SITRANS LR 400 radar meter instruction manual, introducing the instrument structure, specifications, installation, startup, operation, maintenance and other content, and provided parameter table, programming table, environment/working temperature description, process pressure/temperature deduction method, HART communication, PROFIBUS PA communication and other appendices
This manual covers all aspects of the SITRANS LR 400 radar level transmitter, including safety precautions, mechanical structure, dimensions, and environmental requirements. Qualified personnel must follow the safety instructions and local regulations when installing and operating the device.
Detailed sections describe electrical connection, startup, self‑test, programming (HART and PROFIBUS PA), fault diagnosis, maintenance procedures, and optional accessories such as the infrared hand‑controller. The document also provides specification tables, communication setup examples, and certification information. This manual is written in Chinese.
| Power supply | 120‑230 V AC, 50/60 Hz, 6 W (or 24 V DC, 6 W) |
|---|---|
| Digital output | Relay, NCC or NOC, max 50 V DC, 200 mA, 5 W |
| Display | LCD, two rows, 16 characters per row |
| Operating temperature | -40 °C to 65 °C |
| Ingress protection | IP67 (Type 4X/NEMA 4X, Type 6/NEMA 6) |
| Weight (4" / 100 mm flange) | 12.7 kg (28 lb) |
Installation and operation must be performed by qualified personnel following the safety warnings and local regulations to prevent injury or damage.
The device can be powered from 120‑230 V AC (50/60 Hz) or from 24 V DC, each consuming about 6 W.