Views: 50 Author: Site Editor Publish Time: 2025-06-13 Origin: Site
Types of Level Transmitters?
Level transmitters are devices used to measure and transmit the level of liquids, solids, or slurries in tanks, silos, or other containers. They come in various types, each suited for different applications based on factors like material properties, environment, and accuracy requirements. Here are the main types of level transmitters: Contact-Type Level Transmitters, Non-Contact Level Transmitters, Specialized Level Transmitters
| Level Transmitters Types | Level Transmitters Name | Level Transmitters Features |
| Contact-Type Level Transmitters | Float Level Transmitters | 1. Uses a buoyant float that moves with the liquid level. 2. Common in water tanks, fuel storage, and chemical applications. 3. Simple and reliable but limited by moving parts. |
| Displacer Level Transmitters | 1. Works on Archimedes' principle—a displacer submerged in liquid experiences buoyant force. 2. Used in interface level measurement (e.g., oil-water separation). | |
| Capacitance Level Transmitters | 1. Measures changes in capacitance between a probe and the vessel wall. 2. Suitable for liquids, powders, and granular materials. 3. Affected by material dielectric constant. | |
| Conductivity/Resistive Level Transmitters | 1. Uses probes to detect liquid presence via conductivity. 2. Simple, used in water/wastewater applications. | |
| Hydrostatic Level Transmitters (Pressure-Based) | 1. Measures liquid level based on pressure at the bottom of the tank. 2. Submersible or mounted at the tank base. 3. Common in open or vented tanks. | |
| Guided Wave Radar (GWR) Level Transmitters | 1. Uses a probe to send microwave pulses, measures time of flight. 2. Works well with liquids, slurries, and some solids. 3. Less affected by vapor, dust, or foam compared to non-contact radar. | |
| Non-Contact Level Transmitters | Radar Level Transmitters (Non-Contact) | 1. Uses microwave radar signals to determine level. 2. Suitable for liquids, solids, and harsh environments. 3. Unaffected by temperature, pressure, or vapor. |
| Ultrasonic Level Transmitters | 1. Sends ultrasonic waves and measures echo return time. 2. Used for liquids and bulk solids. 3. Affected by foam, vapor, or dust. | |
| Laser Level Transmitters | 1. Uses laser beams for precise level detection. 2. Ideal for small distances and reflective surfaces. 3. Not suitable for dusty or foggy environments. | |
| RF Admittance / Capacitance (Non-Contact) | 1. Like capacitance but optimized for sticky or coating materials. | |
| Specialized Level Transmitters | Magnetostrictive Level Transmitters | 1. Uses a magnetic float and magnetostrictive wire for high accuracy 2. Common in fuel and chemical storage. |
ZYZL INSTRUMENTS offer total level measurement solutions, products include Guided Wave Radar Level Transmitter, Contacting Radar Level Transmitter, Radar Level Meter, Ultrasonic Level Meter, Vibrating Level Switch, Vibrating Fork Level Detectors by customer' s various applications:
Applications include petrochemicals, chemicals, water treatment, pharmaceuticals, food processing industry, environmental protection industries, paper industry, air conditioning, power systems, pipping engineering, hydraulic machinery, also widely applied in the field of agriculture.
ZYZL INSTRUMENTS research and develop high quality industrial sensors and instruments products by 30+ years' manufacturing experience, product applied EMC Test, Vibration Test, Impact-resistance Test, High-Low Temperature Impact test etc. level measurement products certificated to CE, RoHs, ISO9001, New High-Tech Enterprise, Import & Export Certificate etc.
