DVS Endeavour - 5X Parallel Gravimetric Sorption Analyzer

DVS Endeavour has the ability to precisely control and measure temperature and relative humidity while simultaneously recording the highest resolution changes in mass on up to 5 samples.

Key Measurement Capabilities

Simultaneously 5x sample measurement

Organic and Water vapor sorption kinetics

Organic vapor sorption in a fixed RH background

Real time partial pressure measurement and control

Water vapor sorption isotherms from 5 to 85 °C

Organic vapor sorption isotherms from 5 to 50 °C

In-situ drying of samples to 300 °C

Optional Color Video Microscopy/Fiber Optic Probe Spectroscopy

True™ drying at 0.0%RH

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Instrument Specs

Temperature

Temperature controlled enclosureControl range: 5 °C to 85 °CRegulation accuracy: ±0.01 °CEnclosure provides anti-condensation protection.

High-temperature pre-heater for sample drying/activation

Two temperature options: 150 °C and 300 °C (maximum local temperature)Heating ramp rates: up to 10 °C/minSensors: Pt-100 thermocouple

Endeavour stand

Manifold: 316 stainless steelSeals: VitonTubing: 1/4-inch stainless steel

Water Reservoir

Material: glass0.5 and 1 L as standard

Relative humidity mass flow controllers and capacitance probe

High accurate digital mass flow controllers and capacitance probe

Relative humidity generation and measurement

High accuracy digital mass flow controllers for vapor and gas delivery

Relative Humidity Sensor

Relative humidity range from 0 to 98%

RH range accuracy from 5 – 60 °C ±1%

RH range accuracy from 60 – 85 °C ±2%

UltraSonic Sensor

Partial Pressure range from 0 to 90%

Partial Pressure accuracy from 5 – 25 °C ±2%

Partial Pressure accuracy from 25 – 85 °C ±1%

System Software

Next generation purpose built control and evaluation software for the most advanced experimental design and data analysis.

Analysis

Isotherms

Permeability and diffusion

Kinetics information

Heat of sorption

T_g determinations

Amorphous content

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.

Mass measurement

Ultrabalance 1

Low Mass SMS microbalance

Sample mass: between 1 and 1000 mg

Mass change: ±150 mg

Resolution (precision): 0.1 μg

Root mean square

Balance noise: ≤ 0.3 μg

Ultrabalance 2

High Mass SMS microbalance

Sample mass: between 10 and 5000 mg

Mass change: ±1000 mg

Resolution (precision): 1 μg

Root mean square

Balance noise: ≤ 3 μg