Siemens SITRANS LR 400 Level Transmitter User Manual

This manual introduces the structure, system applications, programming, technical specifications, dimensions, installation, startup, operation, parameters, fault repair, etc. of SITRANS LR 400.

Brand: Siemens
Document type: User Manual
Language: Chinese
Pages: 106
File format: PDF
File size: 586 KB
Updated: 30 September, 2023
Model: LR400
MD5 checksum: 1D242B461C776340C1792FCD707998A3
PDF: Siemens SITRANS LR 400 Level Transmitter User Manual PDF

About this manual

The SITRANS LR 400 is a frequency‑modulated continuous‑wave radar level transmitter. This manual provides safety information, installation steps, wiring details and operating instructions for both HART and PROFIBUS PA communication.

Technical data such as power requirements, measurement range, output signal and environmental ratings are listed, along with troubleshooting guidance and maintenance procedures. This manual is written in Chinese.

What's inside

Safety Information
Installation
Operation
Technical Specifications
HART Communication
PROFIBUS PA Communication
Programming
Maintenance

Specifications

Power supply (AC)	120–230 V AC, 6 W
Power supply (DC)	24 V DC, 6 W
Measurement range	0.35 m to 50 m (1.15 ft to 164 ft)

Frequently asked questions

What is the measurement range of the LR 400?

It measures from 0.35 m up to 50 m (approximately 1.15 ft to 164 ft).

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