Diacell® iGM Controller
Intelligent pneumatic pressure controller and indicator for gas membrane DACs
- The Diacell® iGM Controller employs fully digital control technology to provide stability and high slew rate when varying the gas pressure in the gas membrane of DACs
- It enables the selecting gas pressure targets, min and max pressure limits, specific pressure variation slew rates as well as more complex pressure profiles
- The Diacell® iGM Controller is particularly suited to experiments where the gas pressure needs to be controlled actively over long periods of time or where accuracy and reproductibility are critical
- The unit comes with RS232, IEEE, Ethernet, USB ports and front panel digital touch screen as standard
- Option: low temperature gas membrane cells in addition require the GM Controler Relief Valve Option for safe operation
- High Pressure Manager (HPM) software is also an option which allows the user to control the iGM via a computer interface
Description
The Diacell® iGM Controller employs a fully digital control technology to provide stability and high slew rate when varying the gas pressure in the gas membrane of diamond anvil cells.
It enables the selecting of gas pressure targets, minimum and maximum pressure limits, specific pressure variation slew rates as well as more complex pressure profiles.
The Diacell® iGM Controller is a truly automated gas membrane controller which is particularly suited to experiments where the gas pressure needs to be controlled actively over long periods of time, such as in synchrotron beamlines, for example.
The unit comes with RS232, IEEE, Ethernet and USB ports as standard. The front panel digital touch screen is high resolution VGA.
The system can be controlled remotely with our advanced control and acquisition software the Optiprexx High Pressure Manager. HPM is a standalone Labview program running as excecutable (.exe) and does not require a Laview Licence. Note that HPM is an additional option when the iGM is supplied on its own.
Low temperature gas membrane cells in addition require the GM Controller Relief Valve Option [A75011] for safe operation.
Almax easyLab makes extensive use of gas membranes to drive cell pistons in our Diacell® range of DACs. These can be ordered at www.diamondANVILS.com.
A gas membrane is rather like a motor tyre with one very thin wall. When pressurised internally, this wall bulges.
Advantages of this type of drive include the ability to apply very small incremental loads, remote operation, and the achievement of higher pressures due to absence of friction associated with bolts. Almax easyLab are able to supply both additional gas membrane drives and control boxes.
Specifications
| Pressure Range | 0-70, 0-100, 0-150, 0-210 bar |
| Over Range | 10 % above full scale |
| Pressure Media | Inert Gas, He or Ar are highly recommended |
| Accuracy; Precision | Up to 0.02% Rdg ; + 0.02% FS |
| Accuracy; Stability | Control up to 0.005% FS |
| Weight | 10 Kg |
| Dimensions | 440 mm x 88 mm x 320 mm |
| Connectivity | RS232, IEEE, Ethernet and USB as standard |
Almax easyLab is committed to its policy of continuous improvement. Specifications may change without notice. easyLab and Diacell are registered trademarks of Almax easyLab.
Documents
We have compiled a series of technical documents (brochures, articles, technical drawings, …) which you might find useful to help you understand this product better.
Technical documentation
Spares, Accessories and Options
Our products are tested before leaving our factory on their way to your laboratory.
They also come supplied with the required basic tooling, including gasket blanks, to use them. All is contained in the transportation casing to move around laboratories easily.
Below you can find some of the accessories and spares you might also consider. If you cannot find what you need, please do not hesitate to contact our team.
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GM Controller, Output Valve Assembly Assembly of capillary tubing, quick-connect coupling and plug valve used to connect the GM Controller Unit to the gas membrane of the diamond anvil cell Product code: [A75009] |
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GM Controller, Flowline Assembly High pressure hose used to connect the gas supply (commercial gas cylinders) to the GM Controller Unit. Gas high-pressure regulator not supplied Product code: [A75008] |
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GM Controller, Low T Relief Valve Option Assembly of a relief valve, capillary tubing and quick connect coupling to connect to the gas supply coming from the GM controller and to the capillary from the gas membrane of a low temperature DAC Product code: [A75011] |
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