Ultra Low Temperature Liquid Helium Cooling Holder
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The ULTDT Double Tilt Ultra Low Temperature Liquid Helium Cooling Holder is used in applications to observe low temperature in-situ phase transitions and to reduce contamination due to carbon migration. It can also be used to reduce unwanted thermal effects in various analytical techniques and to facilitate EDX and EELS analyses by reducing contamination and mass loss.
主要特点：
Key Features
Specialized helium dewar
'Vapor shielded' design requires liquid helium only and provides 1.5 hours of stable operation at base temperature with longer hold times at intermediate temperatures
Motorized tilt
Motorized beta tilt axis with digital readout
Temperature operating range
5 to 20 Kelvin
Specimen securing mechanism
Clamping ring screws into the specimen cradle to maintain excellent thermal contact between the specimen holder and the specimen grid
Optional beryllium specimen insert and Hexring®
For EDX analysis
System package
Includes temperature controller, digital rotation controller, helium transfer tube, flow pump and controller, protective sleeve with pump-out fitting, pump-out tool, holder loading stand, clamping rings and clamping ring tools
Tilt ranges and compatibility of specimen holders vary according to the TEM manufacturer, model, pole piece gap, and the presence of in-gap accessories. Please contact your local Gatan representative for more information.
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