Measurement principle: Microfluidic thermal conductivity method;
Measurement principle/range:

Accuracy: ±1.5%FS;
Repeatability: ±1%FS;
Stability: ±1%FS/7 days;
Response time: τ90 ≤ 30S;
Preheating time: ≤ 10 min;
Sample gas flow rate: (400 ± 40) mL/min;
Sample gas pressure: 0.05 MPa ≤ inlet pressure ≤ 0.25 MPa;
Operating environment: Temperature: -15°C to +45°C;
Humidity: ≤ 90%RH;
Power supply: 220V–240VAC, 50/60Hz;
Analog output: Isolated 4–20mA standard signal, load resistance < 500 ohms (0–10V optional)
Digital output: Standard RS485/RS232, capable of two-way communication with computers;
Contact output: Dual relay outputs of 220VAC, 2A or 24VDC, 1A;
Sample gas pressure: 0.05MPa ≤ inlet pressure ≤ 0.25MPa;
Operating environment: Temperature: -15°C to +45°C;
Humidity: ≤90%RH;
Power supply: 110V–240VAC, 50/60Hz;
Dimensions: 480mm (width) × 136mm (height) × 370mm (depth);
Mounting dimensions: 440mm (width) × 136mm (height);
Weight: Approximately 4.5kg;
Service life: >12 months (under normal operating conditions);
Gas interface: Φ6 stainless steel tube (customizable according to customer requirements);
Mounting method: Embedded installation;
Key Features
- Full Chinese touch menu for easy configuration, calibration, testing of instrument parameters, and quick operations such as setting historical records and curves by time;
- Can display measurement values, historical curves, range, status, and various parameter setting interfaces simultaneously;
- Uses imported sensors with high accuracy and fast response;
- Automatic storage function at set intervals during unattended operation, with stored data available for viewing at any time;
- Built-in temperature compensation to reduce the impact of sample gas temperature and environmental changes on measurement accuracy;
- Standard 4–20mA current output and external ports such as RS-232 or RS-485 (either available);
- 64MB memory and 128MB FLASH with USB interface for convenient data storage;
- External ports such as RS-232 or RS-485 (either available);
- Ethernet port for connection to wide area networks;
- Features a new type of gas flow stabilization system; offers advantages such as advanced technology, high accuracy, fast response, stable performance, comprehensive functionality, easy operation, and continuous gas analysis process;
- Built-in suction pump (optional).
Widely used in industries such as petroleum, chemical, metallurgy, and power where hydrogen content needs to be detected.



