Float Sensor (Liquid Level Switch)
The float sensor is a simple and reliable device used to detect liquid levels in tanks and containers. It works using a buoyant float that moves with the liquid level and triggers an internal switch, making it ideal for automatic level control and monitoring systems.
Key Features
- Float-Based Detection: Uses a mechanical float to sense liquid levels
- Digital Output: Provides ON/OFF signal (HIGH/LOW)
- Reversible Operation: Can be configured as Normally Open (NO) or Normally Closed (NC)
- Easy Installation: Supports vertical or horizontal mounting
- No Calibration Required: Plug-and-play operation
- Durable & Reliable: Long lifespan with minimal maintenance
Applications
- Water Tank Monitoring: Detect full or empty levels
- Pump Automation: Automatic motor ON/OFF control
- Industrial Systems: Liquid level detection in tanks
- Aquariums & Irrigation: Maintain water levels
- DIY Electronics: Simple level sensing projects
Technical Specifications
- Operating Voltage: Up to 12V–24V (switch rating dependent)
- Output Type: Digital (switch contact)
- Switch Type: Normally Open (NO) / Normally Closed (NC)
- Mounting Type: Vertical / Horizontal
- Material: Plastic (commonly polypropylene)
- Temperature Range: Typically up to ~80°C
Product Example
Float Sensor Liquid Level Switch
Reliable and easy-to-use sensor for detecting liquid levels in tanks and containers.
Why Choose This Sensor?
Float sensors are one of the most dependable solutions for liquid level detection. With no complex electronics and no need for calibration, they offer consistent performance, making them ideal for both simple and industrial automation systems.




