This manual introduces the features of the Emerson AiRanger SPL sensor, including: Introduction, Features, Programming Features, Manual, Specifications, Electrical Characteristics, etc.
The SITRANS LU 01 is an ultrasonic level monitoring system from Siemens that measures liquid or solid levels without contacting the material. It uses a Siemens‑Milltronics ultrasonic probe and optional temperature sensor to calculate distance based on echo time.
The instruction manual covers product specifications, installation requirements, electrical characteristics, probe mounting, wiring diagrams, programming via the handheld controller, Dolphin Plus software or SmartLinx, supported communication protocols, and detailed fault‑diagnosis procedures such as the LOE error display. This manual is written in Chinese.
| AC power supply | 100/115/200/230 V AC ±15%, 50/60 Hz, 31 VA |
|---|---|
| DC power supply | 18 V to 30 V DC, 25 W |
| Measurement range | 0.3 m (1 ft) to 60 m (200 ft) |
| Accuracy | 0.25 % of range or 6 mm (whichever is larger) |
| Resolution | 0.1 % of range or 2 mm (whichever is larger) |
| Temperature compensation range | -50 °C to 150 °C |
| 4‑20 mA output load | Maximum load 750 Ω |
It can measure from 0.3 m (1 ft) up to 60 m (200 ft).
The device supports PROFIBUS DP, Allen‑Bradley Remote I/O, Modbus RTU and DeviceNet.
A flashing “LOE” indicates a measurement fault; the manual lists checks such as probe alignment and target surface within range.