Surface Measurement Systems – DVS Endeavour
Offering the highest throughput of our entire DVS range, the DVS Endeavour precisely controls and measures temperature and relative humidity while simultaneously recording the highest resolution changes in mass on up to 5 samples simultaneously.
Combined with a range of modular accessories, the DVS Endeavour is one of the most versatile DVS instruments on the market.
Technical Specifications
| Temperature | Temperature controlled enclosure Control range: 10ยฐC to 70oC Control precision: ยฑ 0.1oC Enclosure provides anti-condensation protection. | |
| High-temperature pre-heater for sample drying/activation | Delivers local sample temperatures of up to 200 ยฐC Heating ramp rates: up to 5 ยฐC / min Sensors: Pt-100 thermocouple | |
| Mass Measurement | Ultrabalance Low Mass | Maximum load: 1000 mg Mass change: ยฑ150 mg Resolution: 0.01 ฮผg Balance noise: โค 0.3 ฮผg |
| Ultrabalance High Mass | Maximum load: 5000 mg Mass change: ยฑ1000 mg Resolution: 0.1 ฮผg Balance noise: โค 3 ฮผg | |
| Endeavour Stand | Manifold: 316 stainless steel Seals: Viton Tubing: 1/4 inch stainless steel | |
| Water Reservoir | Material: glass 5 L as standard | |
| Organic Vapor Generation and Measurement with Speed of Sound Sensor | High-accuracy digital mass flow controllers for vapor and gas delivery | |
| Speed of Sound Sensor for organic vapors | โข Carrier Gas โ Dry air or Nitrogen โข Partial Pressure range from 0 to 90% โข Partial Pressure accuracy from 10 โ 70 ยฐC ยฑ1% โข In-line real-time Speed-of-Sound Sensor for organic vapor Partial Pressure (P/Po) measurements and control with a typical resolution of ยฑ0.1% P/Po โข Automated zeroing of Speed of Sound sensor prior to each experiment โข Note: SMS limits the use of organic solvents to 20ยฐC below their boiling points. โข Relative Humidity Sensor, Generation, & Measurement | |
| Sensor | โข Capacitance probe โข Carrier Gas โ Dry air or Nitrogen โข Water vapor generation range and accuracy: 0% to 98% (ยฑ0.5%) RH for 10ยฐC to 45ยฐC 0% to 85% (ยฑ1%) RH for 45ยฐC to 70ยฐC โข 11-ฯ confidence level with %RH or P/Po calibration performance based on SMS factory certified methods (Salts Calibrations or equivalent method) โข In-line real-time Humidity Probe for Relative Humidity measurements and control with a resolution of 0.1% RH | |
| System Software | Next-generation purpose-built control and evaluation software for the most advanced experimental design and data analysis. | |
| Generation & Measurement | High-accuracy digital mass flow controllers and capacitance probe |
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; fixed time or mass derivative steps.
| Multiple-method protocols incorporating | โข Sample pre-heating โข Vapor sorption โข Vapor exchange โข Dual vapor co-adsorption โข Temperature changes in a single experiment, including Ramp or step changes in relative humidity โข Automated video image acquisition โข Organic vapor sorption partial pressure โข Temperature stages may be based on fixed-time or user-defined dm/dt criteria โข Complex isotherm experiments โข Experiments may include half, full or multiple partial pressure or temperature cycles | |
| Analysis | โข Isotherms โข Permeability and diffusion โข Kinetics information โข Heat of sorption โข Tg determinations โข Amorphous content โข 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…
