DE-202 Cold Head Specifications


Cryocooler Model DE-202AE DE-202A(T)E DE-202PE DE-202SE
  Frequency 60 Hz 50 Hz 60 Hz 50 Hz 60 Hz 50 Hz 60 Hz 50 Hz
Base Temperature < 9 K < 9 K < 9 K < 9 K < 5.5 K < 5.5 K < 4.2 K < 4.2 K
Cooling Capacity 4.2 K - - - - - - 0.1 W 0.08 W
  10 K 0.5 W 0.4 W 0.7 W 0.56 W 1 W 0.8 W 1.2 W 1 W
  20 K 2.5 W 2 W 3.7 W 3 W 2.3 W 1.8 W 2.3 W 1.8 W
  77 K 4 W 3.2 W 6 W 4.8 W 3.5 W 2.8 W 4 W 3.2 W
Radiation Shield Cooling Capacity 10 W 8 W 15 W 12 W 10 W 8 W 10 W 8 W
(1st Stage Cooling Capacity at 77 K)                
Maximum Cylinder Temperature 355 K 355 K 355 K 355 K
Cooldown Time 20 K 50 min 60 min 35 min 42 min 60 min 72 min 60 min 72 min
  Base Temperature 70 min 84 min 50 min 60 min 90 min 108 min 90 min 108 min
Weight Expander 7.1 kg (16 lbs) 7.1 kg (16 lbs) 7.1 kg (16 lbs) 7.1 kg (16 lbs)

ARS-4HW Compressor Specifications


Compressor Model ARS-4HW
  Frequency 60 Hz 50 Hz
Standard Voltage Min 208 V 190 V
  Max 230 V 210 V
Transformer Options 10%   220 V, 230 V
  15%   240 V
Power Usage Singe Phase 3.6 kW 3.0 kW
Refrigerant Gas 99.999% helium gas,
pre-charged
Noise Level 60 dBA
Ambient Temperature 12 - 40 C (54-104 F)
Cooling Water Consumption 1.5 L / min (0.4 Gal. / min)
  Temperature 10 - 35 C (50-95 F)
  Connection 3/8 in. Swagelok fitting
Dimensions L 483 mm (19 in)
  W 434 mm (17.1 in)
  H 516 mm (20.3 in)
Weight Compressor 72 kg (160 lbs)
Typical Maintenance Cycle 30,000 hours
Water Recirculation Option CoolPac compatible