The Entropy cryostats with sorption units are available as M- and L-series based on pulse-tube coolers with a cooling power of 0.5W or 1.0W at 4.2K and various sample space.
We offer the cryostats with He-4 and He-7 sorption units from our partner Chase Research Cryogenics LTD.
Cryostat with He-4 Unit:
- Base temperature: < 1K
- Hold time: > 12 hours @ 1K with 100µW heat load
Cryostat with He-7 Unit:
- Base temperature: < 300mK
- Hold time: > 24 hours @ 300mK with 20/50µW heat load
Sample space at 4K:
- Ø 230 x 300mm (M-series)
- Ø 300 x 300mm (L-series)
- Or completely custom-made
The systems come fully featured up with temperature sensors, heaters, electronics and software with TCP/IP interface for remote control.
Several accessories such as DC cables, coax cables, circuit boards, fibers, optical ports and sample magnets are available on request.