What is DVS Resolution? 

The DVS Resolution is a gravimetric sorption analyzer specifically built for the precise analysis of moisture and organic vapor sorption properties in solid materials.

Across a wide range of industrial applications, solid materials undergo structural and performance changes through interactions with water vapor or organic vapors. 

The DVS Resolution is designed to evaluate the sorption and desorption behavior of solid materials in real time under diverse vapor environments, including moisture and organic solvents.

With precise control over temperature and relative humidity, the DVS Resolution enables measurements that replicate real-world conditions across a broad range of organic vapor and water vapor compositions. 

Its flexible configuration options — supporting diverse experimental conditions and accessories — allow for quantitative analysis of hygroscopicity, stability, and structural changes in a wide range of materials, including pharmaceuticals, polymers, food, and building materials.

DVS Resolution Benefits 

• The only system capable of directly measuring organic vapor partial pressure using an ultrasonic sensor
• Open stainless-steel stand design enabling easy access to the sample pan while minimizing static electricity generation
• Wide temperature range of 5–85 °C within a uniform and precise single-zone temperature enclosure
• Next-generation control and analysis software for advanced experimental design and data evaluation
• Upgradeable with up to five balances
• Optional IR, Raman, and video imaging options, all integrated with the unified control software

Applications 

Pharmaceuticals — Solid dosage form stability, hygroscopicity, and glass transition temperature analysis of APIs Battery Materials — Electrolyte vapor sorption analysis and cell stability evaluation Food / Cosmetics — Shelf-life preservation, sorption stability, and water activity measurement Polymers — Solvent swelling, moisture permeability, and polymer structure analysis Construction / Wood — Drying and absorption behavior, and long-term durability prediction 

Key Features 

• Individual and Simultaneous Sorption/Desorption Analysis of Moisture and Organic Solvents — Replicates real-world environmental conditions to evaluate the sorption and desorption characteristics of water vapor and organic vapors across a range of concentrations
• Wide-Range Temperature and Humidity Control — Temperature range of 5 °C to 85 °C and relative humidity range of 0% to 98%, enabling experiments under diverse conditions
• Precise Mass Measurement — The patented UltraBalance system detects minute sample mass changes in real time, enabling accurate analysis of sorption characteristics
• Competitive Sorption Analysis — Analyzes competitive sorption phenomena between moisture and organic solvents, enabling evaluation of sorbent selectivity and efficiency

01

Long-Term Temperature Stability 

By using multiple temperature-controlled zones to prevent condensation issues and by matching vapor generation temperature with delivery temperature, the DVS Resolution delivers outstanding long-term stability in both temperature and humidity control. Typical stability at 25 °C is maintained within ±0.2 °C. 

02

Humidity Performance 

The DVS Resolution offers the highest humidity precision of any instrument produced by SMS. 

03

24-Hour Long-Term Gas Flow Stability 

Powered by the UltraBalance — Surface Measurement Systems' core technology renowned for its unmatched precision — the DVS Resolution can measure mass changes with 0.1 µg resolution, and peak-to-peak noise is below 0.3 µg. 

04

TrueO™-RH  

Surface Measurement Systems has designed the only DVS instrument capable of offering True0 RH, reducing water partial pressure to 0.0% RH. This enables the study of hydrates and other compounds that only fully dehydrate below 1% RH.