GDB9 Intelligent Gas Alarm Controller

GDB9 Intelligent Gas Alarm Controller

Bring detector alarms into one view for an operator-led response.

  • Connect detectors

    4–20 mA inputs support compatible field detector signals.

  • Make alarms actionable

    Configurable levels and relay outputs can tie into the site's response plan.

  • Review events

    Screen history and trend views help investigate a triggered alarm.

Confirm channel count, detector compatibility and backup-power options for this GDB9 configuration.

Overview

The GDB9 Gas Alarm Controller (hereinafter referred to as the Controller) is a product developed by our company, capable of processing multiple 4~20 mA/RS485 signal channels simultaneously. It features excellent stability, high accuracy, and intelligent parameter configuration. With abundant external control ports, users can freely select detector types and connection ports, enabling on-site monitoring and alarm systems through simple setup and wiring.

The controller is primarily used for monitoring flammable gases, displaying numerical indicators of the gas to be tested. When the concentration of a specific gas under test at the site fails to meet the preset standards, the system automatically triggers a series of alarm actions, such as audible alarms, exhaust ventilation, or tripping (depending on user configurations).

Years of market application have demonstrated that this product features user-friendly design, outstanding performance, stable and reliable operation, convenient installation and maintenance, as well as comprehensive gas measurement capabilities. It fully meets the requirements of industrial safety monitoring for high equipment reliability, operational stability, and diverse gas measurement options.

Gas alarm controllers are widely used in industries such as military, mining, healthcare, petrochemicals, metallurgy, animal husbandry, refining and chemical processing, gas transmission and distribution, production process control, environmental protection, and water treatment.

Key Features

Alarm Settings & Response

  • Customizable Alarm Setpoints
  • Customizable Gas Names & Tag Numbers
  • Built-in audible & visual alarm

Detector Inputs, Outputs & Records

  • 32-Channel 4-20mA Interface
  • Alarm record query function
  • Historical curve display function
  • 6-Channel Switch Quantity Output
  • Alarm & Fault Record Storage
  • Optional 4G Cloud Upload

Operator Controls & Power

  • Customizable Device Time
  • Color LCD touch screen operation
  • Freely selectable split/bus wiring mode
  • Manual reset & mute function
  • Fault self-check function
  • Button & Touchscreen Operation
  • Password Management
  • Automatic Main/Backup Power Switching
  • OEM & ODM & OBM:

Technical Specifications

Mounting method  wall-mounted
Indication mode  8-inch color touch LCD screen, audible & visual alarm
Network port  1 channel
Passive switch output  6 channels
Mounting  fixed wall installation on site
Detector interface  3-wire port for 4~20mA current signal; 4-bus port for RS485 signal
(connectable detector quantity subject to actual site condition)
Alarm mode  audible & visual alarm
Alarm threshold  two-stage alarm, configurable by user
Main power supply  AC220V±15%,50Hz±1% (3A main fuse)
Detector supply voltage  DC24V±10%
Low backup battery alarm threshold  DC21V±1V
Relay capacity  3A
Ambient temperature  -10℃ ~+55℃
Relative humidity  20~93%RH, non-condensing
No-load power  ≤30W; Max output power:200W (DC24V)
Pressure range  86~106KPa
Cable requirements for connecting the detector to the controller
GDB9 split wire  RVVP 3×1.5mm²;
GDB10 bus  RVVP 4×1.5mm²
Communication distance  ≤1500m
Product weight  8.5kg
Product dimension  L435×W300×H118 mm

Request a Quote

Tell us the detector count, input signals, relay needs, power arrangement and quantity.

    User Type:

    Country: