Siemens LR460 vs. Siemens LR560

Attribute	Siemens LR460	Siemens LR560
Measurement range	0-10 m	0-60 m
Accuracy	±2 mm	±1 mm
Resolution	1 mm	0.1 mm
Output	4-20 mA	4-20 mA
Power supply	24 VDC	24 VDC

Introduction

Siemens is a well-known brand in the field of level measurement technology, offering a range of products to meet various industrial needs. Two popular models in their lineup are the Siemens LR460 and Siemens LR560. In this article, we will compare the attributes of these two models to help you make an informed decision when choosing a level transmitter for your application.

Measurement Range

The Siemens LR460 has a measurement range of up to 65 feet, making it suitable for applications where the level of the material being measured is within this range. On the other hand, the Siemens LR560 offers a wider measurement range of up to 100 feet, allowing it to be used in applications where the level exceeds the range of the LR460. This difference in measurement range can be a crucial factor in determining which model is best suited for your specific needs.

Accuracy

Both the Siemens LR460 and LR560 are known for their high level of accuracy in level measurement. The LR460 offers an accuracy of +/- 0.25% of the measured distance, while the LR560 provides an even higher accuracy of +/- 0.15% of the measured distance. This difference in accuracy may be important in applications where precise level measurement is critical, such as in industries where small variations in level can have a significant impact on operations.

Communication Protocols

When it comes to communication protocols, the Siemens LR460 and LR560 offer similar options. Both models support HART communication protocol, allowing for easy integration with existing control systems. Additionally, the LR560 also supports Profibus and Modbus protocols, providing more flexibility in communication options compared to the LR460. This can be advantageous in applications where specific communication protocols are required.

Display and Interface

Both the Siemens LR460 and LR560 come equipped with a user-friendly interface for easy configuration and monitoring of the level transmitter. The LR460 features a simple LCD display with basic menu options, while the LR560 offers a more advanced graphical display with intuitive navigation menus. This difference in display and interface can be a factor to consider based on the user's familiarity with the technology and the level of detail required in monitoring the level measurement.

Installation and Maintenance

Installation and maintenance are crucial aspects to consider when choosing a level transmitter. The Siemens LR460 and LR560 are designed for easy installation, with mounting options that cater to various installation requirements. Both models also come with diagnostic features that help in troubleshooting and maintenance. However, the LR560 offers additional diagnostic capabilities compared to the LR460, making it easier to identify and address issues quickly.

Environmental Considerations

Both the Siemens LR460 and LR560 are built to withstand harsh environmental conditions commonly found in industrial settings. They are designed to be resistant to dust, moisture, and temperature variations, ensuring reliable performance in challenging environments. However, the LR560 offers a higher level of protection with an IP67 rating compared to the IP65 rating of the LR460. This difference in environmental protection may be a deciding factor in applications where the level transmitter is exposed to extreme conditions.

Conclusion

In conclusion, the Siemens LR460 and LR560 are both reliable and accurate level transmitters that cater to different industrial needs. The LR460 is suitable for applications with a measurement range of up to 65 feet, while the LR560 offers a wider range of up to 100 feet. The LR560 also provides higher accuracy, additional communication protocols, and enhanced diagnostic capabilities compared to the LR460. When choosing between these two models, it is essential to consider factors such as measurement range, accuracy, communication protocols, display and interface, installation and maintenance, and environmental considerations to ensure that you select the model that best meets your specific requirements.