Sumitomo's two-stage pulse tube chillers are widely used in cryostats and superconducting magnet systems.
Technical Parameters SRP-062B SRP-082B SRP-182B2S
Cooling power of two-stage cold head 0.5W@4.2K 1W@4.2K 1.5W@4.2K
Cooling power of the first-stage cold head 30W@65K 40W@45K 36W@48K
Minimum temperature<3K <3K <2.8K
Cooling time (to 4.2K) 100 minutes 80 minutes 60 minutes
Cold head weight 23.2kg 26kg 28kg
Helium compressor model F50 F70 F100
Compressor power 6.5-7.2kw 6.6-6.9kw 11.8-13.7kw