Weight method steam adsorption instrument performance parameters - Database & Sql Blog Articles

<0.0000pt margin-right:0.0000pt margin-bottom:0.0000pt text-autospace:ideograph-numeric text-align:justify text-justify:inter-ideograph> The weight method steam adsorption instrument is designed with advanced technology to ensure high precision and reliability in vapor adsorption analysis. It offers a range of performance parameters that set it apart from other similar instruments on the market. Key features include: - **Sensitivity / Sample Size**: The instrument achieves a sensitivity of 1 µg/10g, which is 5–10 times better than similar products, significantly improving measurement accuracy. - **Simultaneous Analysis**: Supports sample sizes of 2, 4, or 8 units, enabling multi-station simultaneous testing and greatly increasing efficiency. - **Test Gas Types**: Compatible with water vapor, organic vapors, and various gases (customization required for strong acid gases). - **Blank Position Synchronization**: Supports background subtraction and buoyancy correction during blank tests, reducing system errors and enhancing test accuracy. - **Vacuum Degassing Temperature Control**: Features multi-stage temperature programming to prevent overheating, protecting samples and preventing sample loss. - **Temperature Range**: Vacuum degassing can be performed from room temperature up to 400°C, while the full system maintains a constant temperature between 20°C and 60°C. - **Analysis Test Temperature**: Operates from -180°C to 50°C, suitable for a wide range of experimental conditions. - **Pressure Measurement**: Equipped with an imported capacitive film pressure sensor, offering dual-pressure sensing capabilities. Segmented pressure ranges (0–10 Torr and 0–1000 Torr) ensure high accuracy (≤0.15% error), making it one of the most precise sensors available. - **Vacuum Degree**: Achieves a vacuum level below 0.001 Torr, with optional molecular pump support for ultra-high vacuum (up to 10⁻⁶ Torr). - **Buoyancy Correction**: Offers two modes—buoyancy calculation and background subtraction curve mode—for accurate mass measurements. - **Steam Concentration Control**: Covers a wide range from 0.01% to 98% P/P₀, using a "static evaporation" method that outperforms traditional carrier gas mixing techniques. - **Humidity / Partial Pressure Accuracy**: Provides accuracy better than 0.001 Torr, far exceeding standard hygrometers. - **Real-Time Saturated Vapor Pressure Testing**: Ensures high relative pressure accuracy by directly measuring saturated vapor pressure (P₀), avoiding inaccuracies from indirect methods. - **Cold Trap System**: Includes a liquid nitrogen-cooled trap to prevent steam from contaminating the vacuum pump, ensuring long-term system stability and extending pump life. - **Static Adsorption Process**: Utilizes a vacuum static steam adsorption process without carrier gas, minimizing interference and improving measurement accuracy. - **Distillation Purification System**: Features an automatic distillation system that ensures high-purity steam sources, reducing reagent purity requirements and improving test accuracy. - **Full Temperature Control**: Maintains a constant temperature throughout the entire gas path, eliminating cold spots and improving thermal stability. - **Intelligent Calibration**: Includes automatic microbalance calibration before each test, eliminating manual calibration and ensuring consistent results. - **Pneumatic System**: Uses a modular design with 316L stainless steel valves, achieving an air leakage rate below 10⁻⁸ Torr·m³/s, significantly improving sealing performance and system stability. - **Oil and Corrosion Resistance**: All components are sealed with oil-resistant and corrosion-resistant materials, making the system ideal for analyzing water vapor, organic vapors, and petroleum products. - **Large Diameter Pipelines**: Designed for high vacuum applications, maximizing the ultimate vacuum level of the system. - **Quartz Wire Sealing**: Uses advanced quartz wire insulation technology for low leakage, long-term stability, and resistance to aging. - **Intelligent Self-Test**: Automatically checks system airtightness and provides real-time feedback. - **Automatic Email Notifications**: Sends test completion or failure alerts via email to the operator’s mobile device, even when away from the lab. - **User Interface**: Features a clear graphical control interface with full software control over all hardware functions. - **Detailed Logs**: Records detailed operation logs, accurate to the second, ensuring reliable post-sale support and traceability. - **Voice Prompts**: Provides live voice guidance for each test step, supporting customizable multi-language modules. - **Global Components**: Uses key components sourced globally, ensuring top-tier quality and performance. - **Dimensions & Weight**: H110cm × W100cm × L70cm, weighing 200kg. This instrument is ideal for researchers and engineers working in adsorption science, material characterization, and environmental analysis. Its advanced features make it a powerful tool for achieving precise and reliable results in steam adsorption studies.

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