• Full-featured software and easy to operate.
• Real-time display  measurement.
• Designed exquisitely and easy to operate.
• High speed measurement and high-efficiency.

• High-precision sensor and flow.
• High sensitivity of thermal conductivity detectors (TCD), auto returning to zero.
• Intelligent software system, automatic data processing with recognition- diagnosis-revised function.
• Real-time display measurement.

RB series are mainly used for determining specific surface area with the adsorption isotherm measurement.

• Special vacuum and gas circuit design, with the unique inner fine-tuning valve.
• Reliable non-leakage, non-contamination vacuum system
• Using high stable and sensitive pressure sensor (0.25%).
• The software has complete functions. The whole experiment can be real time displayed and results can be obtained simultaneously.

BK series have all functions of specific surface area and pore size analysis;
- - In a closed vacuum system, changing nitrogen pressure of the sample surface, at liquid nitrogen temperature, isothermal absorption / desorption curve is measured with high precision pressure transducers and nitrogen state equations, and then the specific surface area and pore size distribution are calculated.
- - Static volumetric method is the International Standard Method
- - More pressure points can be obtained, and it is greatly increased the accuracy and reliability of the measurement;
- - The complete absorption and desorption isotherm, and the hysteresis loop, are conducive to a comprehensive analysis of pore size distribution and structural pore;