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 | |
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| 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
Surface Measurement Systems develops and engineers innovative experimental techniques and instrumentation for physico-chemical characterization of complex solids. We are the…
