Cryostream Compact - the open-flow nitrogen gas cooler optimised for capillary samples
Thirty years of innovation has been poured into this popular variation of the Cryostream. The Compact is optimised for use with powder samples in capillaries and features a shortened nozzle to allow the Cryostream nozzle to be mounted coaxially with the capillary, thus mitigating the risk of ice formation.
The Cryostream Compact system can achieve temperatures of 80 – 500 Kelvin and boasts a touch screen and optional web-based control and monitoring service. It also features an optional Auto Refill system, so you can monitor, control and automatically refill your Cryostream Dewar from the 1000 series GSM (Gas Supply Module). In addition, the space-saving coldhead integrates the shield gas feed, giving you more uniform integration on all commercially available X-ray equipment.
Features & Tech Specs
The Cryostream Compact comes with all the features of the Cryostream 1000 series.
- Shortened nozzle and transfer line options for integration with all XRD cabinets
- Best available temperature range of 80- 500 K as standard
- Proven stability in excess of 0.1 K
Faster cool-down and higher stability
All Cryostream systems have the same unique mode of operation, allowing the systems to offer faster cool-down, higher stability, lower LN2 consumption and superior laminar flow than other systems.
The silent pump is responsible for the gas flow from an unpressurised Dewar, through a flexible vacuum insulated transfer line, into the Cryostream coldhead. Once inside the coldhead, the liquid nitrogen passes through a heater, which evaporates most of the liquid into vapour. This vapour then flows outward along one path of the heat exchanger, through the temperature controller, to arrive at the inlet of the pump at approximately 10 K below room temperature.
The flow rate of the gas from the pump is regulated by a variable flow controller. This gas flows back into the Cryostream coldhead where it is re-cooled along the second path of the heat exchanger. The gas temperature is then regulated by a heater and sensor before entering the nozzle of the Cryostream. The gas then flows along the isothermal nozzle and out over the sample. The temperature indicated on the Controller is a mapped temperature for the crystal position.
The default Cryostream gas flow rate is 5 L /minute, which equates to roughly 0.6 L of liquid nitrogen per hour. This
means that a 60 litre Dewar will last for up to 4 days so can easily be run over a weekend without refilling.
Turbo mode gives an increased flow rate of 10 litres/minute if required.
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Innovative coolers for the global scientific community
Whether cooling samples in capillaries in transmission geometry or flat-plate powder samples in reflection geometry, we have a solution to meet your needs. Our range of coolers now includes systems specifically designed for powder diffraction.
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