
The SLDL2120 Non Contact Ultrasonic Level Sensor is a high‑reliability non‑contact measuring device designed for stable liquid and solid level monitoring. The SLDL2120 Non Contact Ultrasonic Level Sensor uses advanced ultrasonic detection technology and is widely used in sewage treatment, water resources management, petrochemical engineering, and other industrial fields requiring accurate and maintenance‑free level measurement.
Solidat Applied Technologies Ltd. is one of the leading manufacturers and suppliers of SLDL2120 Non Contact Ultrasonic Level Sensor in China, and supports full customization for special working conditions. We provide high‑quality SLDL2120 Non Contact Ultrasonic Level Sensor from stock, and welcome global customers to request factory quotations with professional service and competitive pricing.
The SLDL2120 Non Contact Ultrasonic Level Sensor calculates the distance between the sensor and the medium surface by measuring the time of ultrasonic wave transmission and reflection. With non‑contact measurement, the SLDL2120 Non Contact Ultrasonic Level Sensor is compatible with almost all media types and avoids contact corrosion, blockage, or pollution. Adopting imported core components and high‑performance transducers, the SLDL2120 Non Contact Ultrasonic Level Sensor ensures long‑term stable and reliable operation.
•Adopts SMD technology to enhance the stability and reliability of the SLDL2120 Non Contact Ultrasonic Level Sensor.
• Automatic power adjustment, gain control, and temperature compensation for high accuracy.
• Advanced ultrasonic detection and rich software functions adapt to complex working conditions.
• New waveform calculation algorithm improves measurement precision.
• Built‑in interference echo suppression ensures real and accurate measurement data.
• Corrosion‑resistant PTFE material enables the SLDL2120 Non Contact Ultrasonic Level Sensor to work in corrosive environments.
The SLDL2120 Non Contact Ultrasonic Level Sensor is widely used in:
• Sewage treatment plants and wastewater pools
• Water resources management, reservoirs, and river monitoring
• Petrochemical industry, oil tanks, and chemical storage
• Industrial water tanks, open channels, and process vessels
• Various liquid and solid level measurement scenarios

| Parameter | Specification |
|---|---|
| Model | SLDL2120 |
| Application | Continuous liquid/solid level measurement for tanks & open pools |
| Process Connection | G2A |
| Transducer Material | PU/PC/PTFE/PVDF |
| Process Temperature | -50°C to +80°C |
| Process Pressure | -0.02 MPa to 0.1 MPa |
| Measuring Range | 0.4m to 12m |
| Transmit Frequency | 43KHz |
| Beam Angle | 5.5° |
| Signal Output | 4–20mA+HART, Modbus, RS485, Profibus PA, Foundation Fieldbus |
| Certifications | CE, EMC, FCC Part 15 |
