OptistatCF-V - Optical Cryostat -  4 K Helium-Flow,  sample-in-vacuum cryostat system. 

- Temperature range: 3.2 to 500 K, may be extended down to 2.2 K
- Temperature stability: ± 0.1 K
- System may also be run with liquid nitrogen, temperature range: 77 to 500 K
- Liquid helium consumption rate at 4.2 K: < 0.45 l/hr
- Cool down consumption: 1.3 litre (nominal)
- Room Temperature to base temperature: approx. 10 min with pre-cooled transfer siphon
- Sample change time: approx. 60 min (sample can be changed with the cryostat cold)
- Weight: 2 kg