I. Product Overview

The JH-ZK type combustible gas alarm controller is used in places such as production, transportation, storage, and filling of combustible gases. It collects the concentration of combustible gases in the air detected by the combustible gas detectors (RS485 signal) at the collection points.

When the set alarm value is reached, output corresponding alarm and control signals to prompt on-site personnel to take timely safety measures. Can be connected to DCS, fire graphics systems, etc., and can simultaneously activate external equipment such as exhaust fans, solenoid valves, etc., to ensure personnel and equipment safety and prevent accidents due to the leakage of flammable gases.

Controllers are suitable for non-explosive areas such as fire control rooms and control centers.

Section II: Product Features

Utilizing a high-speed core processor, operates efficiently and stably.

2. Compatible with detectors that can connect to our RS485 signals.

3. Equipped with 2 sets of relay outputs

4. Outputs RS485/Modbus RTU signals for connection to computers and higher-level systems.

5. Features alarm status retention functionality;

6. Features alarm record storage and query capabilities with a capacity of 1,000 entries.

7. Modular design, each circuit operates independently.

III. Technical Specifications

Working Voltage: 220V AC ±15%

2. Backup Power Supply: External 12V DC / 7.2Ah x 2

3. Display Method: LCD Display

4. Compatible Detector Capacity: 1~32 Channels

Communication Method: RS485

6. Power Consumption: ≤60W

7. Concentration Units: %LEL, ppm, %VOL, mg/m³

8. Alarm Methods: High/Low Limit Alarm, Fault Alarm

9. Relay Outputs: 2 sets, interlockable, output capacity: 1A 220VAC

10. Operating Temperature: -10°C to 55°C

11. Working Humidity: ≤95%RH (Non-condensing)

12. Installation Type: Wall-mounted

13. Dimensions (mm): 300*105*430