• Measurement Principle: NDIR principle (Non-Dispersive Infrared)
• Accuracy: ≤±2%F.S
• Resolution: 0.01%
• Repeatability: ≤±1%F.S
• Stability: ±1%F.S/7 days
• Response Time: T90≤15 seconds
• Storage Interval: Settable in seconds
• Number of Storage Points: 65,536
• Explosion-proof Grade: ExdIICT6 / ExtDA21 IP65 T80℃
• Instrument Lifespan: 6 years (under proper operating conditions)
• Operating Voltage: 220VAC, 2A/24VDC, 1A
• Total Power Consumption: ≤25W
• Contact Output: Dual relay output
• Contact Capacity: 220VAC, 2A/24VDC, 1A
• Digital Signal: Standard RS485/RS232 communication ports, enabling two-way communication with computers
• Mounting Method: Wall-mounted
• Dimensions: 260mm (L)×260mm (W)×206mm (H) (customizable)
• Inlet and Outlet Ports: φ6 ferrule connectors (customizable)
• Total Weight: Approximately 15 Kg
• Analog Output: Isolated 4～20mA standard output signal, load resistance less than 500 ohms (0~10V optional)
• Ambient Temperature: -25℃~+55℃
• Ambient Humidity: ≤90%RH
• Inlet Pressure: 0.05 MPa ≤ Inlet Pressure ≤ 0.25Mpa
• Sample Gas Flow Rate: 400±50ml/min
• Sample Gas Requirements: Dust-free, water-free, oil-free

• The instrument features a fully Chinese menu interface, which is easy to understand, simple, and reliable. It includes control of contact output, automatic alarm for exceeding limits (buzzer and screen display), and allows for custom alarm settings;
• Imported sensors are used, offering high accuracy and fast response;
• Automatic scheduled storage function during unattended operation, with data available for viewing at any time;
• Built-in temperature compensation to minimize the impact of sample gas temperature and environmental changes on measurement accuracy;
• Advanced gas flow stabilization system; features include high technology, accuracy, fast response, stable performance, comprehensive functionality, ease of operation, and continuous gas analysis process;

• Built-in pump (optional).

Widely used in the air industry, industrial control, industrial flue gas emission monitoring, gas detection in petrochemical processes, air quality testing, methane content detection in landfills, sewage treatment plants, and biogas projects, as well as gas detection in industrial fluid welding processes.