The FLV-80 continuous flow thermostat can achieve variable temperature and temperature control within the temperature range of 4K~450K (liquid helium) and 78K~450K (liquid nitrogen). In order to meet the needs of customers for electrical testing, the AOV-FL cryostat can be configured with a variety of electrical leads according to the needs of the experiment, such as Ph-Br wires, coaxial cables, and triple-coaxial cables, etc., and there are different types of holders for samples, such as Optical sample holders, resistive sample holders, probe sample holders, liquid sample holders and powder sample holders are available.

  The thermostat is equipped with four transparent fused silica windows as standard, transmitting wavelengths from UV to NIR, and other window materials are available to meet a wide range of spectral testing from far/mid infrared, UV to X-ray. The thermostat is equipped with a built-in heater and a high precision temperature sensor. The liquid nitrogen/liquid helium dewars are used to reduce the temperature of the sample holder by evaporating and absorbing the heat from the continuously flowing refrigerant (liquid helium or liquid nitrogen) as a cold source, which is coupled with the external temperature controller to achieve the precise temperature change and temperature control of the cryostat.

Features:
- Wide temperature range: from 4K to 450K, with depressurisation down to ~2K
- Samples are cooled by heat transfer in a vacuum.
- Large sample space with a variety of sample holders for testing a wide range of thin film, bulk, powder and liquid samples.
- Low refrigerant consumption, only 0.4L of liquid helium is required to reduce the temperature from room to 5K, and 0.1L/h of liquid nitrogen to maintain 80K.
- 4 optical windows with a 38mm field of view come as standard.
- Equipped with temperature control system
- Support standard optical sample holders, powder sample holders, liquid sample holders, resistance sample holders, probe sample holders and resistance sample holders, a variety of sample holders to choose from.
- Sample chamber with quick release clamps for easy sample changes
- Compact size for easy integration into commercial spectrometer equipment