China CA-91D Intelligent RS485 Gas Alarm Controller - Factory Suppliers for Combustible Gas Detection System
CA-91D is a professional bus type gas alarm controller designed for centralized monitoring of combustible gas detection systems. With advanced RS485 communication technology, LCD display, and intelligent alarm management functions, it provides reliable gas leakage monitoring and safety protection solutions for commercial and industrial environments.
The controller supports connection with up to 10 gas detectors, allowing users to monitor multiple gas detection points through one centralized control unit. It is suitable for applications requiring efficient gas safety management, including LPG stations, boiler rooms, restaurants, petrochemical facilities, oil storage areas, and industrial plants.
Central LCD Display & Simple Operation
CA-91D adopts a clear central LCD display, providing real-time monitoring information. The intuitive interface makes operation and maintenance easier.
- Gas concentration status
- Alarm conditions
- System faults
- Operating status
RS485 Bus Communication
The controller uses reliable RS485 bus communication technology with key advantages:
- Four-wire bus signal transmission
- Stable communication performance
- Transmission distance up to 1000m
- Suitable for medium-size gas monitoring projects
Supports Maximum 10 Gas Detectors
CA-91D can connect with up to 10 gas detectors, enabling centralized monitoring of multiple areas. Suitable for:
- LPG gas stations
- Gas boiler rooms
- Restaurants and kitchens
- Commercial buildings
- Industrial plants
Multiple Alarm Functions
When abnormal gas concentration occurs, the controller quickly activates alarm signals to improve safety response.
- Gas concentration over-limit alarm
- Fault alarm
- Audible and visual alarm output
- Programmable relay output
Wireless Remote Transmission
Built-in wireless remote transmission module allows convenient remote monitoring and system management.
Reliable Surge Protection Design
This design improves equipment stability and reduces the impact of electrical interference.
- Power surge protection
- Signal surge protection
Commercial Applications
CA-91D is widely used in:
- LPG stations
- Gas boiler rooms
- Restaurants
- Villas
- Basements
- Commercial kitchens
- Other gas consumption areas
Industrial Applications
Suitable for:
- Petrochemical industry
- Oil storage facilities
- Automotive manufacturing
- Shipbuilding industry
- Industrial gas usage sites
Product Advantages
Q How many gas detectors can the CA-91D controller support?
The CA-91D gas alarm controller supports connection with up to 10 gas detectors, allowing users to monitor multiple points through a single centralized unit.
Q What communication technology does the CA-91D use?
The controller utilizes RS485 bus communication technology, featuring stable four-wire signal transmission over distances up to 1000 meters.
Q What warning functions are provided by the system?
It supports multiple alarm functions, including gas concentration over-limit alarms, system fault alarms, audible and visual alarm outputs, and programmable relay outputs.
Q Can the CA-91D controller be monitored remotely?
Yes, the system is equipped with a built-in wireless remote transmission module, which allows for convenient remote monitoring and safety system management.
Q Does this gas alarm controller have surge protection?
Yes, the CA-91D has a reliable built-in surge protection design that includes both power surge protection and signal surge protection to enhance system stability and reduce electrical interference.
Q Where is this controller typically used?
It is widely used in commercial areas such as LPG stations, boiler rooms, restaurants, and villas, as well as industrial settings like petrochemical plants, oil storage facilities, and automotive manufacturing sites.