Float Level Transmitter
Product Overview
A Float Level Transmitter is a reliable and cost-effective level measurement device used to continuously monitor liquid levels in tanks, vessels, and reservoirs. It operates using a buoyant float that moves with the liquid level and converts this movement into an electrical output signal. Float level transmitters are widely used in industrial, commercial, and utility applications due to their simple design and proven durability.
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How it works (simple explanation)
As the liquid level rises or falls, the float moves up or down along a guide or cable. This movement is mechanically or magnetically transferred to a sensing element (such as a potentiometer, reed switch chain, or magneto strictive sensor), which converts the position of the float into an electrical signal proportional to the liquid level.
What it measures
- Continuous liquid level
- Level changes over time
- Tank fill or empty status
Key advantages
- Simple and proven measurement principle
- High reliability with minimal electronics
- Suitable for a wide range of liquids
- Easy installation and maintenance
- Cost-effective compared to advanced technologies
- Can operate without external power (depending on design)
Applications
- Water and wastewater treatment plants
- Oil and fuel storage tanks
- Chemical and petrochemical industries
- Food and beverage processing
- Power plants and utilities
- Storage tanks and sumps
Installation
- Installed vertically or side-mounted on tanks and vessels
- Float material selected according to liquid type and temperature
- Ensure free movement of the float without obstructions
- Suitable for atmospheric or pressurized tanks (model dependent)
- Electrical connection made to control systems or indicators
Technical Specifications
Parameter | Specification |
Measurement Range | 0.3 m to 20 m (custom ranges available) |
Measured Medium | Liquids |
Output Signal | 4–20 mA, 0–10 V, resistance output |
Accuracy | ±0.5% to ±1% of full scale |
Operating Temperature | -20 °C to +200 °C (model dependent) |
Operating Pressure | Up to 40 bar |
Float Material | Stainless steel, plastic, or special alloys |
Housing Material | Aluminum or stainless steel |
Power Supply | 12–36 V DC (for electronic versions) |
Protection Class | IP65 / IP67 |
Process Connection | Flanged, threaded, or custom |