YA-D400 Fixed LPG Gas Leak Detector - 205×209×84mm Wall Mount with IP67 Protection and 4-20mA Output
The YA-D400 series point-type gas detectors are engineered for industrial safety applications across chemical plants, petroleum facilities, metallurgy operations, liquefied gas stations, painting operations, and gas transmission systems. These wall-mounted detectors provide reliable monitoring in both indoor and outdoor environments susceptible to toxic and combustible gas leaks.
- Real-time gas concentration display with clear backlit screen
- Fault alarm, high and low alarm threshold monitoring
- Infrared remote control operation - no need to open cover
- Three distinct sound and light outputs for fault, low, and high alerts
- Zero, calibrate, and test functions for maintenance
- DC4-20mA standard signal output
- Multiple communication options: RS485, two buses, LoRa
- High-performance ARM microprocessor for reliable operation
- Three relay outputs (250V 5A) for automatic fan and solenoid valve control
- Stores 40 high and low alarm records
- Unit conversion capability for toxic gas measurements
| Parameter | Specification |
|---|---|
| Product Name | YA-D400 Fixed Gas Alarm Detector |
| Dimensions | 205 × 209 × 84mm |
| Output Signal | 4-20mA Current Signal |
| Measurement Units | PPM, Mg/m³, Vol%, LEL%, PPHM, Ppb, Mg/l |
| Protection Level | IP67 |
| Sensor Type | Combustible: Catalytic Combustion; Toxic: Electrochemical |
| Working Type | Continuous Operation |
| Detection Mode | Diffused |
| Precision | ±5% FS (sensor determined) |
| Weight | ≤2kg |
Ideal for industrial facilities including chemical plants, oil refineries, manufacturing plants, commercial buildings, hospitals, and public spaces. Provides reliable detection of methane, propane, hydrogen, carbon monoxide, and other hazardous gases to prevent accidents and ensure workplace safety.
Comprehensive technical support including installation assistance, commissioning services, operator training, calibration and testing, 24/7 technical support, and repair services to ensure optimal performance and reliability.
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