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Gas Detection System Alarm Controller ‌Bus System‌ Multi-channels Gas Detector Controller 4-20mA RS485 Output

Categories Gas Detector
Brand Name: JUGE
Model Number: None
Certification: IOS9001, CE
Place of Origin: Nanjing, China
MOQ: 1 Unit
Price: USD100-1000
Payment Terms: Online order,T/T
Supply Ability: 100 Unit/Week
Delivery Time: 5-8 working days
Packaging Details: Neutral carton
Name: Gas Alarm Controller
Channels: 4/8/16/32 channels (optional)
‌Input Voltage: AC 220V ±20%, 50Hz
Detector Power: DC 24V, 300mA per channel
‌Input Signal: 4-20mA (RS485 optional)
Alarm: Audible: >80dB at 1m; Visual: optional
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Gas Detection System Alarm Controller ‌Bus System‌ Multi-channels Gas Detector Controller 4-20mA RS485 Output

Gas Detection System Alarm Controller Bus System Multi-channels Gas Detector Controller 4-20mA RS485 Output

>>Overview

This product is a 4/8/16/32-channel gas alarm control panel. It consists of a universal metal enclosure, switching power supply, main board, interface board, and alarm units. The display section features 0.8-inch digital tubes that ‌sequentially show‌ gas concentrations for each channel, delivering clear visibility adaptable to various lighting conditions while indicating channel status. The keypad incorporates multiple high-quality buttons offering comfortable tactile feedback to enhance user operation.

The programming implements a high-security trigger mechanism: key recognition initiates upon pressing and completes upon release. Key signals shorter than 20ms are invalid, those between 20ms–3s register as standard presses, and signals exceeding 3s trigger long-press detection. The system provides audible and visual alarms with multiple relay outputs.


>>Features

◆ ‌Power Supply‌: AC 220V ±20%, 50Hz; Output: DC 24V; Power consumption <2W.
◆ ‌Dual Display‌: Digital tubes and LEDs ensure long lifespan, high brightness, and low power consumption. Clear visibility adapts to varying lighting, displaying concentration, units, alarms, and faults intuitively.
◆ ‌Embedded MCU‌: Features ST’s 32-bit high-performance, low-power microcontroller for rapid signal processing from detectors and real-time concentration display.
◆ ‌Audio-Visual Alarms‌: Visual alarms (optional); distinct audible alerts for faults, low/high alarms.
◆ ‌Relay Outputs‌: Up to 4 dry-contact relays with customizable configurations for diverse applications.
◆ ‌Flexible Detector Signals‌: Supports 4-20mA or RS485 (default: 4-20mA; RS485 optional).
◆ ‌Mute Function‌: Silences false alarms triggered by misoperation or testing.
◆ ‌Channel Lock (16-ch)‌: Allows locked-channel switching for real-time monitoring/testing.
◆ ‌Ergonomic Keypad‌: Large, high-quality buttons with optimal tactile feedback for enhanced operation.
◆ ‌Robust Enclosure‌: Simple waterproofing between door and body; smooth-finished metal shell for touch comfort and pressure resistance.
◆ ‌Ingress Protection‌: Water/dust-proof cable glands secure wiring entries.
◆ ‌Wall-Mounted‌: Easy installation/removal; optional brackets available.



>>Main technical parameters

Display MethodDigital tubes, LED indicators

Input Voltage

AC 220V ±20%, 50Hz

Power Consumption<2W
Channels4/8/16/32 channels (optional)
Detector PowerDC 24V, 300mA per channel
Input Signal4-20mA (RS485 optional)
Relay OutputDry contact; Capacity: AC 220V/2A, DC 24V/2A
AlarmAudible: >80dB at 1m; Visual: optional
Operating Temp.-20℃ to +50℃
Operating Humidity≤95% RH (non-condensing)
MaterialCold-rolled steel sheet with spray coating
InstallationWall-mounted (custom brackets optional)
DimensionsL325×W220×H74mm (16-channel)
WeightApprox. 2.6 kg (16-channel)


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