The Introtek® Non-Invasive Continuous Level Detector (CLD) is available in both standard and custom configurations to meet specific application requirements. Its unique pulsed, non-invasive design allows for fast, accurate, and reliable monitoring of liquid levels from the bottom of plastic vials, containers, or tanks.
This INTROTEK liquid level detector can be scaled for use with plastic containers and vessels of various sizes. It is suitable for applications in the medical, industrial, pharmaceutical, laboratory, and food and beverage sectors.
Continuous Level Detector (CLD)
Video Credit: Introtek International
Simple
- Simple unibody construction without moving parts
- Provides a continuous analog signal representing precise liquid levels
- Maintenance-free
Safe
- High noise immunity to EMI/ RFI
- Highly dependable
Custom design
- Available in tailored OEM configurations
- Sensor may be programmed for custom, full-scale output voltages, offsets, and logic thresholds
- Custom timing and averaging available
Technology
- Patented pulse-type ultrasonic technology
Operating principle
Operating principles of the Introtek water level detector sensor
Introtek’s pulse-type ultrasonic technology delivers exceptionally reliable, non-invasive liquid level and air detection for critical applications where patient or process safety is essential. This advanced technology significantly minimizes, and in some cases eliminates, many of the factors that can impact the accuracy of amplitude-based or continuous-wave ultrasound systems, ensuring precise and consistent performance.
Features
Key features of Introtek continuous liquid level sensors
- Simple uni-body construction with no moving parts
- Dry-coupled, so no coupling gel is required
- High noise immunity to EMI and RFI
- Delivers a continuous analog signal representing accurate liquid levels
- Factory-calibrated for specific vessel types and completely maintenance-free
Options
Options for this continuous level sensor
- Programmable for custom full-scale output voltages, offsets, and logic thresholds
- Custom OEM designs
- Custom timing and averaging available

Image Credit: Introtek International
Applications
Applications for the Introtek continuous liquid detection sensor
A liquid level detector that provides a continuous analog output signal, the Continuous Level Detector (CLD) is widely used in medical-related equipment and process improvement in a variety of applications, including:
- Industrial
- Pharmaceutical manufacturing
- Liquid dispensing
- Clinical laboratory
- Reagent production
- Food and beverage production
Introtek International is a leading provider of continuous liquid level sensors and detectors, delivering only the highest-quality devices.