Yaoan (Shenzhen) Electronic Technology Development Co., Ltd.
                                                                                                           
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YA-D400C Explosion Proof Gas Detector 4-20mA Output with ATEX CE Certification for LPG LNG Detection

Price Negotiable
Price: Negotiable
MOQ: 1
Delivery Time: 2-7 working days
Brand: YAOAN
Product Description
Industrial Gas Detection Solution

The YA-D400 series point type gas detectors provide reliable protection against toxic and combustible gas leaks in hazardous industrial environments. Designed for chemical plants, petroleum refineries, gas stations, and transmission facilities, this explosion-proof detector ensures worker safety through advanced monitoring capabilities.

Key Features
  • Real-time gas concentration display with clear backlit screen
  • Comprehensive alarm system with fault, low, and high alerts
  • Infrared remote control operation for convenient setup
  • Multiple communication options: RS485, two buses, LoRa
  • DC 4-20mA standard signal output for system integration
  • Three relay outputs (250V 5A) for automatic equipment control
  • 40-event alarm history storage for incident tracking
  • High-performance ARM microprocessor for reliable operation
Technical Specifications
Parameter Specification
Model Number YA-D400C
Power Supply 24V DC
Power Consumption Combustible: ≤4W; Toxic: ≤3W
Operating Temperature Combustible: -40°C to 70°C; Toxic: -20°C to 60°C
Response Time Combustible: ≤30 seconds; Toxic: ≤60 seconds
Minimum Reading Combustible: 1% LEL; Toxic: 0.1μmol/mol
Dimensions 205 × 209 × 84 mm
Weight 2 kg
Sensor Type Combustible: Catalytic Combustion; Toxic: Electrochemical
Certifications ATEX, CE, FCC, ROHS, SIL
YA-D400 industrial gas detector unit showing professional design and display interface
Industrial Applications

This fixed gas detector is engineered for demanding environments including power plants, chemical factories, petroleum facilities, and industrial complexes. With transmission distance up to 1200 meters and multiple installation options (wall-mounted, tube type, scaffolding type, ceiling type), the system adapts to various monitoring requirements.

Frequently Asked Questions
What type of gases can the YA-D400 detect?
The detector identifies combustible gases including methane, propane, butane, natural gas, LPG, LNG, CH4, CO2, C2H2, and CH3OH.
What is the detection range for combustible gases?
Detection range is 0-100% LEL (Lower Explosive Limit) with high sensitivity.
Is this device suitable for hazardous environments?
Yes, the YA-D400 is explosion-proof and certified for hazardous locations with ATEX and CE approvals.
What communication protocols are supported?
The detector supports RS485, two-bus, LoRa wireless, and standard 4-20mA output.
Support & Services

Comprehensive technical support, calibration services, and maintenance programs ensure optimal detector performance. Training sessions cover proper operation, interpretation of readings, and component replacement procedures.

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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