YA-D400 Fixed Gas Detector for CO2 & CH4 - 205×209×84mm Dimensions with 4-20mA Output and IP67 Rating
The YA-D400 series point-type gas detectors provide reliable monitoring for carbon dioxide (CO2), methane (CH4), and various toxic gases in industrial environments. Designed for chemical plants, petroleum facilities, gas transmission systems, and confined spaces.
- Concentration display with backlit screen (205×209×84mm dimensions)
- Fault, high, and low alarm indicators with red backlight activation
- Infrared remote control input for convenient operation
- Three sound and light outputs for different alarm conditions
- Zero, calibrate, and test functions
- DC4-20mA standard signal output
- Multiple communication modes: RS485, two buses, and LoRa
- High-performance ARM microprocessor
- Three relay outputs (250V 5A) for automatic control
- Stores up to 40 high and low alarm records
- Unit conversion capability for toxic gas measurements
| Parameter | Specification |
|---|---|
| Power Supply | 24V DC |
| Power Consumption | Combustible: ≤4W; Oxygen/Toxic: ≤3W |
| Gas Units | PPM, Mg/m³, Vol%, LEL%, PPHM, Ppb, Mg/l |
| Dimensions | 205×209×84mm |
| Output Signal | 4-20mA, Modbus |
| Sensor Type | Combustible: Catalytic Combustion; Toxic: Electrochemical (imported) |
| Installation | Pipeline Type, Wall Mounting Type |
| Protection Class | IP67 (dust and water immersion resistant) |
| Minimum Reading | Combustible: 1% LEL; Toxic: 0.1μmol/mol |
| Material | Die-casting Aluminum |
| Operating Temperature | -20°C to 50°C (-4°F to 122°F) |
| Response Time | <30 seconds |
Ideal for chemical plants, oil refineries, gas pipelines, underground parking lots, tunnels, laboratories, hospitals, and other confined spaces requiring gas monitoring and leak prevention.
Detects carbon dioxide (CO2), methane (CH4), carbon monoxide (CO), hydrogen sulfide (H2S), and various toxic/combustible gases.
Fast response time of less than 30 seconds for accurate detection.
Yes, designed for both indoor and outdoor applications with IP67 protection.
Manufactured in Shandong, China with quality imported sensors.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.