provide reasonably accurate indications of its level. So water can be used to open or close a circuit. As the water level rises or falls, different circuits in the controller send different signals. These signals are used to switch ON or switch OFF the motor pump as per our requirements. See more ideas about Water tank, Circuit diagram and Water.


Water Level Indicator is a simple low cost circuit. This is the circuit diagram of a simple corrosion free water level indicator for home and industries. In fact the the level of any conductive non corrosive liquids can be measured using this circuit. These devices signal when water reaches a particular point, which means that you know when the water is about to overflow. Overflow water tanks eventually lead to loss of water and natural resources as well.


The inputs are A,B,C and D which are immersed in the water tank, but in this project we used water glass used in place of water tank for testing purpose.

This simple water level indicator will activate an active buzzer (e.g. BeStar BPT-23CX ) in order to make a noise when a certain level of water is being reached. The sensor probes comprise A, B, C, and where A is the common probe and B, C, and D are meant for sensing the minimum, middle, and maximum levels, respectively. It is best suited for overhead water tanks to display the amount of water. Here’s a SIMPLE WATER LEVEL INDICATOR CIRCUIT.


It is possible to increase the count of indicator LED’s and make it more convenient. The rust, foul and deteriorate. Water level controls need to be replaced every years. Electronics are usually built seperately.


More difficult installation. Most float switches are outdated. No LED indicator lights. No Warranty or Guarantee.


LEDs are used as indicator lamps in many kinds of electronics and increasingly for lighting. LEDs work by the effect of electroluminescence. When the diode is forward biased (switched on), electrons are able to recombine with holes and energy is released in the form of light.

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