YA-D400 Fixed Gas Detector with 2kg Weight, 24V Power Supply and ±5%FS Accuracy for Industrial Safety
The YA-D400 series fixed gas detectors provide reliable monitoring in environments where toxic and combustible gases may be present. Designed for industrial applications including chemical plants, petroleum facilities, metallurgical operations, and gas transmission stations.
- Accurate gas concentration display with backlit screen
- Three alarm types: fault, high, and low concentration alerts
- Infrared remote control operation without cover removal
- Multiple communication modes: RS485, two buses, LoRa
- DC4-20mA standard signal output
- Three relay outputs (250V 5A) for automatic control
- 40 high/low alarm record storage capacity
- Unit conversion between mg/m³ and μmol/mol
- High-performance ARM microprocessor
| Parameter | Specification |
|---|---|
| Product Name | YA-D400 Fixed Gas Alarm Detector |
| Power Supply | 24V DC |
| Power Consumption | Combustible: ≤4W; Oxygen/Toxic: ≤3W |
| Detection Range | Combustible: 0-100%LEL; Toxic: 0-1000 μmol/mol |
| Accuracy | ±5% FS (sensor determined) |
| Response Time | Toxic: ≤60 seconds; Combustible: ≤30 seconds |
| Sensor Life | 36 months (depending on sensor) |
| Operating Temperature | Combustible: -40°C to 70°C; Toxic: -20°C to 60°C |
| Weight | 2kg |
| Dimensions | 205 × 209 × 84mm |
| Protection Rating | IP67 |
| Transmission Distance | ≤1200m (RS485, 2-bus, 4-20mA) |
Ideal for chemical processing plants, oil refineries, underground pipelines, gas transmission facilities, and industrial environments requiring continuous gas monitoring. Detects methane, carbon monoxide, hydrogen sulfide, and various toxic gases.
Comprehensive technical support including installation guidance, troubleshooting, and maintenance services. NIST traceable calibration and certification compliance available.
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