Advanced Research Systems DE-204 Flat Flange Closed Cycle Cryostat

DE-204 Flat Flange

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Description

The CS-204FF is a versatile closed cycle cooler with an o-ring sealing surface for easy integration. The system typically includes a compressor, hoses, DE-204FF expander, temperature controller and sensor and heater instrumentation. The DE-204NFF and DE-204SFF have internal modifications to the two stage Gifford-McMahon refrigerator, resulting in lower bottom out temperature.
Features Include:

10 K to 350 K operation
or 6.5 K to 350 K or 4.2 K to 350 K
(Options 450K and 800K)
High Capacity: 9W at 20 K at 60Hz (7.5 W at 50Hz)
Fast Cool Down: 35 minutes to 20 K at 60Hz (40 min. to 20 K at 50Hz)
Simple pneumatic drive has only two moving parts allowing easy field maintenance

Type

DE204FF

DE204NFF

DE204SFF

Temperature Range:

10 to 350 Kelvin

6.5 to 350 Kelvin

4.2 to 350 Kelvin

Refrigeration Capacity (without attachments)

Temp K	W @ 60 Hz	W @ 50 Hz
20	9	7.5

Temp K	W @ 60 Hz	W @ 50 Hz
8	1	0.8
10	3	2.5
20	9	7.5

Temp K	W @ 60 Hz	W @ 50 Hz
4.2	0.1	0.08
20	9	7.5

Cooldown Time to 20 Kelvin:

60 Hz - 35 minutes;
50 Hz - 40 minutes

Temperature Sensors

Silicon diodes, iron doped gold/chromel TCs or other on request

Lines

3 m ( 10ft ) flexible stainless steel lines standard
( 15 or 20 ft optional )

Power Requirements:

208/230 V, 50/60 Hz, 3.8 kW typical
Other voltages available upon request.

Weights:

System - 103 Kg (226 lb.)
Compressor - 91 Kg (200 lb.)
Expander - 8 Kg (17 lb.)