A 4 K helium-flow, top-loading cryostat with sample in static exchange gas.

• 3.4 - 300 K temperature range

• Quick sample change via top-loading sample probe

• Superb optical access

• Temperature range: 3.4 - 300 K. May be extended up to 500 K with the high-temperature window option and extended down to 2.2 K when used with a rotary pump (not supplied as standard)
• Cooling to 4.2 K in about 25 minutes
• Short sample change time via a top-loading sample probe - as quick as 5 minutes
• Low liquid helium consumption: <0.55 L/h when used with a low-loss transfer siphon
• Configured for reflectance and transmission measurements
• Superb optical access for measurements requiring light collection
• Large illumination area: 15 mm diameter window aperture
• Compact size allowing easy integration into commercial spectrometers
• Measurement-ready, via 10-pin electrical wiring to the sample

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