Yaoan (Shenzhen) Electronic Technology Development Co., Ltd.
                                                                                                           
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Since 2007
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YA-D400 Fixed Infrared CO2 & CH4 Gas Detector with RS485 Interface, IP67 Rating, 205×209×84mm

Price Negotiable
Price: Negotiable
MOQ: 1
Delivery Time: 2-7 working days
Brand: YAOAN
Product Description
YA-D400 Series Fixed Gas Detection System
The YA-D400 series point type gas detectors provide reliable monitoring of combustible and toxic gases in industrial, commercial, and underground environments. With IP67 protection and multiple communication interfaces, these detectors deliver continuous protection against gas hazards.
Key Product Advantages
  • Real-time gas concentration display with clear backlit screen
  • Comprehensive alarm system with fault, low, and high level alerts
  • Infrared remote control for convenient operation without opening covers
  • Multiple output options: DC4-20mA standard signal, RS485, two buses, LoRa
  • High-performance ARM microprocessor for reliable data processing
  • Three relay outputs (250V 5A) for automatic control of ventilation systems
  • 40 high/low alarm record storage capacity
  • Unit conversion capability for toxic gas measurements
Industrial Applications
The YA-D400 detector is engineered for demanding environments including chemical plants, refineries, oil and gas facilities, commercial buildings, laboratories, and underground spaces such as parking garages, tunnels, and mines.
Technical Specifications
ParameterSpecification
Power Supply24V DC
Power ConsumptionCombustible: ≤4W; Oxygen/Toxic: ≤3W
Detection RangeCombustible: 0-100% LEL; Toxic: 0-1000 μmol/mol
Accuracy±5% FS (sensor determined)
Response TimeCombustible: ≤30 seconds; Toxic: ≤60 seconds
Sensor Life36 months (depending on sensor type)
Explosion ProtectionEx d IIC T6 Gb/Ex tD A21 IP67 T80℃
Operating TemperatureCombustible: -40°C to 70°C; Toxic: -20°C to 60°C
Dimensions205 × 209 × 84 mm
Weight2 kg
Transmission Distance≤1200 m (RS485, 2-bus, 4-20mA)
Product Image
YA-D400 Fixed Gas Alarm Detector with industrial housing and display interface
Technical Support & Services
Our comprehensive support includes 24/7 technical assistance, installation guidance, calibration services, maintenance, replacement parts, and comprehensive product training.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Yaoan (Shenzhen) Electronic Technology Development Co., Ltd.
Location Room 517, 5th Floor, Building 10B, Zone 3, Shenzhen Bay Science and Technology Ecological Park, Gaoxin South Ring Road, Shenzhen High tech Industrial Park (South District), Nanshan District, Shenzhen
Contact Person Yao

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