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GMX-20B Specifications

Cooling Technology-
  DE-210 Closed Cycle Cryocooler
  Refrigeration Type Pneumatically Driven Gifford-McMahon Cycle
  Liquid Cryogen Usage None, Cryogen Free
 
Temperature*-
  DE-210AF < 9 K - 350 K
DMX-20 interface adds <1K to base temperature
  DE-210SFg < 2.8 K - 350 K
DMX-20 interface adds <1K to base temperature
  With 800 K Interface (Base Temp + 2 K) - 800 K
  With 450 K Interface (Base Temp + 2 K) - 450 K
  Stability 0.1 K
  *Based on bare cold head with a closed radiation shield, and no additional sources of experimental or parasitic heat load.
 
Sample space-
  Diameter Large
Open radiation shield
  Height Large
Open radiation shield
  Sample Holder Attachment 1/4-28 screw
  Sample Holder View our Sample Holder Collection
Instrumentation Access-
  Heater 1 - 50 ohm Thermofoil Heater Anchored on Cold Tip
  Control Sensor 1 - Curve Matched Silicon Diode
  Sample Sensor 1 - Calibrated Silicon Diode
  Custom Instrumentation Contact ARS for available Options
Instrumentation Access-
  Instrumentation Skirt Welded Stainless steel
  Pump out Port 1 - NW-25
  Instrumentation Ports 2 - mini CF 1.33in
  Instrumentation Wiring Contact our sales staff for wiring options
 
Radiation Shield-
  Material OFHC Copper
  Attachment Threaded
  Optical Access Open end
Radiation shield terminates 0.125" short of cold tip (customer specified)
 
Cryostat Footprint-
  Overall Length 613 mm (24.1 in)
368.8 mm (14.52 in) standard flange to tip length
 
Chamber Interface-
  Flanges CF, ISO
  Size 8", 10", 12"
 
DMX-20 Sample Vibrations-
  Independent Mounting <10 nm
  Direct Soft Mount <140 nm

DE-210 Cryostat Specifications

Cryocooler Model   DE-210AF DE-210SFg;
  Frequency 60 Hz 50 Hz 60 Hz 50 Hz
Base Temperature   <9K <9K <2.8K <2.8K
Cooling Capacity 4.2K - - 1.1W 1.1W
  10K 4W 4W 9W 9W
  20K 17W 17W 16W 16W
  77K 25W 25W 25W 25W
Radiation Shield Cooling Capacity   60W 60W 60W 60W
Cooldown Time 20K 35 min 35 min 40 min 40 min
  Base 70 min 70 min 80 min 80 min
Compressor Model   ARS-10HW ARS-10HW
Typical Maintenance Cycle   12,000 hours   12,000 hours

ARS-10HW Compressor Specifications


Compressor Model ARS-10HW
  Frequency 60 Hz, 3 Phase 50 Hz, 3 Phase
Standard Voltage Min 208 V 190 V
  Max 230 V 210 V
High Voltage Min 440 V 380 V
  Max 480 V 415 V
Power Usage Three Phase 7.7 kW 7.7 kW
Refrigerant Gas 99.999% helium gas,
pre-charged
Ambient Temperature 5-40 C (40-104 F)
Cooling Water Consumption 5.7 L / min (1.5 Gal. / min)
  Temperature < 20 C (68 F)
  Connection 1/2 in. Swagelok fitting
Dimensions L 483 mm (19 in.)
  W 533 mm (21 in.)
  H 617 mm (24.3 in.)
Weight Compressor 105 kg (230 lbs)
Typical Maintenance Cycle 30,000 hours