Resources

Accessories

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.

Approvals

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.)

Product Configurator

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

Product Specification Worksheets

Submit a spec sheet from your browser, or download a .pdf version.

Specification Worksheet	Downloadable .pdf
Full-Size Multi-Point	Full-Size Multi-Point
Miniature Multi-Point	Miniature Multi-Point
Continuous Float Level Sensor	Continuous Float Level Sensor
Hydrostatic Pressure Level Sensors	Hydrostatic Pressure Level Sensors
Optical Liquid Level Switches	Optical Liquid Level Switches
Radar and Ultrasonic Sensors	Radar and Ultrasonic Sensors
Visual Level Sensors	Visual Level Sensors

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

• Electrical Considerations
• Float Information
• Float Switch Guide and Float Switch Products
• Optical Level Sensor Application Notes
• Tank Level Control
• Thermocouple Reference
• Ultrasonic and Radar Level Sensor Information
• Voltage Ratings