Surface Measurement Systems – DVS Resolution
The world’s most advanced DVS Instrument, the DVS Resolution is a dual vapor gravimetric analyzer that brings unparalleled capabilities and precisions to the study of complex sorption behaviors.
The instrument has the combined ability to precisely control and measure temperature and relative humidity while recording the highest resolution changes in mass.
Technical Specifications
| Temperature (Temperature-controlled enclosure) | Temperature controlled enclosure Control range: 5 °C to 85 °C Control precision: ±0.1°C Enclosure also provides anti-condensation protection | ||
| High-temperature pre-heater for sample drying/activation | Delivers local sample temperatures of up to 200 °C Heating ramp rates: up to 5 °C / min Sensor: Pt-100 thermocouple | ||
| Mass Measurement | Ultrabalance Low Mass | Sample mass: between 1 and 1000mg Mass change: ±150mg Resolution (precision): 0.1 μg Root mean square balance noise: ≤ 0.3 μg | |
| Ultrabalance High Mass | Sample mass: between 10 and 5000mg Mass change: ±1000mg Resolution (precision): 1 μg Root mean square balance noise: ≤ 3 μg | ||
| Resolution Stand | Manifold: 316 stainless steel Seals: Viton Tubing: 1/4 inch stainless steel | ||
| Solvent Reservoirs | Material: Pyrex glass 25 and 0.5L as standard 2 Reservoirs included | ||
| Relative humidity generation, measurement, & sensor | High-accuracy digital mass flow controllers and capacitance probe | Carrier Gas – Dry air or Nitrogen Relative humidity range from 0 to 98% RH range accuracy from 5 – 60 °C ±1% RH range accuracy from 60 – 85 °C ±2% | |
| Organic vapor measurement with Speed of Sound Sensor | High-accuracy digital mass flow controllers for vapor and gas delivery | ||
| Speed of Sound Sensor for organic vapors | In-line real-time Speed-of-Sound Sensor for organic vapor Partial Pressure (P/Po) measurements and control with a typical resolution of ±0.1% P/Po | Automated zeroing of Speed of Sound sensor prior to each experiment Carrier Gas – Dry air or NitrogenPartial Pressure range from 0 to 90% Partial Pressure accuracy from 10 – 70 °C ±1% | |
| Note: SMS limits the use of organic solvents to 20°C below their boiling points. | |||
Technical Specifications
System Software
Next-generation purpose-built control and evaluation software for the most advanced experimental design and data analysis.
DVS Control
Complex protocols for multiple experimental sequences using sample pre-heating and conditioning; isotherm, isobar, and ramped humidity and organic vapor methods; single or dual vapor delivery and control; a fixed time or mass derivative steps.
| Multiple-method protocols incorporating | • Sample pre-heating • Vapor sorption • Vapor exchange • Dual vapor co-adsorption • Temperature changes in a single experiment, including • Ramp or step changes in relative humidity • Automated video image acquisition • Organic vapor sorption partial pressure • Temperature stages may be based on fixed-time or user-defined dm/dt criteria • Complex isotherm experiments • Experiments may include half, full, or multiple partial pressure or temperature cycles | |
| Analysis | • Isotherms • Permeability and diffusion • Kinetics information • Heat of sorption • Tg determinations • Amorphous content • BET | |
|---|---|---|
| 21CFR Part 11 software solution is available for all DVS software upon request. | ||
Solvents Available
| Acetone | Chloroform | Cyclohexane | Decane | Dichloromethane | Ethanol |
| Ethyl acetate | Ethyl benzene | Heptane | Hexane | Isopropanol | Methanol |
| Nonane | Octane | Toluene | Water | M-Xylene | p-Xylene |
Key Features
Key Industries
- Biopharmaceutical and Biotechnology
- Cosmetics & Personal Care
- Education & Academics
- Food & Beverage
- Medical
- Mining & Minerals
- Pharmaceutical
- Polymers, Plastics and Rubbers
Brand
Surface Measurement Systems develops and engineers innovative experimental techniques and instrumentation for physico-chemical characterization of complex solids. We are the world leaders in Dynamic Vapor Sorption (DVS) technology and Inverse Gas Chromatography instrumentation and solutions, providing professional world-class scientific and technical support for our international customers.