Functional Features

The GDS combustible/toxic gas alarm system integrates real-time monitoring, early warning processing, remote control, equipment management and integration.

The system has the characteristics of advanced technology, reliable operation, rich functions, easy to use and easy to maintain;

1. Adopt advanced design ideas and equipment, make full use of existing high-tech, and the system reaches the domestic advanced level.

2. Use mature technologies, brands and models, and build them in standard ways to ensure the good operation of the system.

3. The design, manufacturing and verification of this product complies with the following national standards:

GB15322.2-2003 "Combustible Gas Detector Part 2: Independent combustible gas detector with measurement range of 0~100%LEL"

GB3836.1-2000 "Electrical Equipment for Explosive Gas Environment Part 1: General Requirements"

GB3836.2-2000 "Electrical Equipment for Explosive Gas Environment Part 2: Explosion-proof Type "d"

GB16808-1997 "Technical Requirements and Test Methods of Combustible Gas Alarm Controllers"

GB4208-93 "Shell Protection Level (IP Code)"

GB/T13384-92 "Technical Conditions for Packaging and Application of Mechanical and Electrical Products"

It can support various network and terminal devices, support various system structures and open communication protocols.

4. The system structure is advanced and reasonable, and the software and hardware expansion is convenient.

5. Supports fault detection and recovery, and is highly manageable.

6. Fully combine on-site actual conditions and the communication methods selected by users to meet the system application requirements.

7. Choose domestically easy to support and standardized product model agreements to open and maintain

8. When designing, fully consider the actual situation of the owner and achieve a higher performance-price ratio

Technical Specifications

GDS gas alarm control system part:

1. Real-time monitoring of the real-time status of the detector (online, offline, fault, alarm);

2. Detailed alarm recording, fault information recording, and maintenance recording recording;

3. Realize early alarm, alarm linkage, remote alarm handling, equipment self-test, equipment reset and other functions of the gas alarm system;

4. View real-time/historical alarm information, export and print alarm information; query alarm information at any time to provide data information for disaster prevention, prediction, rescue, and fault identification;

Ensure precise prevention and control, quick response, scientific decision-making, and efficient handling;

It can effectively prevent the occurrence of enterprise safety accidents, realize gas leakage and management in the production process, and ensure enterprise production safety.

Gas alarm controller part

Installation method:

   Vertical cabinet type (standard cabinet)

Input signal:

With N-channel 4-20mA analog detector input, programmable N-channel relay output, 2-channel RS-485 digital channels, analog and digital channels can be used simultaneously, and a control cabinet can have up to 80 alarm signals

Communication method:

It has the function of uploading the microcomputer with modbus protocol RS485 communication

Exterior dimensions: 40 (width) X40 (length) X160 (height) cm (standard cabinet, size optional)

Working power supply: 85-265VAC (50-60HZ)

Temperature range: -20-45℃

Humidity range: 10-90RH (no condensation)

Air pressure range: 86-106Kpa

Output signal: passive contact, capacity 2A/AC220V

Display method: Large screen LCD Chinese menu display

Alarm method: built-in sound and light alarm and fault condition recording

Alarm output: relay output

Gas detector part:

Detection principle: electrochemical, infrared, catalytic combustion, PID photoion and other detection gases: combustible gas (alkanes, alcohols, alkenes, ketones, gasoline, etc.);

Sampling method: natural diffusion;

Test range: combustible gas (0-100%) LEL;

         Toxic gases (measurement range varies depending on the gases)

Resolution: 1%LEL of combustible gas; 1ppm
measurement error of toxic gas: full scale ±5%; alarm point ±3%
display method: high-definition color screen;
status indicator: 3 LED indicator fault, first-level alarm, second-level alarm;
debugging method: infrared remote control or button;
alarm method: LED indicator alarm, relay output, sound and light alarm (optional)
Response time: T90≤30 seconds;
recovery time: ≤30 seconds;
ambient temperature: -40℃~70℃;
relative humidity: ≤95%RH; (non-condensing)
Explosion-proof method: explosion-proof type;
explosion-proof level: ExdⅡCT6;
power supply: DC24V±25%;
output signal: bus RS485 (RTU), network transmission (optional), three (four) wire system 4~20mA (optional),
switching quantity: 3
functions Consumption: ≤3W;