Exploring APG Sensors’ Float Switches: Ensuring Reliable Liquid Level Control

In industries and applications where precise liquid level control is critical, float switches play a vital role. These ingenious devices are designed to monitor and manage liquid levels, providing accurate and reliable measurements for a wide range of liquids, including water, oils, chemicals, and more.

Among the reputable manufacturers of float switches, APG Sensors stands out for its commitment to quality, innovation, and diverse product offerings.

Understanding Float Switches: The Basics

Before delving into APG Sensors’ float switches, it’s essential to grasp the fundamental concept behind these devices. Float switches are mechanical or electronic instruments used to detect and control the level of liquid within a container or tank.

The principle of operation is relatively straightforward: a buoyant “float” attached to a switch mechanism rises and falls with the liquid level, triggering the switch to turn on or off at specific predefined points.

This simple yet effective technology finds applications across various industries, including water and wastewater management, oil and gas, food and beverage, pharmaceuticals, and chemical processing, to name a few.

Introducing APG Sensors: A Brief Overview

APG Sensors is a reputable manufacturer known for its comprehensive range of sensor solutions catering to the needs of industrial automation, fluid handling, and process control. With years of experience and a strong commitment to quality, the company has earned a solid reputation for delivering reliable and precise instruments.

Among its wide array of products, APG Sensors specializes in float switches, which are available in different designs and configurations to suit various liquid level sensing requirements. Whether it’s for point level monitoring or continuous level control, APG Sensors offers an extensive product line to address diverse industry demands.

Product Category: APG Sensors’ Float Switches

APG Sensors’ float switches are organized under the “Switches” category on their website, with a dedicated section for “Float Switches.” Let’s explore some of their key offerings:

FS Series Vertical Float Switches: These vertical float switches are ideal for point level detection in tanks or vessels. They are available in various materials, including stainless steel, Buna, and polypropylene, making them suitable for use in different liquids and environments. The FS series boasts excellent chemical resistance and durability.

LLS Series Multi-Level Float Switches: The LLS series float switches are designed to provide multiple level measurements in a single float. This innovative design allows for cost-effective and space-saving installations, making it practical for applications where multiple liquid levels need monitoring.

ELS-1150 Electronic Level Switches: Moving beyond the traditional mechanical float switches, APG Sensors offers electronic level switches. The ELS-1150 series employs ultrasonic sensing technology to provide non-contact level detection. These switches are suitable for challenging liquids such as wastewater, slurries, or corrosive chemicals.

SCL Series Continuous Level Sensors: For applications requiring continuous level monitoring, the SCL series offers an excellent solution. These sensors utilize magnetostrictive technology to deliver precise and real-time level measurements.

Key Features and Advantages

Quality and Reliability: APG Sensors is known for its commitment to delivering high-quality products that can withstand the demands of industrial environments. Their float switches are durable, dependable, and designed to provide consistent performance over an extended period.

Customization: Recognizing that different industries have unique requirements, APG Sensors offers customization options for their float switches. Customers can specify materials, cable lengths, mounting configurations, and other features to tailor the switches to their specific needs.

Application Expertise: With years of experience in the industry, APG Sensors has amassed a wealth of application knowledge. They provide excellent customer support and technical guidance to help customers choose the most suitable float switches for their particular applications.


APG Sensors’ float switches offer a reliable and efficient solution for liquid level monitoring and control across a wide range of industries. With their commitment to quality, innovative designs, and application expertise, the company continues to be a trusted partner for businesses seeking accurate and dependable liquid level sensing solutions.

Whether it’s for point level detection or continuous level measurement, APG Sensors’ float switches can play a pivotal role in ensuring efficient liquid management and process optimization. As industries evolve, APG Sensors remains at the forefront of sensor technology, constantly refining and expanding its product offerings to meet the ever-changing demands of the modern world.

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