STA MSB PT 1
Magnetic Suspension Balance – Ultra High Vacuum up to 150 bar
Description
On point
With the magnetic suspension balance LINSEIS MSB PT 1, gravimetric measurements in a wide temperature and pressure range and under aggressive media can be done. Such a magnetic suspension balance consist of a balance for recording the measurement values, a suspension coupling which carries the weight of the sample, a sensor for the position measurement of the levitation part and a control unit to control the suspension coupling.
The contact-less transmission of the sample weight is realized with a levitation magnet and a holding magnet. The levitation magnet consists of a permanent magnet and the holding magnet consists of an electromagnet hanging on the balance. The position sensor delivers the actual position of the levitation magnet and the PID controller makes a stable levitation position with the electromagnetic force as the actuating variable.
Through the magnetic coupling a micro balance can be set up at environmental condition. Therefore the balance is protected from high temperatures, pressure and aggressive media.
Density
With the Archimedes´ principle the density can also be analyzed with the magnetic suspension balance. A mass with known volume will be weighed. With the buoyancy of the sample the density will be calculated. With a compact construction of the magnetic suspension balance the density can be analysed in a large temperature and pressure range.
With the magnetic suspension balance dimensions like
- sorption,
- diffusion,
- surface tension,
- and density can be measured easily.
Furthermore chemical reactions e.g.
- corrosion,
- decomposition,
- and combustion will be recorded
- and production processes can be simulated (coating, polymerisation, dehydration, etc.).
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Specifications
Model | Metal Version* |
---|---|
Temperature range: | -196 up to 2400°C |
Price range: | $$$ |
Pressure range: | UHV – Ultra High Vacuum to 150 bar |
Probengewicht: | 10 g (standard balance) |
Resolution: | 1 ug |
Evolved Gas Analysis: | MS/FTIR possible |
Options: | Special custom versions can be realized |
*Special custom versions can be realized
Metal version
The metal version can be used for a wide application area. Measurements from ultra high vacuum up to 150 bar and a temperature range from -196 to 2400 °C are possible. Furthermore corrosive and toxic media are insertable. This will be possible with special coatings of the metal measurement cell.
Model | Glass Version* |
---|---|
Temperature range: | up to 900°C |
Price range: | $$$ |
Pressure range: | Vacuum to 1.3 bar |
Sample weight: | 10 g (standard balance) |
Resolution: | 1 ug |
Evolved Gas Analysis: | MS/FTIR possible |
Options: | Special custom versions can be realized |
*Special custom versions can be realized
Glass version
For the measurements with highly corrosive media, the glass version will be used. Sensitive parts in the measurement cell – for example the levitation magnet and the iron core for the position sensor – are fused-in glass. The functions of the magnetic coupling and of the automatic decoupling correlate with the metal version. The possible temperature is up to 900°C and the pressure range is up to 1.3 bar.
Software
All LINSEIS thermo analytical instruments are PC controlled. The individual software modules exclusively run under Microsoft® Windows® operating systems. The complete software consists of 3 modules: temperature control, data acquisition and data evaluation. The 32 bit software incorporates all essential features for measurement preparation, execution, and evaluation of a STA measurement. Thanks to our specialists and application experts, LINSEIS was able to develop comprehensive easy to understand user friendly application software.
General Features
- Program capable of text editing
- Data security in case of power failure
- Thermocouple break protection
- Repetition measurements with minimum parameter input
- Evaluation of current measurement
- Curve comparison up to 32 curves
- Storage and export of evaluations
- Export and import of data ASCII
- Data export to MS Excel
- Multi-methods analysis (DSC TG, TMA, DIL, etc.)
- Zoom function
- 1 and 2 derivation
- Programmable gas control
- Statistical evaluation package
- Free scaling
Applications
- production of plastic
- exhaust gas cleaning
- foodstuff manufacturing
- supercritical fluid extraction
- gasification of coal
- soil detoxification
- purification and storage of natural gas and hyrdogen
- analysis of membrane of fuel cells
- waste incineration
- research about process technology and chemical technology