Extend the functionality of your Madison products with panel meters, relays and more.

Application Bulletins

Learn how Madison products have been used in a variety of real-world applications.

Application Submittal for Liquid Level Sensors

Madison Company can engineer sensing products to meet your specific application needs. Please provide as much information as you can, and we will determine the appropriate switch design for your application.


Many Madison products meet the guidelines of UL, NSF, CE, CSA and other common standards.

Chemical Compatibility

Better understand how sensor materials will react to your application environment.

Frequently Asked Questions

Get answers to common technical questions about our sensors.

How To Buy

Madison Company offers several convenient ways to purchase our liquid level management products.

Image Gallery

Choose the correct product at a glance, and download high-resolution images (requires account.)

ISO Certification

Madison Company is ISO 9001:2015 certified.

Product Configurator

Create a custom level sensor with our online tool (opens in new window.)

Product Specification Worksheets

These worksheets can help you narrow down your choice of level sensor.

California Proposition 65

Product Support

Download installation manuals, our product catalog and other information.

Sensor Decision Tree

Select the right sensor in a few clicks with this straightforward org chart utility.

Sensor Reference Information