Model-204 Variable Temperature Optical Closed Cycle Refrigerator System
System Features:
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<6.5 K to 325 K opera ng temperature range
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Sumitomo model: CH-204-N coldhead
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Coldhead cooling power:
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2nd Stage: 2.5W @ 10 K (50Hz)
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2nd Stage: 3.0W @ 10 K (60Hz)
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Water cooled compressor Model: HC4E-1 (200V, 50Hz- 208/230V, 60Hz)
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10 feet interconnec ng hoses and control cable
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(4) 1.62” diameter op cal quartz windows
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Demountable op cal rst-stage radia on shield
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Demountable op cal outer vacuum shroud
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1.50 inch diameter copper sample mount
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50 ohm high power heater installed on coldhead
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(1) 10-pin electrical feedtrhoughs with mate
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(3) spare blank feedthroughs
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Reliable Bellows style evacua on valve
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Vacuum shroud safety pressure relief
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Copper op cal sample holder
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Silicon diode temperature sensor installed on refrigerator cold nger
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Matching silicon diode temperature sensor installed on sample holder
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Startup toolkit with opera onal manuals
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One year warranty