Intelligent CA-91K Gas Alarm Controller with LCD & RS485 for Industrial Safety - China Suppliers & Factory
CA-91K is a professional bus type gas alarm controller designed for centralized monitoring of combustible gas detection systems. It adopts LCD display technology, RS485 bus communication, and intelligent alarm management functions to provide reliable gas leakage monitoring solutions for commercial and industrial environments.
The controller supports connection with up to 22 gas detectors, allowing users to monitor multiple detection points through one centralized control unit. With high-performance signal transmission, programmable output functions, and built-in protection design, CA-91K ensures stable operation and improved safety management efficiency.
1. Clear LCD Display & Easy Operation
Equipped with a central LCD screen, the controller provides clear real-time information display including:
- Gas concentration status
- Alarm status
- Fault information
- System operation conditions
The intuitive interface makes daily operation and maintenance easier.
2. RS485 Bus Communication
CA-91K adopts RS485 bus communication mode with stable signal transmission performance.
Features:
- Four-wire bus signal transmission
- Maximum communication distance up to 1000 meters
- Suitable for large-area gas monitoring projects
- Reliable communication with multiple detectors
3. Supports Max 22 Gas Detectors
The controller can connect up to 22 gas detectors, providing centralized monitoring for multiple gas detection points.
It is suitable for:
- Medium and large commercial buildings
- Industrial plants
- Gas stations
- Chemical production areas
4. Multiple Alarm Functions
The system supports:
- Gas concentration over-limit alarm
- Fault alarm
- Audible and visual alarm output
- Programmable relay output control
When abnormal gas concentration is detected, the system quickly activates alarm signals to improve safety response efficiency.
5. Remote Transmission
The controller integrates a wireless remote transmission module, allowing convenient remote monitoring and system management.
6. Reliable Surge Protection
Internal installation includes:
- Power surge protection device
- Signal surge protection device
Effectively improves equipment stability and protects the system from electrical interference.
Commercial Gas Safety Applications
CA-91K is widely used in:
- LPG stations
- Gas boiler rooms
- Restaurants and commercial kitchens
- Schools
- Shopping malls
- Commercial complexes
- Villas
- Basements
- Other gas consumption areas
Industrial Gas Safety Applications
Suitable for:
- Oil storage facilities
- Pharmaceutical factories
- Chemical enterprises
- Petrochemical industries
- Automotive manufacturing
- Shipbuilding industries
- Industrial gas usage areas
How many gas detectors can the CA-91K controller support?
The CA-91K controller supports centralized connection and monitoring for up to 22 gas detectors simultaneously, making it ideal for multi-point monitoring setups.
What type of communication technology does this controller use?
It utilizes RS485 bus communication technology featuring a four-wire signal transmission system. This ensures stable data flow and supports transmission distances up to 1000 meters.
Does the CA-91K controller support remote system monitoring?
Yes, the controller has a built-in wireless remote transmission module that enables seamless remote monitoring and system management operations.
What kinds of alarm features are integrated into the system?
The system features gas concentration over-limit alarms, system fault alarms, audible and visual alarm outputs, and programmable relay output control to manage external safety devices.
How does the device protect itself from electrical surges?
The CA-91K features built-in dual-protection hardware including dedicated power surge protection and signal surge protection devices to safeguard the system against electrical interferences.
Where is this gas alarm controller commonly applied?
It is widely implemented in commercial environments (such as boiler rooms, restaurants, schools, and malls) as well as industrial settings (including petrochemical plants, oil storage facilities, and manufacturing factories).