1. Large screen LCD display with a user-friendly interface.

2. Fully Chinese instructions, simple operation.

3. Intuitively and accurately displays the gas concentration at the industrial site and the fault types of each unit module.

4. Features both audible and visual indicators for equipment failure and concentration alarm.

5. Equipped with self-test and self-diagnosis functions.

7. Supports automatic node search, software zero adjustment, and software calibration.

8. Password protection to prevent misuse.

10. Includes main and backup power switching with under-voltage protection.

11. Built-in two sets of alarm contact output control functions, with software-configurable linkage output logic.

12. Features calendar display and setting functions.

13. Uses M-BUS communication protocol for reliable data transmission; powerful functionality and stable performance.

14. Employs single-loop two-wire communication, non-polar signal connection design, automatic protection function, strong system anti-interference capability, economical wiring, and convenient installation and debugging.