Dalian Yheng Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of Small Range Ultrasonic Level Sensor in China. Welcome to buy high quality Small Range Ultrasonic Level Sensor in stock here from our factory. If you have any enquiry about customized service, please feel free to email us.
Technical Specifications
| Parameter | UTG21‑W |
|---|---|
| Accuracy | ±0.3%FS (under standard condition) |
| Resolution | 1 mm |
| Probe Frequency | 40 kHz±2 kHz |
| Measurement Cycle | 0.5 s per reading |
| Power Supply | DC 12‑36 V (typical 24 VDC), power consumption approx. 80 mA |
| Signal Output | Standard: 4‑20 mA; Optional: RS485‑Modbus‑RTU |
| Ingress Protection | IP65 |
| Operating Temperature | -20℃～+60℃ |
| Housing Material | ABS engineering plastic |
| Cable Gland | PG9 |
| Mounting Thread |
M‑thread with mounting lock nut |
Features
- Non‑contact measurement: The probe keeps away from water or sewage, resisting corrosion and clogging for low maintenance.
- Small blind‑zone advantage: 0.15 m blind zone, better suited for shallow water tanks, sump pits and small sewage tanks compared with UTG21‑S.
- Built‑in temperature compensation to correct sound‑velocity deviation caused by temperature change. Intelligent echo processing suppresses on‑site electrical interference.
- Outputs distance signal. Liquid‑level calculation formula for upper‑level device: Liquid Level = Total Tank Height − Measured Distance.
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