This ultrasonic water level sensor provides accurate, non-contact measurement of liquid levels in various industrial and commercial applications. With its robust design and reliable performance, it is an efficient solution for tank monitoring, process control, and automated water management systems.
Specification
| Model |
ATO-LEVS-05 |
| Measuring Range |
0–1 m / 0–2 m / 0–3 m / 0–4 m / 0–5 m |
| Dead Zone |
0.25–0.6 m |
| Accuracy |
0.25–0.5% under standard conditions |
| Output Signal |
4–20 mA two-wire |
| Power Supply |
DC 12V / DC 24V / AC 220V |
| Display |
Built-in LCD for level/distance reading |
| Operating Temperature |
–20°C to +60°C |
| Protection Rating |
IP65 / IP68 |
Feature
- The ultrasonic fluid level sensor utilizes non-contact measurement to prevent sensor contamination from corrosive or dirty media.
- This ultrasonic level sensor comes with a clear LCD that displays real-time level or distance data for easy on-site reading.
- Designed for durability, the ultrasonic level transmitter is built with an IP65/IP68 enclosure, making it suitable for outdoor and harsh environments.
- Featuring two-wire 4-20mA output, the ultrasonic level sensor ensures simple integration with PLCs, displays, or control systems.
- With high precision and wide temperature tolerance, this ultrasonic tank level sensor supports stable operation in varied climatic conditions.
Dimension

Wiring Diagram
Two-wire Instrument Wiring
Note: Do not use the same DC24V power supply as the frequency converter. It is best to use an isolator.

Application

Installation method


Tips: What are the advantages of ultrasonic level sensors?
Ultrasonic level sensors offer significant advantages in industrial measurement and control applications. One of their most notable benefits is non-contact measurement, which allows them to operate without touching the liquid or solid medium. This design prevents sensor corrosion, contamination, or damage, making them ideal for aggressive chemicals, wastewater, or food-grade liquids where hygiene and sensor longevity are critical.
Another key advantage is their versatility in installation and compatibility with various container types. Unlike float or pressure-based sensors, ultrasonic liquid level sensor can be mounted above the liquid surface and are not affected by tank shape, pressure, or material. They can measure through vapors and light foams, and with proper calibration, provide stable readings even in environments with temperature fluctuations or airborne particles.
Additionally, ultrasonic level transmitter typically require minimal maintenance due to their lack of moving parts and robust construction. Many models are designed with high ingress protection ratings such as IP65 or IP68, allowing reliable performance in outdoor, wet, or dusty conditions. Their ability to output standard 4–20mA or digital signals enables seamless integration with PLCs, SCADA systems, and automation controllers, supporting real-time monitoring, alarming, and process control without frequent manual intervention.