YA-D400 Fixed Gas Detector with 0-100 ppm Range, 24V Power Supply for Industrial Safety Monitoring

The YA-D400 series point-type gas detectors provide reliable monitoring for hazardous locations including chemical facilities, petroleum refineries, steel mills, liquefied gas stations, and industrial workshops. Designed for both indoor and outdoor use, these detectors ensure safety in environments where combustible and toxic gases are produced, stored, or utilized.

• Real-time gas concentration display with backlit screen
• Visual alarm indication with red backlight activation
• High-performance ARM microprocessor for reliable operation

• Multi-level alarm system: fault, low, and high reporting
• Audible and visual alarm outputs
• Three relay outputs (250V 5A) for automatic fan and valve control
• 40-alarm record storage capacity

• DC4-20mA standard signal output
• Multiple communication modes: RS485, two buses, LoRa
• Infrared remote control for convenient operation
• Zero, calibrate, and test functions for maintenance
• Toxic gas conversion between mg/m³ and μmol/mol

The YA-D400 Toxic Gas Detector is engineered for demanding industrial environments including chemical plants, oil refineries, wastewater treatment facilities, and ice plants. It reliably detects various toxic gases such as H2S, carbon monoxide, and oxygen deficiency, ensuring worker safety and operational efficiency.

Designed for seamless integration with YA-K series gas alarm controllers, the YA-D400 establishes a comprehensive industrial gas monitoring system. Flexible mounting options support wall, tube, scaffold, and ceiling installations.

Comprehensive technical support includes installation assistance, calibration services, troubleshooting, and maintenance programs. Training resources ensure proper usage and safety protocol adherence.