Product Details
Gas Concentration Detector Main Board / Alarm Control Board
Product type: gas detector main board and display board solution
Output signal: 4-20mA / RS485 / relay output
Optional modules: LCD display, LED display board, 4G communication chip, LoRa wireless module
Application: fixed gas detector, industrial gas alarm, carbon monoxide detector, gas transmitter, OEM gas detection projects.
Features:
Supports 4-20mA output
Supports RS485 communication
2-channel relay output
Optional 4G long-distance communication
Optional LoRa wireless communication
Suitable for various metal detector housings and easy installation
One-on-one technical support for customization and debugging
Package includes:
1 x Gas Detector Main Board Set
About Us:
We are a source manufacturer focused on gas detection products, circuit board development and OEM customization. We provide gas detector main boards, gas sensor modules, alarm control boards, display boards and communication modules.
Our team supports PCB design, firmware development, sensor matching, product debugging, OEM / ODM production and technical support. We can help customers develop customized gas detection products according to different applications, housings, display requirements and communication methods.
We provide stable quality, fast response and one-to-one technical support. For bulk orders, customized projects or gas detector solutions, please contact us for details.
Available Models & Reference Prices
| Model | Model / SKU | Reference Price |
|---|---|---|
| Detector PCB + LCD + Round PCB | BOARD-LCD-ROUND | $47.94 USD |
| Detector PCB + Bright LED | BOARD-BRIGHT-LED | $30.82 USD |
| Detector PCB + LED + LoRa | BOARD-LED-LORA | $104.34 USD |
| Detector PCB + LED + 4G Chip | BOARD-LED-4G | $104.34 USD |
| Detector Enclosure (2 pcs) | HOUSING-2PCS | $39.63 USD |
| Detector Enclosure V2 | HOUSING-V2 | $30.82 USD |
| O2 Oxygen Module | O2-MODULE | $58.37 USD |
| CO2 Module | CO2-MODULE | $191.33 USD |
| NO Module | NO-MODULE | $62.61 USD |
| H2S Module | H2S-MODULE | $62.61 USD |
| CO Module | CO-MODULE | $43.86 USD |
| H2 Module | H2-MODULE | $191.33 USD |
| Built-in Pump Suction | BUILTIN-PUMP | $106.46 USD |
| Combustible Sensor (10 pcs) | COMBUSTIBLE-10PCS | $47.94 USD |
| N55A Imported Sensor x5 | N55A-5PCS | $33.43 USD |
| N55S Imported Sensor x5 | N55S-5PCS | $35.39 USD |
| 4-Series O2 Sensor Board Set | 4SERIES-O2-SET | $73.05 USD |
| 7-Series O3 Sensor Board Set | 7SERIES-O3-SET | $37.51 USD |
The displayed currency follows the current language. Prices are for selection reference only; contact us to confirm the final quotation, lead time, and configuration.









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