Reed switches and Float switches in Water tank control

Water scarcity is a pressing issue in many urban areas worldwide, emphasizing the importance of efficient water management systems, especially in residences equipped with overhead tanks. To prevent overflow, Reed Switch-based float switches are commonly employed in overhead water tanks to regulate water levels and control the pump responsible for filling the tank.

Typically, two float switches are installed in the tank: one at the near-empty level and the other at the full level. These switches send signals to a controller, which activates the pump when the water level drops to the near-empty point and deactivates it once the tank is filled.

This system is particularly beneficial for apartment complexes with shared water tanks, ensuring equitable access to water for all tenants while preventing wastage.

However, precautions must be taken to mitigate the effects of static capacitance caused by the long wires connecting the float switches to the controller. To provide more detailed information about water levels, longer float switches containing multiple Reed switches are utilized. These switches can detect quarter and half tank levels, among others, allowing intelligent controllers to send push notifications to mobile devices in case of abnormalities.

Moreover, advanced controllers equipped with artificial intelligence can analyze water consumption patterns, detect anomalies such as power failures or open taps, and optimize pump operation accordingly. By leveraging Reed Switch technology in conjunction with intelligent controllers, overhead water tank systems can achieve greater efficiency, minimize water wastage, and enhance overall water management in residential and commercial settings.

Application Classification

Applications are classified as Position Sensing, Pulse Counting, Electromagnetic or Relay, Temperature Sensing or Magnet Biasing types. This application is classified as follows and the link gives more information on best practices to help select the most suitable AT band and matching magnet.

Position sensing Type

When an application requires the end position of a movement sensed, or the sensing of a part when it comes into a zone, or when the Continue reading -> Sep 29, 2024

Recommended Products

The Reed Switches and Sensors used in such applications need to be robust, durable and efficient in meeting a high life expectancy. Our engineers work hard in life testing our products under various conditions, and our intention is to ensure end product durability and life. Although we wouldn’t want to restrict any of our products for use in only certain applications, the recommended products for use in this application are listed below.

Vertical Float Switch FS-V

Drawing of FS-V Float Switch starFeaturesNormally Open and Normally Closed contact Available. Sputtered Ruthenium Contact. Higher Continue reading -> Sep 3, 2024

Sub Miniature Reed Switch, SM-1322

Reed Switch with Full Length LeadsCropped LeadsSMD Formed LeadsHorizontal MountingVertical Mounting starFeaturesRelease AT Continue reading -> Sep 28, 2024

Line Voltage switching Reed Switch, LV-1925

Full Length LeadsCropped LeadsSMD Formed LeadsVertical MountingHorizontal Mounting starFeaturesContact Rating Configurable. Ruthenium Continue reading -> Sep 3, 2024