Key facts
- Brand
- Siemens
- Model
- LU02
- Industry
- Industrial
- Documents
- 2
- Languages
- ZH
- Last added
- 2012-03-01
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Siemens SITRANS LU 01 and LU 02 Ultrasonic Transmitter Manual
The SITRANS LU 01 is a single‑point long‑range ultrasonic level transmitter for liquids and solids, while the SITRANS LU 02 provides dual‑point measurement. Both devices use patented sound‑intelligent echo processing and can be installed up to 365 m from the sensor. They feature a back‑lit LCD that displays user‑defined engineering units and support RS‑232, RS‑485 or 4‑20 mA current loop communication.
The manual includes product features, technical specifications, ordering information, wiring diagrams and communication options such as SmartLinx and Dolphin Plus. It also lists environmental ratings, power requirements and optional accessories like detachable infrared keypads. This manual is written in Chinese.
Siemens LU02 specifications
| Measurement range | 0.3 – 60 m |
|---|---|
| Measurement points | LU 01: 1 point, LU 02: 2 points |
| Output signal | 4‑20 mA (isolated) |
| Resolution | 0.1 % of range |
| Accuracy | 0.25 % of range or 6 mm (whichever larger) |
| Temperature compensation range | -50 °C to +150 °C |
| Enclosure protection rating | IP65 (wall‑mounted) |
| Weight | 2.7 kg |
| Power supply (AC) | 100/115/200/230 V AC ±15 % 50/60 Hz |
| Power supply (DC) | 18–30 V DC, 25 W |
Source: Siemens SITRANS LU 01 and LU 02 Ultrasonic Transmitter Manual
All Siemens LU02 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the maximum measurement range of the SITRANS LU transmitters?
The devices can measure up to 60 meters.
From: Siemens SITRANS LU 01 and LU 02 Ultrasonic Transmitter Manual
How many measurement points does the SITRANS LU 01 support?
SITRANS LU 01 supports a single measurement point.
From: Siemens SITRANS LU 01 and LU 02 Ultrasonic Transmitter Manual
What is the measurement range of the SITRANS LU01/LU02?
The transmitters can measure distances from 0.3 m up to 60 m.
From: Siemens SITRANS LU01/LU02 Ultrasonic Level Transmitter User Manual
How many measurement points does each model support?
The LU01 supports up to one measurement point, while the LU02 supports up to two points.
From: Siemens SITRANS LU01/LU02 Ultrasonic Level Transmitter User Manual